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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: Question regarding SNACK and bidi transfersEddy, I will add a reference. It was also brought to my attention that we should state that the total limit for R2T and Data is 2**32. I will add those to the text Thanks, Julo
It wouldn't really have to be repeated but I don't think 9.8.1 and 9.7 should say something other than "(starting with 0"). I just didn't know the best way to suggest the clarification. Maybe something more light, like "except when used with bidirectional commands (see section 2.2.2.3)". The problem with a blanket statement like "(starting with 0)" is that one can easily miss the other section contradicting it. Eddy -----Original Message----- From: Julian Satran [mailto:Julian_Satran@il.ibm.com] Sent: Wednesday, June 19, 2002 11:35 AM To: Eddy Quicksall Cc: ips@ece.cmu.edu; Bill Studenmund Subject: RE: Question regarding SNACK and bidi transfers Eddy, In fact 2.2.2.3 contains: For bidirectional commands, the target uses the DataSN/R2TSN to sequence Data-In and R2T PDUs in one continuous sequence (undifferentiated). Do you think I should repeat this in 9.8.1 and 9.7 ? Julo
Julo, Since the answer to the 2nd question is "yes" (see your EMAIL with subject "Emailing: msg10874.txt"), then I think the spec should make that more clear in sections 9.8.1 and 9.7. Perhaps in section 9.8.1, it should say something like "Except, when used with a bidirectional command and SNACK is being supported, the R2TSN must start with a number that couples the R2TSN and DataSN together as one continuous sequence". And a similar statement added to 9.7. Eddy -----Original Message----- From: Bill Studenmund [mailto:wrstuden@wasabisystems.com] Sent: Tuesday, June 18, 2002 7:56 PM To: ips@ece.cmu.edu Subject: Question regarding SNACK and bidi transfers I have a question about SNACK type 0 requests. In the text, they are described as being for Data-In PDUs or R2T PDUs. For a bidi command, how do you know which? Does this mean that for a bidi command, data-in and R2TSNs have to be mutually-unique (i.e. drawn from the same pool)? Take care, Bill
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