Attention is currently required from: pespin, dexter.

laforge has posted comments on this change. ( 
https://gerrit.osmocom.org/c/osmo-pcu/+/32049 )

Change subject: doc: Add details regarding BSC co-location
......................................................................


Patch Set 3:

(1 comment)

File doc/manuals/chapters/overview.adoc:

https://gerrit.osmocom.org/c/osmo-pcu/+/32049/comment/721f2b95_68d3b2ef
PS2, Line 12: In small base stations, the PCU is usually co-located inside the 
BTS. In this
> Hmm. I am also not sure about this. I wonder how it is with large IP based 
> BTS. […]
Size has nothing to do with it.  It's an architectural decision.  The latency 
of GPRS on the radio interface is so high that you don't really care about the 
(usually super short) latency of a terrestrial CCU-PCU backhaul.

The main reason for old/established vendors' PCU being BSC-colocated is, I 
guess, for backwards copatibility (we've always done it that way, our codebase 
is built around the assumption) and also the fact that in network-assisted or 
network-controlled cell changges or actual hand-over in GPRS it is much easier 
to do from an element that has all the state of the neighbor cells, vs. just 
the state of one cell.

Please remove the notion of "small" here. You can write "In most 
OsmoPCU-supported base stations" or something like that, which is certainly 
true.



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Gerrit-Project: osmo-pcu
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