Vladimir Yussupov Uwe Breitenbücher Frank Leymann Christian Müller Facing the Unplanned Migration of Serverless Applications: A Study on Portability Problems, Solutions, and Dead Ends. 273-283 2019 UCC https://doi.org/10.1145/3344341.3368813 conf/ucc/2019 db/conf/ucc/ucc2019.html#YussupovBLM19