{"id":206,"date":"2022-03-21T07:24:55","date_gmt":"2022-03-21T07:24:55","guid":{"rendered":"https:\/\/c3.itec.aau.at\/?p=206"},"modified":"2022-03-21T07:25:27","modified_gmt":"2022-03-21T07:25:27","slug":"paper-accepted-in-the-ieee-transactions-on-network-and-service-management","status":"publish","type":"post","link":"https:\/\/c3.itec.aau.at\/index.php\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\/","title":{"rendered":"Paper accepted in the IEEE Transactions on Network and Service Management"},"content":{"rendered":"\n<p><strong>Title<\/strong>: FaaScinating Resilience for Serverless Function Choreographies in Federated Clouds<\/p>\n\n\n\n<p><strong>Authors<\/strong>: Sasko Ristov, Dragi Kimovski, Thomas Fahringer<\/p>\n\n\n\n<p><strong>Abstract<\/strong>: Cloud applications often benefit from deployment on serverless technology Function-as-a-Service (FaaS), which may instantly spawn numerous functions and charge users for the period when serverless functions are running. Maximum benefit is achieved when functions are orchestrated in a workflow or function choreographies (FCs). However, many provider limitations specific for FaaS, such as maximum concurrency or duration often increase the failure rate, which can severely hamper the execution of entire FCs. Current support for resilience is often limited to function retries or try-catch, which are applicable within the same cloud region only. To overcome these limitations, we introduce rAF CL, a middleware platform that maintains the reliability of complex FCs in federated clouds. In order to support resilient FC execution under rAF CL, our model creates an alternative strategy for each function based on the required availability specified by the user. Alternative strategies are not restricted to the same cloud region, but may contain alternative functions across five providers, invoked concurrently in a single alternative plan or executed subsequently in multiple alternative plans. With this approach, rAF CL offers flexibility in terms of cost-performance trade-off. We evaluated rAF CL by running three real-life applications across three cloud providers. Experimental results demonstrated that rAF CL outperforms the resilience of AWS Step Functions, increasing the success rate of the entire FC by 53.45%, while invoking only 3.94% more functions with zero wasted function invocations. rAF CL significantly improves the availability of entire FCs to almost 1 and survives even after massive failures of alternative functions<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Title: FaaScinating Resilience for Serverless Function Choreographies in Federated Clouds Authors: Sasko Ristov, Dragi Kimovski, Thomas Fahringer Abstract: Cloud applications often benefit from deployment on serverless technology Function-as-a-Service (FaaS), which may instantly spawn numerous functions and charge users for the period when serverless functions are running. Maximum benefit is achieved when functions are orchestrated in [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-206","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Paper accepted in the IEEE Transactions on Network and Service Management - C3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/c3.itec.aau.at\/index.php\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Paper accepted in the IEEE Transactions on Network and Service Management - C3\" \/>\n<meta property=\"og:description\" content=\"Title: FaaScinating Resilience for Serverless Function Choreographies in Federated Clouds Authors: Sasko Ristov, Dragi Kimovski, Thomas Fahringer Abstract: Cloud applications often benefit from deployment on serverless technology Function-as-a-Service (FaaS), which may instantly spawn numerous functions and charge users for the period when serverless functions are running. Maximum benefit is achieved when functions are orchestrated in [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/c3.itec.aau.at\/index.php\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\/\" \/>\n<meta property=\"og:site_name\" content=\"C3\" \/>\n<meta property=\"article:published_time\" content=\"2022-03-21T07:24:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-03-21T07:25:27+00:00\" \/>\n<meta name=\"author\" content=\"Dragi Kimovski\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dragi Kimovski\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/c3.itec.aau.at\\\/index.php\\\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/c3.itec.aau.at\\\/index.php\\\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\\\/\"},\"author\":{\"name\":\"Dragi Kimovski\",\"@id\":\"https:\\\/\\\/c3.itec.aau.at\\\/#\\\/schema\\\/person\\\/40f037aaa2d1d20b5a6beb655d80c2ec\"},\"headline\":\"Paper accepted in the IEEE Transactions on Network and Service Management\",\"datePublished\":\"2022-03-21T07:24:55+00:00\",\"dateModified\":\"2022-03-21T07:25:27+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/c3.itec.aau.at\\\/index.php\\\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\\\/\"},\"wordCount\":278,\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/c3.itec.aau.at\\\/index.php\\\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\\\/\",\"url\":\"https:\\\/\\\/c3.itec.aau.at\\\/index.php\\\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\\\/\",\"name\":\"Paper accepted in the IEEE Transactions on Network and Service Management - C3\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/c3.itec.aau.at\\\/#website\"},\"datePublished\":\"2022-03-21T07:24:55+00:00\",\"dateModified\":\"2022-03-21T07:25:27+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/c3.itec.aau.at\\\/#\\\/schema\\\/person\\\/40f037aaa2d1d20b5a6beb655d80c2ec\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/c3.itec.aau.at\\\/index.php\\\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/c3.itec.aau.at\\\/index.php\\\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/c3.itec.aau.at\\\/index.php\\\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/c3.itec.aau.at\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Paper accepted in the IEEE Transactions on Network and Service Management\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/c3.itec.aau.at\\\/#website\",\"url\":\"https:\\\/\\\/c3.itec.aau.at\\\/\",\"name\":\"C3\",\"description\":\"The Carinthian Computing Continuum\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/c3.itec.aau.at\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/c3.itec.aau.at\\\/#\\\/schema\\\/person\\\/40f037aaa2d1d20b5a6beb655d80c2ec\",\"name\":\"Dragi Kimovski\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/69f9c67e421b3ea3cb1096163c89fb751722295afb1ef52f18258722953e4d36?