Description  Claims  Drawing  Cited references 

3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Telecommunication management; Study on network management of virtualized networks (Release 13)   [0003] 
Network Function Virtualization (NFV) Management and Orchestration;GS NFV-MAN 001   [0004] 
pCR MME overload mitigation by MME VNF procedure   [0005]