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Re: FIX session
Kevin Houstoun / HSBC Bank plc
29 Apr 2006 5:20AM ETFIX consists of a couple of layers (each layer is really a protocol in it’s own right), we have our session protocol used to deliver messages and our application protocol, the rules of business that describe the trading of securities etc.
There are currently two interoperable syntaxes in FIX, Tag = Value and FIXML, as defined by the FIXML Schema. Tag=Value is used into both of FIX’s layers, FIXML only exists for the application layer.
The tag = value syntax is normally used inside our transport called a FIX Session. The session has distinct rules to provide for the reliable delivery of messages between counterparties. There are what is David referring to in his earlier post.
The FIXML syntax can be used with our transport or session and we provide specific tags for this content. The FIXML syntax can also be used over other transports, it is used over MQ Series, MSMQ, Web Services, Http and others I’m sure. In these cases the details of delivery, session maintenance etc is all handled by that protocol.
Not sure this answers your question, but I thought it may be relevant as your posting on the FIXML discussion group.
Kevin Houstoun
Global Technical Committee Co Chair
Consultant to HSBC
> Hi
>
> Do you mean that there are no implementation for this requirement or it
> is optional to implement? Can you give me a desription for this
>
> Thanks
>
> Imen Ghribi / Vermeg services ighribi@vermeg.com
Re: FIX session
Kevin Houstoun / HSBC Bank plc 29 Apr 2006 5:20AM ET
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