OsmoSGSN » History » Version 9
laforge, 02/21/2016 03:21 PM
1 | 7 | laforge | {{>toc}} |
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2 | 1 | laforge | |
3 | 7 | laforge | h1. [[OsmoSGSN]] |
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5 | 1 | laforge | Serving GPRS Support Node (SGSN). As such it implements the GPRS Mobility Management (GMM) and SM (Session Management). |
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7 | 7 | laforge | The SGSN connects via the Gb-Interface to the BSS (like the [[osmo-pcu]] or an ip.access nanoBTS), and it connects via the GTP protocol |
8 | to a Gateway GPRS Support Node (GGSN) like [[OpenGGSN]]. |
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9 | 1 | laforge | |
10 | 7 | laforge | [[OsmoSGSN]] is part of the openbsc git repository. In order to build it, you will need a libgtp installation from the |
11 | [[OpenGGSN]] project. |
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12 | 1 | laforge | |
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14 | 7 | laforge | h2. Setup / Configuration |
15 | 1 | laforge | |
16 | 9 | laforge | For more information regarding the setup + configuration, refer to [[cellular-infrastructure:OpenBSC_GPRS]] |
17 | 7 | laforge | |
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20 | h2. TODO list |
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22 | * use the [[OsmoNITB]] HLR to identify (and possibly authenticate) subscribers |
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23 | * secondary PDP contexts |
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24 | * persistent storage of GMM and SM state |
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25 | * recovery from GGSN outages |
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26 | * SNDCP header and data compression |
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27 | * use proper XID exchange and actually use the results to configure the LLC SAPIs |
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28 | * GEA3 encryption |
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29 | * SMS delivery via GPRS |
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30 | * network-initiated PDP context activation |