{"id":162496,"date":"2012-03-01T00:00:00","date_gmt":"2012-03-01T00:00:00","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/msr-research-item\/sonora-a-platform-for-continuous-mobile-cloud-computing\/"},"modified":"2018-10-16T20:16:47","modified_gmt":"2018-10-17T03:16:47","slug":"sonora-a-platform-for-continuous-mobile-cloud-computing","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/sonora-a-platform-for-continuous-mobile-cloud-computing\/","title":{"rendered":"Sonora: A Platform for Continuous Mobile-Cloud Computing"},"content":{"rendered":"<div class=\"asset-content\">\n<p>This paper presents Sonora, a platform for mobile-cloud computing. Sonora is designed to support the development and execution of continuous mobile-cloud services. To this end, Sonora provides developers with stream-based programming interfaces that coherently integrate a broad range of existing techniques from mobile, database, and distributed systems. These range from support for disconnected operation to relational and event-driven models. Sonora&#8217;s execution engine is a fault-tolerant distributed runtime that supports user-facing continuous sensing and processing services in the cloud. Key features of this engine are its dynamic load balancing mechanisms, and a novel failure recovery protocol that performs checkpoint-based partial rollback recovery with selective re-execution. To illustrate the relevance and power of the stream abstraction in describing complex mobile-cloud services we evaluate Sonora&#8217;s design in the context of two services. We also validate Sonora&#8217;s design, demonstrating that Sonora is efficient, scalable, and provides responsive fault tolerance.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This paper presents Sonora, a platform for mobile-cloud computing. Sonora is designed to support the development and execution of continuous mobile-cloud services. To this end, Sonora provides developers with stream-based programming interfaces that coherently integrate a broad range of existing techniques from mobile, database, and distributed systems. These range from support for disconnected operation to 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