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Thread: T/TCP

  1. #1
    Karthik Balaguru
    Guest

    T/TCP

    Hi,
    I have been thinking about the connection
    speed and recently came across the T/TCP :-)
    I understand that T/TCP was introduced
    to provide advantages of the TCP and UDP.
    That is, it coupules the reliability of TCP and the
    speed of UDP . Interesting to know that the 3-way
    handshake method can be bypassed by TCP
    Accelerated Open (TAO) and also the TIME_WAIT
    can be truncated to provide the extra speed !

    The below link seems to convey the main
    security problems w.r.t T/TCP -
    http://web.archive.org/web/200710181...?issue=53&id=6
    It seems to convey that the attacker easily gets
    the spoofed connection into the established
    state and that he does not need to predict the
    return sequence number as in normal TCP . It
    seems that he just needs to ensure the success
    of the TAO test.

    I also came across the below link -
    http://www.mid-way.org/doc/ttcp-sec.txt

    But, are there any fix/tricks to overcome these
    issues so that the benefits of T/TCP can be
    harnessed ? Any ideas ?

    Thx in advans,
    Karthik Balaguru

  2. #2
    Jorgen Grahn
    Guest

    Re: T/TCP

    ["Followup-To:" header set to comp.protocols.tcp-ip.]

    On Sun, 2010-02-28, Karthik Balaguru wrote:
    > Hi,


    Didn't you agree a few days ago *not* to crosspost like that? This is
    offtopic in all of the five groups you are posting to, except
    comp.protocols.tcp-ip.

    /Jorgen

    --
    // Jorgen Grahn <grahn@ Oo o. . .
    \X/ snipabacken.se> O o .

  3. #3
    Karthik Balaguru
    Guest

    Re: T/TCP

    On Mar 1, 2:53*am, Jorgen Grahn <grahn+n...@snipabacken.se> wrote:
    > ["Followup-To:" header set to comp.protocols.tcp-ip.]
    >
    > On Sun, 2010-02-28, Karthik Balaguru wrote:
    > > Hi,

    >
    > Didn't you agree a few days ago *not* to crosspost like that? *This is
    > offtopic in all of the five groups you are posting to, except
    > comp.protocols.tcp-ip.
    >


    Since this query is related with networking
    and security issues, the security and networking
    groups were included for this query so that
    they could share their thoughts. But, if it is
    very much out-of topic in those groups, then
    it can be considered just as you conveyed.

    Thx in advans,
    Karthik Balaguru

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