[This message was posted by Dennis Wiatzka of Nasdaq OMX 
<dennis.wiat...@nasdaqomx.com> to the "General Q/A" discussion forum at 
http://fixprotocol.org/discuss/22. You can reply to it on-line at 
http://fixprotocol.org/discuss/read/66659ab4 - PLEASE DO NOT REPLY BY MAIL.]

> The Nordic Growth Markets have submitted a proposal to allow the
> initiator to reset the MsgSeqNum in the Logon message (not only as part
> of 24-hour connectivity). Additionally the proposal also includes
> extensions for some error codes to convey that the session state is
> corrupt and a reset is required to restart the session.
> 
> The GTC co-chairs are soliciting feedback from the user community on
> this extension proposal.
> 
> Please post any comments to this thread. Please submit all feedback by
> Friday, June 4th.
> 
> A link to the proposal can be found at: http://www.fixprotocol.org/docu-
> ments/5164/NGM%20Logon%20Extension%20v02.pdf

This would potentially create enormous redevelopment costs for FIX compliant 
systems. Their implementations are predicated upon this sort of thing not being 
possible.

Further, it will be a bad thing to allow the remote party to force a reset the 
session during an active business cycle. Other than the "...only keeps a 
message history of X messages" the scenarios are bugs which should be fixed 
rather than worked around this way. Only keeping X messages seems to be a 
fundamental departure from the protocol.

I am not in favour of this proposal.

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