Astrova, IrinaKoschel, ArneGatziu Grivas, StellaSchaaf, MarcHellwich, IljaKasten, SvenVaizovic, NedimWiens, ChristophLloret Mauri, JaimeMartinez, GregorioBerntzen, LasseSmedberg, Åsa2015-10-052015-10-052012-02-01http://hdl.handle.net/11654/8641Active mechanisms are used for the coordination (e.g., scalability) of IT resources in clouds. In this paper, we give an overview of existing technologies and products – viz., OM4SPACE Activity Service, RESERVOIR, Amazon SNS, IBM Tivoli Live Monitoring Service, Zimory and PESA – that can be used for providing active mechanisms in cloud environments. Our overview showed that these technologies and products mainly differ in the architectures they support and the cloud layers they provide.en-UK330 - Wirtschaft005 - Computer Programmierung, Programme und Daten04B - Beitrag Konferenzschrift109-114