Evolved Packet Core - Home Subscriber Server (HSS)

 NextEPC is a C-language Open Source implementation of the 3GPP Evolved
 Packet Core, i.e. the core network of an LTE network.
 .
 This package provides the HSS (Home Subscriber Server) element of the
 EPC, i.e. the central database of mobile network subscribers, with
 their IMSI, MSISDN, cryptographic key materials, service subscription
 information, etc. It implements the S6a interface towards the MME
 using the DIAMETER protocol.