82 lines
2.5 KiB
Markdown
82 lines
2.5 KiB
Markdown
osmo-sgssn - Osmocom SGSN Implementation
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========================================
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This repository contains a C-language implementation of a GSM Serving GPRS
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Support Node (SGSN) for 2G (GSM) and 3G (UMTS). It is part of the
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[Osmocom](https://osmocom.org/) Open Source Mobile Communications
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project.
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OsmoSGSN exposes
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* Gb towards PCUs (e.g. OsmoPCU): Various GbIP flavors + Gb/FR/E1
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* GTP towards a GGSN (e.g. OsmoGGSN);
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* IuPS over IP towards RNCs / HNBGW (e.g. osmo-hnbgw)
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* The Osmocom typical telnet VTY and CTRL interfaces.
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* The Osmocom typical statsd exporter.
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* GSUP (custom MAP-like protocol) towards osmo-hlr
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OsmoSGSN implements
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* GPRS mobility management
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* GPRS session management
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Homepage
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--------
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You can find the OsmoSGSN issue tracker and wiki online at
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<https://osmocom.org/projects/osmosgsn> and <https://osmocom.org/projects/osmosgsn/wiki>.
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GIT Repository
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--------------
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You can clone from the official osmo-sgsn.git repository using
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git clone https://gitea.osmocom.org/cellular-infrastructure/osmo-sgsn
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There is a web interface at <https://gitea.osmocom.org/cellular-infrastructure/osmo-sgsn>
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Documentation
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-------------
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User Manuals and VTY reference manuals are [optionally] built in PDF form
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as part of the build process.
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Pre-rendered PDF version of the current "master" can be found at
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[User Manual](https://ftp.osmocom.org/docs/latest/osmosgsn-usermanual.pdf)
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as well as the [VTY Reference Manual](https://ftp.osmocom.org/docs/latest/osmosgsn-vty-reference.pdf)
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Mailing List
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------------
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Discussions related to osmo-sgsn are happening on the
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osmocom-net-gprs@lists.osmocom.org mailing list, please see
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<https://lists.osmocom.org/postorius/lists/osmocom-net-gprs.lists.osmocom.org/> for subscription
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options and the list archive.
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Please observe the [Osmocom Mailing List
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Rules](https://osmocom.org/projects/cellular-infrastructure/wiki/Mailing_List_Rules)
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when posting.
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Contributing
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------------
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Our coding standards are described at
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<https://osmocom.org/projects/cellular-infrastructure/wiki/Coding_standards>
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We us a gerrit based patch submission/review process for managing
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contributions. Please see
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<https://osmocom.org/projects/cellular-infrastructure/wiki/Gerrit> for
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more details
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The current patch queue for osmo-sgsn can be seen at
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<https://gerrit.osmocom.org/#/q/project:osmo-sgsn+status:open>
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History
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-------
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OsmoSGSN originated from the OpenBSC project, as a separate program within
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openbsc.git. In 2017, OpenBSC was split in separate repositories, and hence
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OsmoSGSN was given its own separate git repository.
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