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    RE: iSCSI: NOP-In



    See inline below. Pat
    
    -----Original Message-----
    From: John Hufferd [mailto:hufferd@us.ibm.com]
    Sent: Monday, May 13, 2002 9:15 AM
    To: Eddy Quicksall
    Cc: ips
    Subject: RE: iSCSI: NOP-In
    
    
    
    Eddy, et.al.
    Initiators can not originate a ping with data.  But it can echo a ping with
    ^^^^^^^^^^
    Targets ??
    data.  That is, it can reflect back to the initiator, via a NOP-In, the
    data that was sent to it within a NOP-Out from the initiator.  However, the
    target may not originate a ping via a NOP-In and include Data.
    
    This was done, if I remember the history correctly, because initiators are
    never prepared to accept unsolicited data of any kind.  They always solicit
    data if they are to receive it.  Hence, an unsolicited NOP-In with data,
    seemed to some to be problematical, and that capability was removed.
    
    .
    .
    .
    John L. Hufferd
    Senior Technical Staff Member (STSM)
    IBM/SSG San Jose Ca
    Main Office (408) 256-0403, Tie: 276-0403,  eFax: (408) 904-4688
    Home Office (408) 997-6136, Cell: (408) 499-9702
    Internet address: hufferd@us.ibm.com
    
    


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