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    RE: is 1 Gbps a MUST?

    There will be folks that will operate on 100 Mb/s links and will use iSCSI
    with Encryption.  To say that they do not comply with the spec, for that
    reason, is a bit silly.
    Likewise, I believe there will be many desktops and laptops that will
    support 10/100/1000 ethernet adapters and be thrilled with 300 Mb/s, it is
    also not reasonable to say that they can not claim compliance.
    The spec is intended to say that the protocol must be capable of being
    supported at 1 Giga bit per second.  I think most of us agree that it is.
    So to say that those folks that do not operate at gigabit speed are non
    compliant is inappropriate.
    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:
     on 02/22/2002 10:54:15 AM
    Sent by:
    Subject:    RE: is 1 Gbps a MUST?
    Hi Fred,
    |I won't respond to the wording of the draft, but to the sense
    |that it must
    |be intended to convey. If the wording doesn't convey this, it is the
    |wording which must change.
    |It seems to me that if the transfer of encrypted data at
    |nominal link rates
    |is expected, then encryption and decryption must be achieved
    |at link rates.
    |If 1 GBPS link rates are in view, guess what rates are
    |important. If 10 GBPS...
    Unfortunately some believe that they can be iSCSI compliant by having a
    implementation of IPSec and claiming that most traffic will not require
    security processing. I am not one of those persons. I think that at least
    the policy check must occur at link speed regardless of what proportion of
    traffic requires security processing.
    |It seems to me that the question is not whether or not you are
    |mandated to
    |implement IPSEC in software, but what you need to do to
    |accomplish link
    |speed encryption and decryption. Hardware and software are
    |duals; you can
    |implement the algorithm either way, and the trade-off is money
    |vs speed.
    I agree, and I did not mean to imply otherwise. I am trying to gather
    opinions from this group on whether link speed encryption/decryption is
    necessary, especially now that Bernad Aboba has clarified that the spec
    not mandate it.


Last updated: Fri Feb 22 17:18:02 2002
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