Wireshark-bugs: [Wireshark-bugs] [Bug 7615] Enhancemnt to GSM RLCMAC dissection adding dissectio
Date: Tue, 4 Sep 2012 03:57:49 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7615

--- Comment #20 from Harald Welte <laforge@xxxxxxxxxxxx> 2012-09-04 03:57:48 PDT ---
(In reply to comment #19)

> What about the proposed (not yet submitted) change from MCS coding to EGPRS
> header type in the channel type enumeration?
> 
> I can leave the gsmtap protocol as it is, or we can change it now.

We cannot introduce any changes to GSMTAP that break backwards compatibility. 
There are multiple tools that can generate GSMTAP traces, and they would all
have to be changed simultaneously.  Similarly, changing the encoding of the
field would render people unable to use old PCAP traces they took before.

So I would prefer to keep it as it is right now.

If we really want to introduce a new encoding, we would have to do this as a
new GSMTAP_TYPE_ and keep the old type as-is.  But I doubt it is worth the
required duplication of the code.

Regards,
Harald

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