Re: [Quickfix-developers] Order Types/ FIX Codes

[Oren M. <or...@qu...>]

A convenient solution for most systems, if you don't want to put a  
lot of effort into it, is to use the value of the MsgSeqNum.  If you  
are worried about sequence resets, pair it with a time value.

--oren

On Oct 5, 2005, at 9:25 AM, Caleb Epstein wrote:

> On 10/5/05, Shankar Krishnan <skr...@jw...> wrote:
> What is the normal method used to generate ClOrdID, is using the  
> random number gen valid or should I use something
> More robust.
>
> Most exchanges and sell-side systems expect every ClOrdID to be  
> unique for a given session and will reject or ignore duplicates.   
> Using a random number generator isn't a very good idea unless you  
> can be sure it doesn't repeat.  Most systems use either a simple  
> increasing sequence number or something like the NYSE DOT system's  
> branch code + sequence number convention (AAA 0001, AAA 0002, ...  
> ZZZ 9999).
>
> -- 
> Caleb Epstein
> caleb dot epstein at gmail dot com