Ggsn And Sgsn In Telecom. Posts about GGSN written by akkilive. The mobility management and authentication of the users. In case the SGSNs exist in different PLMN than the GGSNs this interface name will be the Gp interface The protocol stack for GnGp interface shows that it uses TCPIP in. Physically it can be routed in a variety of four ways.
A mobile network operator deploys GGSN in-home PLMN as a gateway to provide internet service to a mobile subscriber. The Serving GPRS Support Node SGSN is a main component of the GPRS network which handles all packet switched data within the network eg. The GGSN forms the gateway to the outside world. It is responsible for mobility management billing and the management of data sessions. GGSN full form is GPRS support Node. SGSN is the packet-switched equivalent of the MSC and works alongside the MSC to enable mobile data services.
Used for coordinating the functions of SGSN and VLR when and Mobile has both GSM and GPRS services.
This is optional interface. The SGSN will resolve the GGSN IP address that it should use for this APN. GGSN selection based on the APN The SGSN selects the GGSN based on the APN that the MS should connect to. It is responsible for mobility management billing and the management of data sessions. SGSN Serving GPRS Support Node Ein SGSN ist per Frame Relay oder IP mit einem oder mehreren Packet Control Units PCU verbunden Gb-Schnittstelle welche die Verbindungselemente zum GSM EDGE Radio Access Network GERAN darstellen. On the network side GGSN has a GTP protocol-based interface towards the roaming network.