Re: Satellites running IP

From: William Ivancic ([email protected])
Date: Fri Jun 14 2002 - 16:02:43 EDT

  • Next message: Lloyd Wood: "Re: Satellites running IP"

    At 08:26 PM 6/14/02 +0100, you wrote:
    >On Fri, 14 Jun 2002, William Ivancic wrote:
    >
    > > > When rate-based, SCPS-TP is still sending TCP-style packets, so the
    > > >protocol identifier is valid.
    > >
    > > I disagree. IMHO, one should not knowingly advertise a protocol number if
    > > one is not conforming to those protocol characteristics.
    >
    >well, that would be enough to kill pwe3 work entirely if anyone there
    >agreed with that.

    If I read the workings of this group correctly, it is more like gateway
    implementations were one knows the network between the gateways and is
    controlling things appropriately.

    > > IMHO, SCPS should advertise it's own protocol number when
    > > running rate-based, no congestion control.
    >
    >just so that any assumptions made by intermediate systems hold true?
    >not very e2e of you.

    ??? I don't understand the comment. I'm taking SCPS-TP end-to-end, not
    SCPS-TP as a gateway.

    >And I don't see
    >http://www.ietf.org/internet-drafts/draft-floyd-tcp-highspeed-00.ps
    >http://www.ietf.org/internet-drafts/draft-floyd-tcp-highspeed-00.txt
    >advocating a new protocol number either, even though it modifies the
    >congestion control mechanisms.

    If I interpreted the draft correctly, congestion control is still used
    here, just modified.

    Will

    =======================================
    Will Ivancic
    NASA Glenn Research Center
    21000 Brookpark Road MS 54-5
    Cleveland, Ohio 44135
    Phone +1 (216)433-3494
    Fax +1 (216) 433-8705
    Yahoo Instant Messenger ID: ivancic
    http://roland.grc.nasa.gov/~ivancic



    This archive was generated by hypermail 2b29 : Fri Jun 14 2002 - 16:04:40 EDT