[This message was posted by Russell Curry of Assimilate Technology, Inc. <[email protected]> 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/86e1657f - PLEASE DO NOT REPLY BY MAIL.]
> Hi, I'm fairly new to FIX. I've used APIs which hide much of the > protocol, but haven't done much with the wire level protocol itself. > > Mainly as a learning exercise, I'd like to implement a simple FIX > engine (although I know QuickFix/J is available as a free and > production level engine). > > I've printed out the 4.2 spec, but am overwhelmed at the idea of going > through all the version. > > Are there any documents which simply list the differences between > the versions? > > Am I basically correct in assuming that the session level protocol is > the same for all versions and that the changes are limited to > application level messages? > > I'm a little confused about the relationship between version 5 and the > FAST protocol. Does 5 use FAST or is FAST simply a session level > protocol and all versions (the application level parts) can be made to > sit on top of FAST? > > Thanks Hi Shahbaz, You're doing the right thing - there's nothing wrong with simply starting with one of the more popular versions of FIX, such as 4.2, and staying with that for a while as you learn more about message processing and so on. In fact, if you're just in learning mode, I might suggest you jump right in to FIX 5.0; if you are writing programs and generating source code that you may want to use again later on, you'll find that it's a lot easier to retrofit 5.0 code for 4.x versions than it is the other way around... Regards, Russ [You can unsubscribe from this discussion group by sending a message to mailto:[email protected]] --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Financial Information eXchange" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/FIX-Protocol?hl=en -~----------~----~----~----~------~----~------~--~---
