4G steps towards moving into world of network slicing with different options to utilize the opportunities which cloud/ virtualization market unleashing. Final destination to 5G architecture, where the network slicing is build-in with NSSF introduction in 3GPP. CUPS – Control User Place Separation of 4G network. This attempts to separate the Control and User Place at SGW/ PGW to achieve better control and resource requirements for network deployments. (e)DÉCOR – (enhanced) Dedicated Core Network allocation DÉCOR – R13 (No UE Changes, UE Usage Type parameter in Subscription Data … /// describes UE usage characteristics that enables the selection of a specific Dedicated Core Network (DCN).… MME uses it to map to DCN value. DCN selection at ENodeB Messages where it can be contained ULR (MME-> HSS) / IDR (HSS -> MME) / Reset (HSS -> MME) Authentication Information Answer (AIA – S6A) 29272 – S6A spec - If the MME or SGSN supports the Dedicated Core Netwo...
technical topics of interest and mostly centric to telecom domain ..