queries Regarding Transport layer

sandeep taneja sandeep.taneja at mail.nsysinc.com
Fri Jun 30 00:33:41 PDT 2006

* From the T10 Reflector (t10 at t10.org), posted by:
* sandeep taneja <sandeep.taneja at mail.nsysinc.com>
Hello !!
Could anybody help me for solving some doubts in Transport layer.
I have few doubts regarding implementation of Transport layer state
I am referring to SAS2r03a 22 April 2006.
Following are queries :
1.How does ST_ITS state machine notify ST_IFR state machine that NAK or
ACK/NAK timeout have occurred for DATA frame corresponding to first
enable burst.Is it going to use same message as it is using for the DATA
frame corresponding to XFER_RDY frame? 
if yes, then message( Transmission complete(Data-out failed,NAK
received)corresponding to NAK & message Transmission complete(Data-out
failed,ACK/NAK Timeout)) ST_ITS uses to notify ST_IFR is given but How
ST_IFR will handle these message or notify Application layer about data
sending failure seems to be missing.
Sandeep Taneja
nSys Design Systems
Accelerating designs
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