[This message was posted by Dale Wilson of Object Computing, Inc <[email protected]> to the "FAST Protocol" discussion forum at http://fixprotocol.org/discuss/46. You can reply to it on-line at http://fixprotocol.org/discuss/read/bbd31b54 - PLEASE DO NOT REPLY BY MAIL.]
Sajith, David is correct. In fact the cleanest way to handle this is to explicitly describe the length field of the sequence in the template using the <length> element. This lets you use the FIX field name and tag as the name and ID of the length field. Dale > > > > You're correct, you shouldn't send the number of repeated groups as a > > separate field in FAST. > > > > The practice to send the count as an ordinary field is an artifact > > of the FIX tag/value encoding and should be avoided when there are > > other intrinsic means to do this (like the sequence length preamble > > in FAST). > > > > /David > > > > > Hi, > > > > > > I have a question on communicating array sizes in FAST. I'm sending > > > a message with sub messages. > > > > > > When packing the parent message into the data buffer, if there are > > > repeating blocks, the number of repeating blocks will be included > > > prior to the repeating blocks according to the FAST implementation. > > > > > > Do I have to send the number of repeating blocks explicitly in a > > > separate field though that's anyway included in the data? > > > > > > As I feel, sending that count separately is duplicate. When > > > considering a large number of FAST clients this increases the > > > bandwidth utilization. > > > > > > I'm really grateful to you if you could help me in finding the > > > correct implementation. > > > > > > Thank you, Sajith [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 -~----------~----~----~----~------~----~------~--~---
