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mgw: Fix endpoint names for new MGW 

According to RFC3435, an RTP bridge forrwarding packets, transcoding
or otherwise, is a single endpoint with two connections.  Let's treat
it as such.  We introduce the "rtpbridge/" prefix to identify such
special RTP endpoints.

Change-Id: Id1f079307225faf05d298dcb12aa1c421bfa680a
This commit is contained in:
Harald Welte 2017-08-17 16:31:47 +02:00 committed by Neels Hofmeyr
parent 1293ee10ba
commit d9400a977f
2 changed files with 16 additions and 16 deletions
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8
doc/manuals/mgw/osmo-bsc-new-mgw-e1.msc
View File

@ -17,9 +17,9 @@ msc {
ms <-> bsc [label="Assignment"];
...;
mgcp <- bsc [label="MGCP CRCX ts1/ss2@abis (MSC:4000)"];
mgcp <- bsc [label="MGCP CRCX ts1/ss2@mgw (MSC:4000)"];
mgcp box mgcp [label="Bind to MGW-local RTP Port (3000)\nConnect to MSC:4000"];
mgcp -> bsc [label="MGCP CRCX ts1/ss2@a OK (MGW:3000)"];
mgcp -> bsc [label="MGCP CRCX ts1/ss2@mgw OK (MGW:3000)"];
...;
bsc -> m_sc [label="BSSAP ASSGN CMPL (3GPP AoIP MGW:3000)"];
@ -44,7 +44,7 @@ msc {
bsc <- m_sc [label="SCCP RLSD"];
bsc -> m_sc [label="SCCP RLC"];
...;
mgcp <- bsc [label="MGCP DLCX ts1/ss2@a"];
mgcp <- bsc [label="MGCP DLCX ts1/ss2@mgw"];
mgcp box mgcp [label="Release MSC-facing local RTP port (3000)"];
mgcp -> bsc [label="MGCP DLCX ts1/ss2@a OK"];
mgcp -> bsc [label="MGCP DLCX ts1/ss2@mgw OK"];
}

24
doc/manuals/mgw/osmo-bsc-new-mgw.msc
View File

@ -20,19 +20,19 @@ msc {
bts <- bsc [label="IPA CRCX"];
bts box bts [label="Bind to BTS-local RTP Port (1000)"];
bts -> bsc [label="IPA CRCX ACK (BTS:1000)"];
bsc -> mgcp [label="MGCP CRCX 2@abis (BTS:1000)"];
bsc -> mgcp [label="MGCP CRCX rtpbridge/2@mgw (BTS:1000)"];
mgcp box mgcp [label="Bind to MGW-local RTP Port (2000)\nConnect to BTS:1000"];
bsc <- mgcp [label="MGCP CRCX 2@abis OK (MGW:2000)"];
bts <- bsc [label="IPA MDCX 2@abis (MGW:2000)"];
bsc <- mgcp [label="MGCP CRCX rtpbridge/2@mgw OK (MGW:2000)"];
bts <- bsc [label="IPA MDCX (MGW:2000)"];
bts box bts [label="Connect RTP socket to remote (MGW) RTP Port"];
bts -> bsc [label="IPA MDCX 2@abis ACK"];
#bsc -> mgcp [label="MGCP MDCX 2@abis (optional)"];
#bsc <- mgcp [label="MGCP MDCX 2@abis OK (optional)"];
bts -> bsc [label="IPA MDCX ACK"];
#bsc -> mgcp [label="MGCP MDCX rtpbridge/2@mgw (optional)"];
#bsc <- mgcp [label="MGCP MDCX rtpbridge/2@mgw OK (optional)"];
...;
mgcp <- bsc [label="MGCP CRCX 1@a (MSC:4000)"];
mgcp <- bsc [label="MGCP CRCX rtpbridge/2@mgw (MSC:4000)"];
mgcp box mgcp [label="Bind to MGW-local RTP Port (3000)\nConnect to MSC:4000"];
mgcp -> bsc [label="MGCP CRCX 1@a OK (MGW:3000)"];
mgcp -> bsc [label="MGCP CRCX rtpbridge/2@mgw OK (MGW:3000)"];
...;
bsc -> m_sc [label="BSSAP ASSGN CMPL (3GPP AoIP MGW:3000)"];
@ -57,13 +57,13 @@ msc {
bsc <- m_sc [label="SCCP RLSD"];
bsc -> m_sc [label="SCCP RLC"];
...;
mgcp <- bsc [label="MGCP DLCX 1@a"];
mgcp <- bsc [label="MGCP DLCX rtpbridge/2@mgw"];
mgcp box mgcp [label="Release MSC-facing local RTP port (3000)"];
mgcp -> bsc [label="MGCP DLCX 1@a OK"];
mgcp -> bsc [label="MGCP DLCX rtpbridge/2@mgw OK"];
bsc -> mgcp [label="MGCP DLCX 2@abis"];
mgcp <- bsc [label="MGCP DLCX rtpbridge/2@mgw"];
mgcp box mgcp [label="Release BTS-facing local RTP port (2000)"];
bsc <- mgcp [label="MGCP DLCX 2@abis OK"];
mgcp -> bsc [label="MGCP DLCX rtpbridge/2@mgw OK"];
bts <- bsc [label="IPA DLCX"];
bts box bts [label="Release BTS-local RTP port (1000)"];