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    RE: iSCSI:Async Message PDU



    >Julian will doubtless pick up the rest of these,
    >but I thought I'd take this issue, since it was
    >part of what we did in Orlando.
    >
    >> 4. Somehow, "Asynchronous Message" seems at odds with the rest of the
    >> usage in the draft in regards to PDUs (since a message is introduced as
    >> PDU in section 1.2).  Should we may be just call it an AEN PDU?  Section
    >> 2.14.3 calls this so.  (I realize that it may not always result in a 
    >> SCSI-level AER.)
    >
    >One of the things we did in Orlando was to change
    >some of the terminology with the goal of each term and
    >acronym being unambiguously owned by a single layer
    >in the protocol stack, in particular making a sharp
    >distinction between SCSI concepts and iSCSI mechanisms.
    >
    >All the *RN entities changed to *SN for this reason
    >(SCSI has a CmdRN, so all *RN entities are SCSI, and
    >all *SN entities are iSCSI).  Similarly, all AE*
    >entities are SCSI, and we went with "Asynchronous
    >Message <*>" to name the iSCSI entities.  This matters
    >here because there are circumstances in which iSCSI
    >will send Asynchronous Message PDUs for its own use
    >even when SCSI has disabled AER.  The usage of "AEN
    >PDU" in 2.14.3 is probably an editing oversight.
    >Suggestions for words to use instead of "Message"
    >are welcome, but they must not start with the letter
    >"E" ;-).
    
    I see what you're saying.  My point was that "Asynchronous
    Message PDU" is redundant.  Should we just call it 
    "Async PDU"/ "Async Indication PDU"?
    
    BTW, doesn't a similar rule apply for SACK?  
    
    Thanks.
    
    >
    >Thanks,
    >--David
    >
    
    
    --
    Mallikarjun 
    
    
    Mallikarjun Chadalapaka
    Networked Storage Architecture
    Network Storage Solutions Organization
    MS 5668	Hewlett-Packard, Roseville.
    cbm@rose.hp.com
    


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Last updated: Tue Sep 04 01:05:28 2001
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