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4.1 Changes
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Re: Intermittent Heartbeats
David Rhodes / TransactTools
27 May 2005 12:11PM ETI agree that it's ideal if the heartbeat comes back with the exact value from the test request in tag 112. However, I wouldn't make that a hard-and-fast requirement, since you would not want to end up timing out and dropping a connection who did actually respond to your test request, but failed to put in the exact value from tag 112.
David Rhodes
TransactTools
> I would say that a heartbeat with tag 112 MUST be sent back in response
> to a test request. Test requests are also known as Pings (you can look
> at the time difference between test request and response).
> > To add on to the points already mentioned, Heartbeats can also be sent
> > in response to a Test Request message.
> >
> > A counterparty can issue a Test Request to verify connection status.
> > Its proper FIX to respond to a Test Request, with a HeartBeat message.
> > This HB message will reference a Test Request ID(Tag 112).
> >
> > This can occur within the set HeartBeat interval and may be initially
> > viewed as a randomly sent message.
> >
> > > Heartbeats are only required when no other messages have been sent
> > > for the Heartbeat Interval, in your case 60 seconds. For example, if
> > > a counter- party is sending FIX messages (such as FIX order
> > > traffic), they do not need to send Heatbeats until they have stopped
> > > sending any other traffic for 60 seconds.
> > >
> > > Regards, Greg.
> > >
> > > > Hi All,
> > > >
> > > > I'm fairly new to FIX and have started work on a live messaging
> > > > hub where I've noticed that some clients are experiencing
> > > > intermittent Heartbeats. This occurs where a client send a login
> > > > message with a Heartbeat interval time of (on average) 60 seconds.
> > > > They may happily send messages for most of the day, receiving
> > > > Heartbeats every minute and then suddenly not recieved any
> > > > Heartbeats for the next three minutes as messaging continues.
> > > >
> > > > Are Heartbeats prone to 'interference' or delay of some kind?
> > > >
> > > > Thanks in advance.
> > > >
> > > > Cameron
Re: Intermittent Heartbeats
David Rhodes / TransactTools 27 May 2005 12:11PM ET
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