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/69f9c67e421b3ea3cb1096163c89fb751722295afb1ef52f18258722953e4d36?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/69f9c67e421b3ea3cb1096163c89fb751722295afb1ef52f18258722953e4d36?s=96&d=mm&r=g\",\"caption\":\"Dragi Kimovski\"},\"url\":\"https:\\\/\\\/c3.itec.aau.at\\\/index.php\\\/author\\\/dragi\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Paper accepted in the IEEE Transactions on Network and Service Management - C3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/c3.itec.aau.at\/index.php\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\/","og_locale":"en_US","og_type":"article","og_title":"Paper accepted in the IEEE Transactions on Network and Service Management - C3","og_description":"Title: FaaScinating Resilience for Serverless Function Choreographies in Federated Clouds Authors: Sasko Ristov, Dragi Kimovski, Thomas Fahringer Abstract: Cloud applications often benefit from deployment on serverless technology Function-as-a-Service (FaaS), which may instantly spawn numerous functions and charge users for the period when serverless functions are running. Maximum benefit is achieved when functions are orchestrated in [&hellip;]","og_url":"https:\/\/c3.itec.aau.at\/index.php\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\/","og_site_name":"C3","article_published_time":"2022-03-21T07:24:55+00:00","article_modified_time":"2022-03-21T07:25:27+00:00","author":"Dragi Kimovski","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Dragi Kimovski","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/c3.itec.aau.at\/index.php\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\/#article","isPartOf":{"@id":"https:\/\/c3.itec.aau.at\/index.php\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\/"},"author":{"name":"Dragi Kimovski","@id":"https:\/\/c3.itec.aau.at\/#\/schema\/person\/40f037aaa2d1d20b5a6beb655d80c2ec"},"headline":"Paper accepted in the IEEE Transactions on Network and Service Management","datePublished":"2022-03-21T07:24:55+00:00","dateModified":"2022-03-21T07:25:27+00:00","mainEntityOfPage":{"@id":"https:\/\/c3.itec.aau.at\/index.php\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\/"},"wordCount":278,"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/c3.itec.aau.at\/index.php\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\/","url":"https:\/\/c3.itec.aau.at\/index.php\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\/","name":"Paper accepted in the IEEE Transactions on Network and Service Management - C3","isPartOf":{"@id":"https:\/\/c3.itec.aau.at\/#website"},"datePublished":"2022-03-21T07:24:55+00:00","dateModified":"2022-03-21T07:25:27+00:00","author":{"@id":"https:\/\/c3.itec.aau.at\/#\/schema\/person\/40f037aaa2d1d20b5a6beb655d80c2ec"},"breadcrumb":{"@id":"https:\/\/c3.itec.aau.at\/index.php\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/c3.itec.aau.at\/index.php\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/c3.itec.aau.at\/index.php\/paper-accepted-in-the-ieee-transactions-on-network-and-service-management\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/c3.itec.aau.at\/"},{"@type":"ListItem","position":2,"name":"Paper accepted in the IEEE Transactions on Network and Service Management"}]},{"@type":"WebSite","@id":"https:\/\/c3.itec.aau.at\/#website","url":"https:\/\/c3.itec.aau.at\/","name":"C3","description":"The Carinthian Computing Continuum","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/c3.itec.aau.at\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/c3.itec.aau.at\/#\/schema\/person\/40f037aaa2d1d20b5a6beb655d80c2ec","name":"Dragi Kimovski","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/69f9c67e421b3ea3cb1096163c89fb751722295afb1ef52f18258722953e4d36?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/69f9c67e421b3ea3cb1096163c89fb751722295afb1ef52f18258722953e4d36?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/69f9c67e421b3ea3cb1096163c89fb751722295afb1ef52f18258722953e4d36?s=96&d=mm&r=g","caption":"Dragi Kimovski"},"url":"https:\/\/c3.itec.aau.at\/index.php\/author\/dragi\/"}]}},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"amoteam-general":false,"1536x1536":false,"2048x2048":false,"sydney-large-thumb":false,"sydney-medium-thumb":false,"sydney-small-thumb":false,"sydney-service-thumb":false,"sydney-mas-thumb":false},"uagb_author_info":{"display_name":"Dragi Kimovski","author_link":"https:\/\/c3.itec.aau.at\/index.php\/author\/dragi\/"},"uagb_comment_info":0,"uagb_excerpt":"Title: FaaScinating Resilience for Serverless Function Choreographies in Federated Clouds Authors: Sasko Ristov, Dragi Kimovski, Thomas Fahringer Abstract: Cloud applications often benefit from deployment on serverless technology Function-as-a-Service (FaaS), which may instantly spawn numerous functions and charge users for the period when serverless functions are running. Maximum benefit is achieved when functions are orchestrated in&hellip;","_links":{"self":[{"href":"https:\/\/c3.itec.aau.at\/index.php\/wp-json\/wp\/v2\/posts\/206","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/c3.itec.aau.at\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/c3.itec.aau.at\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/c3.itec.aau.at\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/c3.itec.aau.at\/index.php\/wp-json\/wp\/v2\/comments?post=206"}],"version-history":[{"count":2,"href":"https:\/\/c3.itec.aau.at\/index.php\/wp-json\/wp\/v2\/posts\/206\/revisions"}],"predecessor-version":[{"id":209,"href":"https:\/\/c3.itec.aau.at\/index.php\/wp-json\/wp\/v2\/posts\/206\/revisions\/209"}],"wp:attachment":[{"href":"https:\/\/c3.itec.aau.at\/index.php\/wp-json\/wp\/v2\/media?parent=206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c3.itec.aau.at\/index.php\/wp-json\/wp\/v2\/categories?post=206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/c3.itec.aau.at\/index.php\/wp-json\/wp\/v2\/tags?post=206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}