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class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pagine per utenti anonimi <a href="/wiki/Aiuto:Benvenuto" aria-label="Ulteriori informazioni sulla contribuzione"><span>ulteriori informazioni</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Speciale:MieiContributi" title="Un elenco delle modifiche fatte da questo indirizzo IP [y]" accesskey="y"><span>contributi</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Speciale:MieDiscussioni" title="Discussioni sulle modifiche fatte da questo indirizzo IP [n]" accesskey="n"><span>discussioni</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Sito"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Indice" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Indice</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button 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cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Attiva/disattiva la sottosezione Descrizione</span> </button> <ul id="toc-Descrizione-sublist" class="vector-toc-list"> <li id="toc-Caratteri_principali" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Caratteri_principali"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Caratteri principali</span> </div> </a> <ul id="toc-Caratteri_principali-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Funzionamento" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Funzionamento"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Funzionamento</span> </div> </a> <ul id="toc-Funzionamento-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Aspetti_dibattuti" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Aspetti_dibattuti"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Aspetti dibattuti</span> </div> </a> <button aria-controls="toc-Aspetti_dibattuti-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Attiva/disattiva la sottosezione Aspetti dibattuti</span> </button> <ul id="toc-Aspetti_dibattuti-sublist" class="vector-toc-list"> <li id="toc-Vantaggi" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Vantaggi"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Vantaggi</span> </div> </a> <ul id="toc-Vantaggi-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Svantaggi" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Svantaggi"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Svantaggi</span> </div> </a> <ul id="toc-Svantaggi-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Il_data_escrow" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Il_data_escrow"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Il <i>data escrow</i></span> </div> </a> <ul id="toc-Il_data_escrow-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Fornitori_principali" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Fornitori_principali"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Fornitori principali</span> </div> </a> <ul id="toc-Fornitori_principali-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Note" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Note"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Note</span> </div> </a> <ul id="toc-Note-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Voci_correlate" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Voci_correlate"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Voci correlate</span> </div> </a> <ul id="toc-Voci_correlate-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Altri_progetti" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Altri_progetti"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Altri progetti</span> </div> </a> <ul id="toc-Altri_progetti-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Collegamenti_esterni" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Collegamenti_esterni"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Collegamenti esterni</span> </div> </a> <ul id="toc-Collegamenti_esterni-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Indice" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Mostra/Nascondi l'indice" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Mostra/Nascondi l'indice</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Software as a service</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Vai a una voce in un'altra lingua. Disponibile in 36 lingue" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-36" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">36 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A7%D9%84%D8%A8%D8%B1%D9%85%D8%AC%D9%8A%D8%A7%D8%AA_%D8%AE%D8%AF%D9%85%D8%A9" title="البرمجيات خدمة - arabo" lang="ar" hreflang="ar" data-title="البرمجيات خدمة" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Xidm%C9%99t_kimi_proqram_t%C9%99minat%C4%B1" title="Xidmət kimi proqram təminatı - azerbaigiano" lang="az" hreflang="az" data-title="Xidmət kimi proqram təminatı" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaigiano" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/Software_as_a_Service" title="Software