网络释义
1)Interface between GPRS Support Nodes (GSNs) within a PLMN Gn interface,同一PLMN内GPRS支持节点间的接口2)Interface between GPRS Support Nodes (GSNs) in different,不同PLMN间GPRS支持节点间的接口3)GSN(GPRS Support Node),GPRS支持节点4)gateway general package radio service support node,网关GPRS支持节点5)Gateway GPRS Support Node(GGSN),GPRS支持节点网关6)Serving GPRS Support Node SGSN,服务GPRS支持节点