OsmoSGSN » History » Revision 17
Revision 16 (laforge, 09/06/2017 11:47 AM) → Revision 17/28 (laforge, 10/21/2017 06:15 PM)
{{>toc}} h1. [[OsmoSGSN:]] Contact us via the osmocom-net-gprs@ mailing list, see [[Cellular Infrastructure:Mailing Lists]]. Contributions are welcome via [[Cellular Infrastructure:Gerrit]]. Git repository browser at https://git.osmocom.org/osmo-sgsn Serving GPRS Support Node (SGSN). As such it implements the GPRS Mobility Management (GMM) and SM (Session Management). The SGSN connects via the Gb-Interface to the BSS (like the [[OsmoPCU:]] or an ip.access [[OpenBSC:nanoBTS]]), and it connects via the GTP protocol to a Gateway GPRS Support Node (GGSN) like [[OpenGGSN:OsmoGGSN]]. [[OsmoSGSN:]] is available from the http://git.osmocom.org/osmo-sgsn/ repository. In order to build it, you will need a libgtp installation from the [[OpenGGSN:OsmoGGSN]] project. h2. Position in a typical Osmocom network {{graphviz_link() digraph G { rankdir = LR; OsmoBTS -> OsmoBSC [label="Abis/IP"]; OsmoBSC -> OsmoMSC [label="3GPP AoIP"]; OsmoBTS -> OsmoPCU [label="pcu_sock"]; OsmoPCU -> OsmoSGSN [label="Gb/IP"]; OsmoMSC -> OsmoHLR [label="GSUP"]; OsmoSGSN -> OsmoHLR [label="GSUP"]; hNodeB -> OsmoHNBGW [label="Iuh"]; OsmoHNBGW -> OsmoMSC [label="IuCS"]; OsmoHNBGW -> OsmoSGSN [label="IuPS"]; OsmoSGSN -> OsmoGGSN [label="Gp"]; OsmoGGSN -> Internet [label="Gi"]; OsmoSGSN [color=red]; } }} h2. Setup / Configuration For more information regarding the setup + configuration, refer to [[cellular-infrastructure:OpenBSC_GPRS]] h2. Manuals * User Manual: http://ftp.osmocom.org/docs/latest/osmosgsn-usermanual.pdf * VTY Reference: http://ftp.osmocom.org/docs/latest/osmosgsn-vty-reference.pdf h2. TODO list * secondary PDP contexts * persistent storage of GMM and SM state * recovery from GGSN outages * SMS delivery via GPRS * network-initiated PDP context activation