as a Service - bielorusso" lang="be" hreflang="be" data-title="Software as a Service" data-language-autonym="Беларуская" data-language-local-name="bielorusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A1%D0%BE%D1%84%D1%82%D1%83%D0%B5%D1%80_%D0%BA%D0%B0%D1%82%D0%BE_%D1%83%D1%81%D0%BB%D1%83%D0%B3%D0%B0" title="Софтуер като услуга - bulgaro" lang="bg" hreflang="bg" data-title="Софтуер като услуга" data-language-autonym="Български" data-language-local-name="bulgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Softver_kao_usluga" title="Softver kao usluga - bosniaco" lang="bs" hreflang="bs" data-title="Softver kao usluga" data-language-autonym="Bosanski" data-language-local-name="bosniaco" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Programari_com_a_servei" title="Programari com a servei - catalano" lang="ca" hreflang="ca" data-title="Programari com a servei" data-language-autonym="Català" data-language-local-name="catalano" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Software_as_a_service" title="Software as a service - ceco" lang="cs" hreflang="cs" data-title="Software as a service" data-language-autonym="Čeština" data-language-local-name="ceco" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Software-as-a-Service" title="Software-as-a-Service - tedesco" lang="de" hreflang="de" data-title="Software-as-a-Service" data-language-autonym="Deutsch" data-language-local-name="tedesco" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9B%CE%BF%CE%B3%CE%B9%CF%83%CE%BC%CE%B9%CE%BA%CF%8C_%CF%89%CF%82_%CE%A5%CF%80%CE%B7%CF%81%CE%B5%CF%83%CE%AF%CE%B1" title="Λογισμικό ως Υπηρεσία - greco" lang="el" hreflang="el" data-title="Λογισμικό ως Υπηρεσία" data-language-autonym="Ελληνικά" data-language-local-name="greco" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Software_as_a_service" title="Software as a service - inglese" lang="en" hreflang="en" data-title="Software as a service" data-language-autonym="English" data-language-local-name="inglese" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Software_como_servicio" title="Software como servicio - spagnolo" lang="es" hreflang="es" data-title="Software como servicio" data-language-autonym="Español" data-language-local-name="spagnolo" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Tarkvara_teenusena" title="Tarkvara teenusena - estone" lang="et" hreflang="et" data-title="Tarkvara teenusena" data-language-autonym="Eesti" data-language-local-name="estone" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D8%AC%D8%A7%D8%B1%D9%87_%D9%86%D8%B1%D9%85%E2%80%8C%D8%A7%D9%81%D8%B2%D8%A7%D8%B1" title="اجاره نرم‌افزار - persiano" lang="fa" hreflang="fa" data-title="اجاره نرم‌افزار" data-language-autonym="فارسی" data-language-local-name="persiano" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Software_as_a_Service" title="Software as a Service - finlandese" lang="fi" hreflang="fi" data-title="Software as a Service" data-language-autonym="Suomi" data-language-local-name="finlandese" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Software_as_a_service" title="Software as a service - francese" lang="fr" hreflang="fr" data-title="Software as a service" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%AA%D7%95%D7%9B%D7%A0%D7%94_%D7%9B%D7%A9%D7%99%D7%A8%D7%95%D7%AA" title="תוכנה כשירות - ebraico" lang="he" hreflang="he" data-title="תוכנה כשירות" data-language-autonym="עברית" data-language-local-name="ebraico" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Software_as_a_service" title="Software as a service - ungherese" lang="hu" hreflang="hu" data-title="Software as a service" data-language-autonym="Magyar" data-language-local-name="ungherese" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Software_as_a_service" title="Software as a service - indonesiano" lang="id" hreflang="id" data-title="Software as a service" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiano" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/Software_as_a_Service" title="Software as a Service - giapponese" lang="ja" hreflang="ja" data-title="Software as a Service" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%84%9C%EB%B9%84%EC%8A%A4%ED%98%95_%EC%86%8C%ED%94%84%ED%8A%B8%EC%9B%A8%EC%96%B4" title="서비스형 소프트웨어 - coreano" lang="ko" hreflang="ko" data-title="서비스형 소프트웨어" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/SaaS" title="SaaS - mongolo" lang="mn" hreflang="mn" data-title="SaaS" data-language-autonym="Монгол" data-language-local-name="mongolo" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Software_as_a_Service" title="Software as a Service - olandese" lang="nl" hreflang="nl" data-title="Software as a Service" data-language-autonym="Nederlands" data-language-local-name="olandese" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Programvare_som_tjeneste" title="Programvare som tjeneste - norvegese bokmål" lang="nb" hreflang="nb" data-title="Programvare som tjeneste" data-language-autonym="Norsk bokmål" data-language-local-name="norvegese bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Oprogramowanie_jako_us%C5%82uga" title="Oprogramowanie jako usługa - polacco" lang="pl" hreflang="pl" data-title="Oprogramowanie jako usługa" data-language-autonym="Polski" data-language-local-name="polacco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Software_como_servi%C3%A7o" title="Software como serviço - portoghese" lang="pt" hreflang="pt" data-title="Software como serviço" data-language-autonym="Português" data-language-local-name="portoghese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Software_as_a_service" title="Software as a service - rumeno" lang="ro" hreflang="ro" data-title="Software as a service" data-language-autonym="Română" data-language-local-name="rumeno" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%BD%D0%BE%D0%B5_%D0%BE%D0%B1%D0%B5%D1%81%D0%BF%D0%B5%D1%87%D0%B5%D0%BD%D0%B8%D0%B5_%D0%BA%D0%B0%D0%BA_%D1%83%D1%81%D0%BB%D1%83%D0%B3%D0%B0" title="Программное обеспечение как услуга - russo" lang="ru" hreflang="ru" data-title="Программное обеспечение как услуга" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Software_as_a_service" title="Software as a service - Simple English" lang="en-simple" hreflang="en-simple" data-title="Software as a service" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Software_as_a_service" title="Software as a service - slovacco" lang="sk" hreflang="sk" data-title="Software as a service" data-language-autonym="Slovenčina" data-language-local-name="slovacco" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Software_as_a_service" title="Software as a service - svedese" lang="sv" hreflang="sv" data-title="Software as a service" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%87%E0%AE%B5%E0%AF%88%E0%AE%AF%E0%AE%BE%E0%AE%95_%E0%AE%AE%E0%AF%86%E0%AE%A9%E0%AF%8D%E0%AE%AA%E0%AF%8A%E0%AE%B0%E0%AF%81%E0%AE%B3%E0%AF%8D" title="சேவையாக மென்பொருள் - tamil" lang="ta" hreflang="ta" data-title="சேவையாக மென்பொருள்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%8B%E0%B8%AD%E0%B8%9F%E0%B8%95%E0%B9%8C%E0%B9%81%E0%B8%A7%E0%B8%A3%E0%B9%8C%E0%B8%9A%E0%B8%A3%E0%B8%B4%E0%B8%81%E0%B8%B2%E0%B8%A3" title="ซอฟต์แวร์บริการ - thailandese" lang="th" hreflang="th" data-title="ซอฟต์แวร์บริการ" data-language-autonym="ไทย" data-language-local-name="thailandese" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Hizmet_olarak_yaz%C4%B1l%C4%B1m" title="Hizmet olarak yazılım - turco" lang="tr" hreflang="tr" data-title="Hizmet olarak yazılım" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BD%D0%B5_%D0%B7%D0%B0%D0%B1%D0%B5%D0%B7%D0%BF%D0%B5%D1%87%D0%B5%D0%BD%D0%BD%D1%8F_%D1%8F%D0%BA_%D0%BF%D0%BE%D1%81%D0%BB%D1%83%D0%B3%D0%B0" title="Програмне забезпечення як послуга - ucraino" lang="uk" hreflang="uk" data-title="Програмне забезпечення як послуга" data-language-autonym="Українська" data-language-local-name="ucraino" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Ph%E1%BA%A7n_m%E1%BB%81m_d%E1%BA%A1ng_d%E1%BB%8Bch_v%E1%BB%A5" title="Phần mềm dạng dịch vụ - vietnamita" lang="vi" hreflang="vi" data-title="Phần mềm dạng dịch vụ" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E8%BD%AF%E4%BB%B6%E5%8D%B3%E6%9C%8D%E5%8A%A1" title="软件即服务 - cinese" lang="zh" hreflang="zh" data-title="软件即服务" data-language-autonym="中文" data-language-local-name="cinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1254596#sitelinks-wikipedia" title="Modifica collegamenti interlinguistici" class="wbc-editpage">Modifica collegamenti</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespace"> <div id="p-associated-pages" class="vector-menu 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</div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspetto"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aspetto</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">nascondi</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Da Wikipedia, l'enciclopedia libera.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="it" dir="ltr"><p><i><b>Software as a service</b></i> (<a href="/wiki/Acronimo" title="Acronimo">acronimo</a> <i>SaaS</i>, <abbr title="letteralmente">lett.</abbr> "software come servizio", in alcuni casi anche <i><b>Pay Per Use</b></i> - <b>PPU</b> cioè <abbr title="letteralmente">lett.</abbr> "pagare per l'uso"<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>) è un modello di servizio<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> del <a href="/wiki/Software_applicativo" class="mw-redirect" title="Software applicativo">software applicativo</a> realizzato da un produttore che mette a disposizione un programma, direttamente o tramite terze parti, con modalità telematiche come ad esempio un'<a href="/wiki/Applicazione_web" title="Applicazione web">applicazione web</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Storia">Storia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Software_as_a_service&veaction=edit&section=1" title="Modifica la sezione Storia" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Software_as_a_service&action=edit&section=1" title="Edit section's source code: Storia"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Il concetto di "software come servizio" è iniziato a circolare nell'anno <a href="/wiki/2000" title="2000">2000</a> ed è associato principalmente al saggio di <a href="/wiki/Tim_O%27Reilly" title="Tim O'Reilly">Tim O'Reilly</a> su <i>The Open Source Paradigm Shift</i><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> così come a marchi come <a href="/wiki/WebEx" class="mw-redirect" title="WebEx">WebEx</a> e <i><a href="/w/index.php?title=Remote_Business&action=edit&redlink=1" class="new" title="Remote Business (la pagina non esiste)">Remote Business</a></i>.