Floating License Sharing System in Grid Environment
SKG '05 Proceedings of the First International Conference on Semantics, Knowledge and Grid
Research on Software License Manager and Sharing System in Grid
GCCW '06 Proceedings of the Fifth International Conference on Grid and Cooperative Computing Workshops
Sharing Software Resources with Floating License In Grid Environment
NPC '07 Proceedings of the 2007 IFIP International Conference on Network and Parallel Computing Workshops
GenLM: License Management for Grid and Cloud Computing Environments
CCGRID '09 Proceedings of the 2009 9th IEEE/ACM International Symposium on Cluster Computing and the Grid
Implementing digital right management in P2P content sharing system
ICA3PP'07 Proceedings of the 7th international conference on Algorithms and architectures for parallel processing
Key techniques of software sharing for on demand service-oriented computing
GPC'06 Proceedings of the First international conference on Advances in Grid and Pervasive Computing
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Until recently the use of applications requiring a software license for execution was quite limited in distributed environments. Due to the mandatory centralised control of license usage at application runtime, e.g. heartbeat control by the license server running at the home site of a user, traditional software licensing practices are not suitable especially when the distributed computing infrastructure stretches across administrative domains. In this paper we present a novel approach for managing software licenses as web service resources in distributed service oriented environments. Licenses become mobile objects, which may travel to the environment where required to authorise the execution of a license protected application. A first implementation has been realised for dynamic Grid environments in the European SmartLM project co-funded by the European Commission. The SmartLM solution decouples authorisation for license usage from authorisation for application execution. All authorisations are expressed as and guaranteed by Service Level Agreements. We will present the core technology, discuss various security aspects and how they are addressed in the SmartLM prototype, and present the evaluation of the prototype through a number of usage scenarios. Finally, we will give an outlook on specific issues and current work extending the solution to Clouds and service based systems in general.