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overview.adoc: update network diagram

The network diagram in the manual lacks the recently added co located
MGW.

Change-Id: Ica1782a407f6b944aa26748b54055168f5d250c3
Related: OS#5152
---
M doc/manuals/chapters/overview.adoc
1 file changed, 14 insertions(+), 10 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-hnbgw refs/changes/96/26796/1
diff --git a/doc/manuals/chapters/overview.adoc b/doc/manuals/chapters/overview.adoc
index 2368b4f..fa8dda0 100644
--- a/doc/manuals/chapters/overview.adoc
+++ b/doc/manuals/chapters/overview.adoc
@@ -15,16 +15,20 @@
[[fig-3g]]
.Typical 3G network architecture used with OsmoHNBGW
----
- +------------+ +--------+ +----------+ +---------+
- UE <-->| hNodeB |<--Iuh---->| HNB-GW |<--IuCS-->| OsmoMSC |<--GSUP-->| OsmoHLR |
- UE <-->| femto cell | ...-->| | ...-->| | | |
- | | | | +----------+ +---------|
- +------------+<--GTP-U | |
- \ | | +------+ +------+
- | | |<--IuPS-->| SGSN |<--GTP-C-->| GGSN |
- | +--------+ ...-->| | GTP-U-->| |
- | +------+ / +------+
- \_______________________________/
+ +------------+ +--------+ +---------+ +---------+
+ UE <-->| hNodeB |<----Iuh----->| HNB-GW |<--IuCS-->| OsmoMSC |<--GSUP-->| OsmoHLR |
+ UE <-->| femto cell | | | | | | |
+ | | | | +---------+ +---------+
+ | |<---IuPF--\ | |
+ | |<--GTP-U | | | +------+ +------+
+ +------------+ \ | | |<--IuPS-->| SGSN |<--GTP-C-->| GGSN |
+ | | +--------+ | | GTP-U-->| |
+ | | +------+ / +------+
+ | | +-----+ +-----+ |
+ | \-->| MGW |<----IuPF--->| MGW | |
+ | | | | | |
+ | +-----+ +-----+ |
+ \___________________________________/
----

The HNB-GW performs a translation interface between the IuCS/IuPS interfaces on the one hand

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Gerrit-Project: osmo-hnbgw
Gerrit-Branch: master
Gerrit-Change-Id: Ica1782a407f6b944aa26748b54055168f5d250c3
Gerrit-Change-Number: 26796
Gerrit-PatchSet: 1
Gerrit-Owner: dexter <pmaier@sysmocom.de>
Gerrit-Reviewer: pespin <pespin@sysmocom.de>
Gerrit-MessageType: newchange