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup>. Questo concetto è anche apparso nell'articolo <i>Strategic Backgrounder: Software As A Service</i> pubblicato dalla eBusiness Division della Software & Information Industry's (SIIA).<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>Un'evoluzione del <a href="/wiki/Concetto" title="Concetto">concetto</a> è stata pubblicata nel maggio 2020, ovvero il CSA (Cloud Service Application) che permette la realizzazione di un unico applicativo eseguibile utilizzabile su desktop e su mobile senza andare a riprogettare e realizzare nuovi applicativi. </p> <div class="mw-heading mw-heading2"><h2 id="Descrizione">Descrizione</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Software_as_a_service&veaction=edit&section=2" title="Modifica la sezione Descrizione" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Software_as_a_service&action=edit&section=2" title="Edit section's source code: Descrizione"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Caratteri_principali">Caratteri principali</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Software_as_a_service&veaction=edit&section=3" title="Modifica la sezione Caratteri principali" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Software_as_a_service&action=edit&section=3" title="Edit section's source code: Caratteri principali"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Il <a href="/wiki/Software" title="Software">software</a> utilizzato non è installato localmente, ma viene messo a disposizione dei clienti tramite una connessione <a href="/wiki/Internet" title="Internet">internet</a> (previo eventuale abbonamento), pagando per l'utilizzo del software, non per il suo possesso. Per questo, si tratta per definizione di un servizio di <a href="/wiki/Cloud_computing" title="Cloud computing">cloud computing</a>.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Può esser definito come un insieme di mezzi, servizi e competenze che consente alle aziende di esternalizzare alcuni aspetti del loro sistema informatico e sostituirli con un costo di funzionamento piuttosto che con un investimento vero e proprio. È anche, secondo i contratti di servizio proposti, la possibilità di implementare <a href="/wiki/Service_level_agreement" title="Service level agreement">Accordi sul Livello del Servizio</a> (SLA) e di limitare la loro esposizione a una tecnologia dato che la cessazione del contratto permette a queste aziende di abbandonare una tecnologia non più voluta. </p><p>L'espressione <i>Software as a Service</i> è legata principalmente al <a href="/wiki/Commercio" title="Commercio">mondo commerciale</a>, mentre le applicazioni orientate all'<a href="/wiki/Utente" title="Utente">utente</a> finale basate su applicativi residenti su <a href="/wiki/Server" title="Server">server</a> remoti vengono considerate facenti parte del <a href="/wiki/Web_2.0" class="mw-redirect" title="Web 2.0">Web 2.0</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Funzionamento">Funzionamento</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Software_as_a_service&veaction=edit&section=4" title="Modifica la sezione Funzionamento" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Software_as_a_service&action=edit&section=4" title="Edit section's source code: Funzionamento"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>L'utilizzo avviene tramite <a href="/wiki/Application_programming_interface" title="Application programming interface">API</a> accessibili via <a href="/wiki/World_Wide_Web" title="World Wide Web">web</a>, spesso come <a href="/wiki/Web_service" title="Web service">Web service</a> o <a href="/wiki/REST" class="mw-redirect" title="REST">REST</a>. La fruizione tramite <a href="/wiki/Browser" title="Browser">browser</a> è quella più diffusa ma non è l'unica (ad esempio può essere installata localmente un'app che fa da agent ma tutti i contenuti sono erogati on line). </p><p>La logica Software as a service (SaaS) è uno dei risultati pratici del paradigma <a href="/wiki/Service-oriented_architecture" title="Service-oriented architecture">service-oriented architecture</a> (SOA). Il termine "SaaS" è diventato il termine di riferimento, rimpiazzando i precedenti termini <a href="/wiki/Application_service_provider" title="Application service provider">Application