Change in ...osmo-bsc[master]: manual: Update statements regarding SCCPlite

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laforge gerrit-no-reply at lists.osmocom.org
Wed Sep 4 18:49:19 UTC 2019


laforge has submitted this change and it was merged. ( https://gerrit.osmocom.org/c/osmo-bsc/+/15402 )

Change subject: manual: Update statements regarding SCCPlite
......................................................................

manual: Update statements regarding SCCPlite

SCCPlite is long supported (again) by osmo-bsc, let's remove the
outdated pointers to osmo-bsc-sccplite.

Change-Id: Ia3d831aca7c3c7ef9f257e974faf6e8e360c59f5
---
M doc/manuals/chapters/overview.adoc
1 file changed, 7 insertions(+), 14 deletions(-)

Approvals:
  Jenkins Builder: Verified
  pespin: Looks good to me, but someone else must approve
  daniel: Looks good to me, but someone else must approve
  laforge: Looks good to me, approved



diff --git a/doc/manuals/chapters/overview.adoc b/doc/manuals/chapters/overview.adoc
index 869bd26..a27b0bf 100644
--- a/doc/manuals/chapters/overview.adoc
+++ b/doc/manuals/chapters/overview.adoc
@@ -39,14 +39,13 @@
 Osmocom offers two variants of the 'A' interface's protocol stacking:
 
 - 'BSSAP/SCCPlite'
-- 'BSSAP/SCCP/M3UA'
+- 'BSSAP/SCCP/M3UA' (called AoIP)
 
 Traditionally, OsmoBSC only implemented the BSSAP/SCCPlite protocol, but since a
-proper M3UA implementation is available from 'libosmo-sigtran'
-('libosmo-sccp.git'), the stock OsmoBSC now supports only BSSAP/SCCP/M3UA. (The
-idea is that SCCPlite support may be added to libosmo-sigtran at some point
-in the future, after which the new `osmo-bsc` would support both variants of
-the A interface.)
+proper M3UA implementation became available in 2017 as part of 'libosmo-sigtran'
+('libosmo-sccp.git'), the stock OsmoBSC now supports BSSAP/SCCP/M3UA.  SCCPlite
+support has been subsequently added to libosmo-sigtran in 2018, and now both
+variants of the 'A' interface are supported by `osmo-bsc`.
 
 The difference between an BSSAP/SCCPlite and BSSAP/SCCP/M3UA is illustrated in
 <<fig-sccplite>> and <<fig-sccp-m3ua>>.
@@ -54,16 +53,12 @@
 ===== BSSAP/SCCPlite
 
 Unlike classic A interface implementations for E1 interfacs,
-`osmo-bsc-sccplite` implements a variant of encapsulating the A interface over
+`osmo-bsc` implements a variant of encapsulating the A interface over
 IP.  To do so, the SCCP messages are wrapped in an IPA multiplex and then
 communicated over TCP.  The audio channels are mapped to RTP streams.
 
 This protocol stacking is sometimes called "SCCPlite".
 
-At the time of writing, if you would like to use the old BSSAP/SCCPlite protocol,
-look for binary packages named `osmo-bsc-sccplite`, or compile `osmo-bsc` from
-the 'openbsc.git' repository.
-
 [[fig-sccplite]]
 .`osmo-bsc-sccplite` operation using 'BSSAP/SCCPlite'
 [graphviz]
@@ -98,9 +93,7 @@
 |IP
 |=====
 
-To use the now-default BSSAP/SCCP/M3UA protocol, look for binary packages named
-`osmo-bsc`, or compile `osmo-bsc` from the 'osmo-bsc.git' repository. It is
-recommended to use the M3UA variant, which is required to operate with OsmoMSC.
+It is recommended to use the M3UA variant, which is required to operate with OsmoMSC.
 
 To route SCCP/M3UA messages between OsmoBSC and and MSC, an STP instance like
 OsmoSTP is required.

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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: Ia3d831aca7c3c7ef9f257e974faf6e8e360c59f5
Gerrit-Change-Number: 15402
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: daniel <dwillmann at sysmocom.de>
Gerrit-Reviewer: laforge <laforge at gnumonks.org>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: merged
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