{"id":166414,"date":"2014-03-24T00:00:00","date_gmt":"2014-03-24T00:00:00","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/msr-research-item\/orleans-distributed-virtual-actors-for-programmability-and-scalability\/"},"modified":"2018-10-16T21:05:14","modified_gmt":"2018-10-17T04:05:14","slug":"orleans-distributed-virtual-actors-for-programmability-and-scalability","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/orleans-distributed-virtual-actors-for-programmability-and-scalability\/","title":{"rendered":"Orleans: Distributed Virtual Actors for Programmability and Scalability"},"content":{"rendered":"<div class=\"asset-content\">\n<p>High-scale interactive services demand high throughput with low latency and high availability, difficult goals to meet with the traditional stateless 3-tier architecture. The actor model makes it natural to build a stateful middle tier and achieve the required performance. However, the popular actor model platforms still pass many distributed systems problems to the developers.<br \/>\nThe Orleans programming model introduces the novel abstraction of virtual actors that solves a number of the complex distributed systems problems, such as reliability and distributed resource management, liberating the developers from dealing with those concerns. At the same time, the Orleans runtime enables applications to attain high performance, reliability and scalability.<br \/>\nThis paper presents the design principles behind Orleans and demonstrates how Orleans achieves a simple programming model that meets these goals. We describe how Orleans simplified the development of several scalable production applications on Windows Azure, and report on the performance of those production systems.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>High-scale interactive services demand high throughput with low latency and high availability, difficult goals to meet with the traditional stateless 3-tier architecture. The actor model makes it natural to build a stateful middle tier and achieve the required performance. However, the popular actor model platforms still pass many distributed systems problems to the developers. The [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","footnotes":""},"msr-content-type":[3],"msr-research-highlight":[],"research-area":[13547],"msr-publication-type":[193718],"msr-product-type":[],"msr-focus-area":[],"msr-platform":[],"msr-download-source":[],"msr-locale":[268875],"msr-post-option":[],"msr-field-of-study":[],"msr-conference":[],"msr-journal":[],"msr-impact-theme":[],"msr-pillar":[],"class_list":["post-166414","msr-research-item","type-msr-research-item","status-publish","hentry","msr-research-area-systems-and-networking","msr-locale-en_us"],"msr_publishername":"","msr_edition":"","msr_affiliation":"","msr_published_date":"2014-03-24","msr_host":"","msr_duration":"","msr_version":"","msr_speaker":"","msr_other_contributors":"","msr_booktitle":"","msr_pages_string":"","msr_chapter":"","msr_isbn":"","msr_journal":"","msr_volume":"","msr_number":"MSR-TR-2014-41","msr_editors":"","msr_series":"","msr_issue":"","msr_organization":"","msr_how_published":"","msr_notes":"","msr_highlight_text":"","msr_release_tracker_id":"","msr_original_fields_of_study":"","msr_download_urls":"","msr_external_url":"","msr_secondary_video_url":"","msr_longbiography":"","msr_microsoftintellectualproperty":1,"msr_main_download":"205010","msr_publicationurl":"","msr_doi":"","msr_publication_uploader":[{"type":"file","title":"Orleans-MSR-TR-2014-41.pdf","viewUrl":"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2016\/02\/Orleans-MSR-TR-2014-41.pdf","id":205010,"label_id":0}],"msr_related_uploader":"","msr_attachments":[{"id":205010,"url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2016\/02\/Orleans-MSR-TR-2014-41.pdf"}],"msr-author-ordering":[{"type":"user_nicename","value":"philbe","user_id":33253,"rest_url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=philbe"},{"type":"user_nicename","value":"sbykov","user_id":33545,"rest_url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=sbykov"},{"type":"user_nicename","value":"ageller","user_id":30850,"rest_url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=ageller"},{"type":"user_nicename","value":"gkliot","user_id":31883,"rest_url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=gkliot"},{"type":"user_nicename","value":"jthelin","user_id":32428,"rest_url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=jthelin"}],"msr_impact_theme":[],"msr_research_lab":[],"msr_event":[],"msr_group":[144927,957177],"msr_project":[170573],"publication":[],"video":[],"download":[],"msr_publication_type":"techreport","related_content":{"projects":[{"ID":170573,"post_title":"Orleans - Virtual Actors","post_name":"orleans-virtual-actors","post_type":"msr-project","post_date":"2010-10-14 17:19:52","post_modified":"2018-04-02 13:24:10","post_status":"publish","permalink":"https:\/\/www.microsoft.com\/en-us\/research\/project\/orleans-virtual-actors\/","post_excerpt":"Project \"Orleans\" invented the Virtual Actor abstraction, which provides a straightforward approach to building distributed interactive\u00a0applications, without the need to learn complex programming\u00a0patterns for handling concurrency, fault tolerance, and resource management. Orleans applications scale-up automatically and are meant to be deployed\u00a0in the cloud. It has been used heavily by a number of high-scale cloud services at Microsoft, starting with cloud services for the Halo franchise running in production in Microsoft Azure since 2011. 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