service provider</a> (ASP) e on-demand. </p> <div class="mw-heading mw-heading2"><h2 id="Aspetti_dibattuti">Aspetti dibattuti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Software_as_a_service&veaction=edit&section=5" title="Modifica la sezione Aspetti dibattuti" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Software_as_a_service&action=edit&section=5" title="Edit section's source code: Aspetti dibattuti"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Vantaggi">Vantaggi</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Software_as_a_service&veaction=edit&section=6" title="Modifica la sezione Vantaggi" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Software_as_a_service&action=edit&section=6" title="Edit section's source code: Vantaggi"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>L'uso dei "software come servizio" presenta un impatto finanziario di una certa rilevanza. I costi totali di gestione e manutenzione della soluzione (<a href="/wiki/Total_Cost_of_Ownership" title="Total Cost of Ownership">Total Cost of Ownership, TCO</a>) appaiono quasi inalterati, a differenza dell'acquisizione di una licenza tradizionale, che di solito è considerata in capitale (<a href="/wiki/Capex" title="Capex">Capex</a>, esclusa manutenzione), questa spesa sarà definita come costo operativo (<a href="/wiki/Opex" title="Opex">OPEX</a>).</li></ul> <ul><li>Le soluzioni SaaS sono generalmente molto flessibili e permettono di implementare soluzioni <i><a href="/wiki/On_demand_(informatica)" title="On demand (informatica)">on demand</a></i>.</li></ul> <ul><li>L'uso di un computer a basso costo con unicamente un <i><a href="/wiki/Browser" title="Browser">browser</a></i> e nessun'altra licenza può bastare. Il costo del consumo elettrico può dunque essere abbassato.</li> <li>La possibilità di accedere al software da qualunque dispositivo, senza necessariamente ricorrere ad una <a href="/wiki/Virtual_private_network" class="mw-redirect" title="Virtual private network">VPN</a>, in qualunque parte del mondo (a meno che il servizio non sia appositamente bloccato in certe regioni oppure sia volutamente impostata una VPN per ragioni sistemistiche).</li></ul> <div class="mw-heading mw-heading3"><h3 id="Svantaggi">Svantaggi</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Software_as_a_service&veaction=edit&section=7" title="Modifica la sezione Svantaggi" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Software_as_a_service&action=edit&section=7" title="Edit section's source code: Svantaggi"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>I dati del cliente possono essere trovati sul <i><a href="/wiki/Server" title="Server">server</a></i> del fornitore di servizi: questo non è sempre accettabile per ragioni di tutela della segretezza aziendale. È indispensabile imporre delle misure di sicurezza che proibiscano al fornitore di servizi di accedere ai dati dell'azienda nel caso in cui ci sia separazione delle due parti.</li></ul> <ul><li>Bisogna adattare il proprio <a href="/wiki/Piano_di_continuit%C3%A0_operativa" title="Piano di continuità operativa">Piano di continuità aziendale</a> (PCO) in funzione dei SaaS e prevedere i diversi scenari possibili in caso di problemi con il fornitore di servizi.</li></ul> <ul><li>Il servizio prevede non più il funzionamento di un solo sistema informatico, bensì almeno di due: quello del fornitore del servizio e quello del cliente. La comunicazione tra i due sistemi è assicurata dall'<a href="/wiki/Internet_service_provider" title="Internet service provider">Internet service provider</a>; se questa terza entità non assicura la comunicazione, l'attività dell'azienda è impossibile.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Il_data_escrow">Il <i>data escrow</i></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Software_as_a_service&veaction=edit&section=8" title="Modifica la sezione Il data escrow" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Software_as_a_service&action=edit&section=8" title="Edit section's source code: Il data escrow"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>Software as a service data escrow</i> è il processo di conservazione di una copia dei dati critici dell'applicazione software-as-a-service presso una terza parte indipendente. Simile all'escrow del codice sorgente, in cui il <a href="/wiki/Codice_sorgente" title="Codice sorgente">codice sorgente</a> del software critico è archiviato con una terza parte indipendente, l'escrow dei dati SaaS applica la stessa logica ai dati all'interno di un'applicazione SaaS. Consente alle aziende di proteggere e assicurare tutti i dati che risiedono all'interno delle applicazioni SaaS, proteggendoli dalla perdita di dati.