Subject: [Megaco] Maximum MGC message buffer size

From: Hebden Ed-bluw41 <[email-masked]>
Date: Fri, 19 Jul 2002 13:00:12 +0100

Hi List

There has been much discussion of what the MG should do when a message's length exceeds the maximum message length allowed. The assumption here is that this length is 64kBytes as there is only a 2byte field available for the message length. This does not take account however of MGCs for which the maximum message length is less that 64k. For example we are using a windows based test tool to act as an MGC for some of our testing, this has a maximum message buffer size of 4096bytes due to a limitation of the windows socket layer.

Whilst a windows based MGC is unlikely shouldn't the protocol either:
- Explicitely say that the maximum message length must be 64k, or
- provide a mechanism by which the MGC tells the MG what the maximum message length is. One possibility would be for another property in the Base Root Package: maximumMGCBufferLength.

Does anyone have a view on this?

Ed Hebden

Motorola Computer Group
Loughborough PArk
Ashby Road
Loughborough
Leics
LE11 3NE
01509 634373

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