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[lwip-users] Fragmented datagrams
From: |
Mason |
Subject: |
[lwip-users] Fragmented datagrams |
Date: |
Mon, 20 Feb 2012 11:24:04 +0100 |
User-agent: |
Mozilla/5.0 (Windows NT 5.1; rv:10.0.1) Gecko/20120208 Firefox/10.0.1 SeaMonkey/2.7.1 |
Zayaz Volk wrote:
> On other hand, if UDP checksum is omitted and under certain
> conditions (long UDP datagram timeout, high communcation speed and as
> a result IP overlapping while still within a UDP datagram timeout) -
> one might expect to get a wrong, but "valid" datagram with IP
> fragment belonging to another UDP datagram. - I think, it might
> happen with IPv4.
Attributing fragments of one datagram to a different datagram
would definitely be a bug in the network stack.
That's the purpose of the Identification field.
(and Fragment Offset to a lesser degree.)
--
Regards.
- Re: [lwip-users] lwip 1.4.1 bug-fix release, Mason, 2012/02/08
- Re: [lwip-users] lwip 1.4.1 bug-fix release, address@hidden, 2012/02/09
- Re: [lwip-users] lwip 1.4.1 bug-fix release, Zayaz Volk, 2012/02/16
- Re: [lwip-users] lwip 1.4.1 bug-fix release, address@hidden, 2012/02/16
- Re: [lwip-users] lwip 1.4.1 bug-fix release, Zayaz Volk, 2012/02/16
- Re: [lwip-users] lwip 1.4.1 bug-fix release, Zayaz Volk, 2012/02/16
- Re: [lwip-users] lwip 1.4.1 bug-fix release, Simon Goldschmidt, 2012/02/17
- Re: [lwip-users] lwip 1.4.1 bug-fix release, Bill Auerbach, 2012/02/17
- Re: [lwip-users] lwip 1.4.1 bug-fix release, Kieran Mansley, 2012/02/18
- Re: [lwip-users] lwip 1.4.1 bug-fix release, Zayaz Volk, 2012/02/19
- [lwip-users] Fragmented datagrams,
Mason <=