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p><p>Ci sono molte e varie ragioni per considerare l'escrow dei dati SaaS, comprese le preoccupazioni sul fallimento<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> del fornitore, le interruzioni non pianificate del servizio e la potenziale perdita o danneggiamento dei dati. Molte aziende si assicurano di rispettare i propri standard di governance dei dati o cercano di migliorare i report e l'analisi aziendale rispetto ai dati SaaS. La ricerca condotta da Clearpace Software Ltd. sulla crescita di SaaS ha mostrato che l'85% dei partecipanti voleva prendere una copia dei propri dati SaaS. Un terzo di questi partecipanti voleva una copia quotidiana.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>Le principali applicazioni attuali di questo modello sono: </p> <ul><li>la gestione delle relazioni coi clienti (<a href="/wiki/Customer_relationship_management" title="Customer relationship management">CRM</a>);</li> <li>le <a href="/wiki/Enterprise_resource_planning" title="Enterprise resource planning">enterprise resource planning</a> (ERP);</li> <li>la video conferenza;</li> <li>la <a href="/wiki/Gestione_delle_risorse_umane" title="Gestione delle risorse umane">gestione delle risorse umane</a>;</li> <li>le comunicazioni unificate (<i>unified communications</i>);</li> <li>il lavoro collaborativo;</li> <li>le <a href="/wiki/E-mail" class="mw-redirect" title="E-mail">e-mail</a>;</li> <li>i servizi critici del <a href="/wiki/Dominio_(informatica)" title="Dominio (informatica)">dominio</a>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Fornitori_principali">Fornitori principali</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Software_as_a_service&veaction=edit&section=9" title="Modifica la sezione Fornitori principali" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Software_as_a_service&action=edit&section=9" title="Edit section's source code: Fornitori principali"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Microsoft_Azure_(piattaforma)" class="mw-redirect" title="Microsoft Azure (piattaforma)">Microsoft Azure</a></li> <li><a href="/wiki/Amazon_Web_Services" title="Amazon Web Services">Amazon Web Services</a></li> <li><a href="/wiki/Google_Workspace" title="Google Workspace">Google Workspace</a></li> <li><a href="/wiki/ICloud" title="ICloud">iCloud</a></li> <li><a href="/wiki/Bluemix" class="mw-redirect" title="Bluemix">Bluemix</a></li> <li><a href="/wiki/Microsoft_365" title="Microsoft 365">Microsoft 365</a></li> <li><a href="/wiki/Oracle_Corporation" title="Oracle Corporation">Oracle</a></li> <li><a href="/wiki/Salesforce" title="Salesforce">Salesforce</a></li> <li><a href="/wiki/SAP_(azienda)" title="SAP (azienda)">SAP</a></li> <li><a href="/wiki/Zoho_Office" title="Zoho Office">Zoho Office Suite</a></li> <li><a href="/wiki/Dropbox" title="Dropbox">Dropbox</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Software_as_a_service&veaction=edit&section=10" title="Modifica la sezione Note" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Software_as_a_service&action=edit&section=10" title="Edit section's source code: Note"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1"><b>^</b></a> <span class="reference-text"><a rel="nofollow" class="external free" href="https://apprenda.com/library/glossary/definition-payperuse-software-saas/">https://apprenda.com/library/glossary/definition-payperuse-software-saas/</a></span> </li> <li id="cite_note-2"><a href="#cite_ref-2"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> National Institute of Standards and Technology, Peter Mell e Timothy Grance, <span style="font-style:italic;">The NIST Definition of Cloud Computing</span>, Special Publication 800-145.</cite></span> </li> <li id="cite_note-3"><a href="#cite_ref-3"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) Brian Turner last updated, <a rel="nofollow" class="external text" href="https://www.techradar.com/news/what-is-saas"><span style="font-style:italic;">What is SaaS? Everything you need to know about Software as a Service</span></a>, su <span style="font-style:italic;">TechRadar</span>, 15 dicembre 2019. <small>URL consultato il 13 aprile 2022</small>.</cite></span> </li> <li id="cite_note-4"><a href="#cite_ref-4"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110902224353/http://tim.oreilly.com/articles/paradigmshift_0504.html"><span style="font-style:italic;">Tim O'Reilly - The Open Source Paradigm Shift, June 2004</span></a>, su <span style="font-style:italic;">tim.oreilly.com</span>. <small>URL consultato il 17 marzo 2008</small> <small>(archiviato dall'<abbr title="http://tim.oreilly.com/articles/paradigmshift_0504.html">url originale</abbr> il 2 settembre 2011)</small>.