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Harald Welte gerrit-no-reply at lists.osmocom.orgReview at https://gerrit.osmocom.org/3543 Add VTY port number for GGSN Change-Id: I199f0d10b819215442885629ffc9955c949133ca --- M OsmoBSC/aoip-mgw-options.adoc M common/chapters/port_numbers.adoc 2 files changed, 57 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-manuals refs/changes/43/3543/1 diff --git a/OsmoBSC/aoip-mgw-options.adoc b/OsmoBSC/aoip-mgw-options.adoc index 8ce3b91..79de15b 100644 --- a/OsmoBSC/aoip-mgw-options.adoc +++ b/OsmoBSC/aoip-mgw-options.adoc @@ -75,3 +75,59 @@ ---- include::mgw/osmo-bsc-new-mgw-e1.msc[] ---- + + +== BSC Design Notes + +=== channel assignment FSM + +* have a FSM for a channel assignment +** started by BSSAP ASSGN REQ from MSC +** RF channel allocation +** RSL channel activation +** MGCP for A side (AoIP) +** MGCP for Abis side to bsc-mgcp +** IPA RSL xxCX (Abis/IP) +** queueing? + +* should this simply be a 'lchan fsm'? +* should lchan be separate sub-fsm? +* each MGCP operation sub-fsm? + +=== MGCP CallAgent Endpoint FSM + +* Transmit + Retransmit CRCX, MDCX, DLCX +* Receive ACK/NACKs +* user API to create/modify/delete + +=== IPA xxCX CallAgent Endpoint FSM + +* Transmit + Retransmit CRCX, MDCX, DLCX +* Receive ACK/NACKs +* user API to create/modify/delete +** share that API/SAP with MGCP CA + +=== lchan FSM + +* Transmit RSL CHAN ACT +* Receive RSL CHAN ACT ACK/NACK +* SAPI handling? + + +== MGW Design Notes + +=== Functionality + +* use libosmo-abis to open traffic E1/T1 slots +* subch_demux for 16k sub-slots +* TRAU frame parsing/generation for all codecs +* fully controlled by MGCP +* different endpoint classes +** endpoints to PCM ports +** endpoints attached to 'RTP packet bridge' +** osMUX endpoints +* transcoding between codecs +* de-jitter + + +=== MGCP MGW Endpoint FSM diff --git a/common/chapters/port_numbers.adoc b/common/chapters/port_numbers.adoc index d5cba8f..08d9b3c 100644 --- a/common/chapters/port_numbers.adoc +++ b/common/chapters/port_numbers.adoc @@ -34,6 +34,7 @@ |TCP|4257|Control Interface|ggsn (OpenGGSN) |TCP|4258|telnet (VTY)|osmo-hlr |TCP|4259|Control Interface|osmo-hlr +|TCP|4260|telnet (VTY)|ggsn (OpenGGSN) |UDP|4729|GSMTAP|Almost every osmocom project |TCP|5000|A/IP|osmo-bsc, osmo-bsc_nat |UDP|2427|GSMTAP|osmo-pcu, osmo-bts -- To view, visit https://gerrit.osmocom.org/3543 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: newchange Gerrit-Change-Id: I199f0d10b819215442885629ffc9955c949133ca Gerrit-PatchSet: 1 Gerrit-Project: osmo-gsm-manuals Gerrit-Branch: master Gerrit-Owner: Harald Welte <laforge at gnumonks.org>