Re: [Cse461] Re: TTL Specifications

From: Evan Martin (martine_at_danga.com)
Date: Mon Jan 12 2004 - 11:30:01 PST

  • Next message: Janet Davis: "[Cse461] Re: Sequence numbers"

    On Mon, Jan 12, 2004 at 11:10:23AM -0800, Abhinav Jain wrote:
    > Just a confirmation... I believe that sequence numbers are just plain
    > numbers indicating the nth packet we sent out,,, so i believe every node
    > will have sequence numbers from 1 to n

    Yes, that was a typo. To reduce any future confusion, I've edited
    Janet's comment and reposted it below.

    > > The range of valid TTL values is 1..MAX_TTL. When you originate a
    > > packet, its TTL should be MAX_TTL when you call sendPkt. For forwarding,
    > > also note that you can't send a packet with TTL 0.
    > >
    > > On the receiving side, you should accept (i.e., process) any packet that
    > > has a valid TTL when it arrives.

    -- 
    Evan Martin
    martine_at_danga.com
    http://neugierig.org
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