</cite></span> </li> <li id="cite_note-5"><a href="#cite_ref-5"><b>^</b></a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.brainstorm-group.com/bsgweb/0900EBS.asp">Note from an eBusiness Strategy conference</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080216062424/http://www.brainstorm-group.com/bsgweb/0900EBS.asp">Archiviato</a> il 16 febbraio 2008 in <a href="/wiki/Internet_Archive" title="Internet Archive">Internet Archive</a>. (September 2000)</span> </li> <li id="cite_note-6"><a href="#cite_ref-6"><b>^</b></a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.aspnews.com/analysis/analyst_cols/article.php/709821">Engines Emerge That Will Drive Software as a Service</a> (March 2001)</span> </li> <li id="cite_note-7"><a href="#cite_ref-7"><b>^</b></a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://software.silicon.com/webservices/0,39024657,11025074,00.htm">Citrix Ditches ASP tag</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080327004829/http://software.silicon.com/webservices/0,39024657,11025074,00.htm">Archiviato</a> il 27 marzo 2008 in <a href="/wiki/Internet_Archive" title="Internet Archive">Internet Archive</a>. (June 2001)</span> </li> <li id="cite_note-8"><a href="#cite_ref-8"><b>^</b></a> <span class="reference-text"><a rel="nofollow" class="external autonumber" href="http://archive.wikiwix.com/cache/20120412094836/http://www.siia.net/estore/ssb-01.pdf">[1]</a> archivio (28 febbraio 2001)</span> </li> <li id="cite_note-9"><a href="#cite_ref-9"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="https://www.ionos.it/digitalguide/server/know-how/saas-software-as-a-service/"><span style="font-style:italic;">Che cos'è il Saas (Software as a service)?</span></a>, su <span style="font-style:italic;">IONOS Digitalguide</span>. <small>URL consultato il 13 aprile 2022</small>.</cite></span> </li> <li id="cite_note-10"><a href="#cite_ref-10"><b>^</b></a> <span class="reference-text">Dal punto di vista pratico, un SaaS potrebbe anche essere fruito senza ricorrere a tecnologia cloud nel senso stretto del termine, ad esempio l'istanza potrebbe essere installata su di un datacenter privato e dedicato.</span> </li> <li id="cite_note-11"><a href="#cite_ref-11"><b>^</b></a> <span class="reference-text"><cite class="citation libro" style="font-style:normal"> Rajkumar Buyya, James Broberg, Andrzej M. Goscinski, <a rel="nofollow" class="external text" href="https://big-data.digital/cloud-computing-principles-and-paradigms/"><span style="font-style:italic;">Cloud Computing Principles and Paradigms</span></a>, Wiley, 2011, <a href="/wiki/ISBN" title="ISBN">ISBN</a> <a href="/wiki/Speciale:RicercaISBN/978-0470887998" title="Speciale:RicercaISBN/978-0470887998">978-0470887998</a>.</cite></span> </li> <li id="cite_note-12"><a href="#cite_ref-12"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> Richard May, <a rel="nofollow" class="external text" href="http://www.virtualdcs.co.uk/files/SoftwareasaServiceandEscrow.pdf"><span style="font-style:italic;">Software Escrow whitepaper</span></a> (<span style="font-weight: bolder; font-size:80%"><abbr title="documento in formato PDF">PDF</abbr></span>), su <span style="font-style:italic;">virtualdcs.co.uk</span>, United Kingdom, Virtual DCS.</cite></span> </li> <li id="cite_note-13"><a href="#cite_ref-13"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="http://www.virtualdcs.co.uk/blog/is-escrow-dead"><span style="font-style:italic;">Software Escrow: Is Escrow dead?</span></a>, su <span style="font-style:italic;">virtualdcs.co.uk</span>, 14 giugno 2012. <small>URL consultato il 6 settembre 2016</small>.</cite></span> </li> <li id="cite_note-14"><a href="#cite_ref-14"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> <a rel="nofollow" class="external text" href="http://www.rainstor.com/assets/downloads/SaaS_Data_Escrow_International_Report.pdf"><span style="font-style:italic;">SaaS Data Escrow International Report</span></a> (<span style="font-weight: bolder; font-size:80%"><abbr title="documento in formato PDF">PDF</abbr></span>), in <span style="font-style:italic;"><a href="/w/index.php?title=RainStor&action=edit&redlink=1" class="new" title="RainStor (la pagina non esiste)">RainStor</a></span>, <a href="/w/index.php?title=Gloucester,_England&action=edit&redlink=1" class="new" title="Gloucester, England (la pagina non esiste)">Gloucester, England</a>, Clearpace Software, 14 dicembre 2009. <small>URL consultato il 24 aprile 2011</small>.<br /><div class="cite-q">«Only 15 per cent of those who currently use, or plan to use, SaaS have no inclination to keep a copy of their data.»</div></cite></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Voci_correlate">Voci correlate</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Software_as_a_service&veaction=edit&section=11" title="Modifica la sezione Voci correlate" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Software_as_a_service&action=edit&section=11" title="Edit section's source code: Voci correlate"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Applicazione_web" title="Applicazione web">Applicazione web</a></li> <li><a href="/wiki/Cloud_computing" title="Cloud computing">Cloud computing</a></li> <li><a href="/wiki/Data_as_a_service" title="Data as a service">Data as a service</a></li> <li><a href="/wiki/Software" title="Software">Software</a></li> <li><a href="/wiki/Platform_as_a_service" title="Platform as a service">Platform as a service</a></li> <li><a href="/wiki/Infrastructure_as_a_service" title="Infrastructure as a service">Infrastructure