Chan, Anthony Hing-HungAnthony Hing-HungChanKaippallimalil, M. J.Saboorian, K. T.Xiang, Z.2022-06-222022-06-222018-08-14https://repository.sfu.edu.hk/handle/sfu/3474United States Patent No.: 10,051,527System and method embodiments are provided for evolved packet core cluster and session handling. In an embodiment, a method in a network component for cluster and session handling includes receiving, by a MC-C in a first resource pool in a cluster of resources, an attach request from a SORC for a PDN connection for a UE, the MC-C and the first resource pool selected by the SORC according to a UE address, a resource load, and an operator policy; configuring session control and gateway resources for a session for the UE; negotiating with a follower site to determine state information for a bearer context of the UE; synchronizing the state information with follower sites when a state is agreed upon by at least some of the follower sites; and forming an availability group according to a set of servers that hold replicated state information for the UE.entechnical documentation