Discussion Forums

re: heart beat and start of the day
Wing Chan / Reuters
6 Oct 2003 11:25AM ET

I understand that session layer has been dropped from standard FIX.

However, how does company implement such heart beat or start of the day when porting FIX to FIXML? e.g. using MQ.

Need some more information from you.

----------------
> > As I know, FIXML drops session layer and some admin. messages.
> >
> > So wanna know how can I do heart beat and how can I notice the start of the day?
>
> FIXML just describes business content. It does not define any kind of session layer, and it is expected that FIXML users will use some type of protocol or middleware that provides for reliable, ordered message delivery.
>
> A heartbeat doesn't have any place in FIXML. Determining if the other side is still alive is a session-level task left to the underlying protocol or middleware, which can inform the business application via some out-of-band means.
>
> If FIXML is transported inside Tag=Value FIX, then the FIX Engine will use heartbeats.
>
> FIXML does not have a Logon message, but that has nothing to do with start of day. I believe the message you need is Trading Session Status.
>


heart beat and start of the day
Wing Chan / Reuters   6 Oct 2003 6:47AM ET
re: heart beat and start of the day
Ryan Pierce / Townsend Analytics Ltd. / Archipelago LLC   6 Oct 2003 11:10AM ET
re: heart beat and start of the day
Wing Chan / Reuters   6 Oct 2003 11:25AM ET
re: heart beat and start of the day
Kevin Houstoun / Citigroup   6 Oct 2003 11:52AM ET
re: heart beat and start of the day
John Greenan / Alignment Systems   6 Oct 2003 12:48PM ET
re: heart beat and start of the day
Jim Northey / Chicago Board Options Exchange   6 Oct 2003 1:29PM ET
re: heart beat and start of the day
Wing Chan / Reuters   6 Oct 2003 9:28PM ET