as a service</a></li> <li><a href="/wiki/Backend_as_a_service" title="Backend as a service">Backend as a service</a></li> <li><a href="/wiki/Data_as_a_service" title="Data as a service">Data as a service</a></li> <li><a href="/wiki/Security_as_a_service" title="Security as a service">Security as a service</a></li> <li><a href="/wiki/Function_as_a_service" title="Function as a service">Function as a service</a></li> <li><a href="/wiki/Monitoring_as_a_service" title="Monitoring as a service">Monitoring as a service</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Altri_progetti">Altri progetti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Software_as_a_service&veaction=edit&section=12" title="Modifica la sezione Altri progetti" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Software_as_a_service&action=edit&section=12" title="Edit section's source code: Altri progetti"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div id="interProject" class="toccolours" style="display: none; clear: both; margin-top: 2em"><p id="sisterProjects" style="background-color: #efefef; color: black; font-weight: bold; margin: 0"><span>Altri progetti</span></p><ul title="Collegamenti verso gli altri progetti Wikimedia"> <li class="" title=""><span class="plainlinks" title="commons:Category:SaaS"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:SaaS?uselang=it">Wikimedia Commons</a></span></li></ul></div> <ul><li><span typeof="mw:File"><a href="https://commons.wikimedia.org/wiki/?uselang=it" title="Collabora a Wikimedia Commons"><img alt="Collabora a Wikimedia Commons" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png" decoding="async" width="18" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/27px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/36px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> <span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/?uselang=it">Wikimedia Commons</a></span> contiene immagini o altri file sul <b><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:SaaS?uselang=it">software as a service</a></span></b></li></ul> <div class="mw-heading mw-heading2"><h2 id="Collegamenti_esterni">Collegamenti esterni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Software_as_a_service&veaction=edit&section=13" title="Modifica la sezione Collegamenti esterni" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Software_as_a_service&action=edit&section=13" title="Edit section's source code: Collegamenti esterni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="http://www.altalex.com/index.php?idnot=44076"><span style="font-style:italic;">Software as a service (SaaS): aspetti giuridici e negoziali</span></a>, su <span style="font-style:italic;">altalex.com</span>.</cite></li> <li><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="https://www.gnu.org/philosophy/who-does-that-server-really-serve.html"><span style="font-style:italic;">Articolo di Richard Stallman sul SaaS</span></a>, su <span style="font-style:italic;">gnu.org</span>.</cite></li> <li><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="http://www.luitinfotech.com/kc/saas-asp-difference.pdf"><span style="font-style:italic;">Differenza tra ASP e SaaS</span></a> (<span style="font-weight: bolder; font-size:80%"><abbr title="documento in formato PDF">PDF</abbr></span>), su <span style="font-style:italic;">luitinfotech.com</span>.</cite></li> <li><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="francese">FR</abbr></span>) <a rel="nofollow" class="external text" href="http://nauges.typepad.com/my_weblog/2011/01/saas-software-as-a-service-la-r%C3%A9volution-industrielle-informatique-des-logiciels-.html"><span style="font-style:italic;">La Révolution Industrielle Informatique des logiciels</span></a>, su <span style="font-style:italic;">nauges.typepad.com</span>.</cite></li> <li><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="https://www.news.srl/saas-software-as-a-service/"><span style="font-style:italic;">Cos'è SaaS e perché è da considerata l'industria del futuro</span></a>, su <span style="font-style:italic;">news.srl</span>.</cite></li></ul> <style data-mw-deduplicate="TemplateStyles:r140554510">.mw-parser-output .CdA{border:1px solid #aaa;width:100%;margin:auto;font-size:90%;padding:2px}.mw-parser-output .CdA th{background-color:#f2f2f2;font-weight:bold;width:20%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .CdA{border-color:#54595D}html.skin-theme-clientpref-night .mw-parser-output .CdA th{background-color:#202122}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .CdA{border-color:#54595D}html.skin-theme-clientpref-os .mw-parser-output .CdA th{background-color:#202122}}</style><table class="CdA"><tbody><tr><th><a href="/wiki/Aiuto:Controllo_di_autorit%C3%A0" title="Aiuto:Controllo di autorità">Controllo di autorità</a></th><td><a href="/wiki/Gemeinsame_Normdatei" title="Gemeinsame Normdatei">GND</a> <span class="uid">(<span style="font-weight:bolder; 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