Messages in this thread | | | Subject | Re: Incremental update of TCP Checksum | From | Valdis.Kletnieks@vt ... | Date | Tue, 16 Sep 2003 15:00:45 -0400 |
| |
On Tue, 16 Sep 2003 11:50:16 PDT, Vishwas Raman <vishwas@eternal-systems.com> said:
> Can anyone out there tell me the algorithm to update the checksum > without having to recalculate it.
The canonical source is the RFCs:
1071 Computing the Internet checksum. R.T. Braden, D.A. Borman, C. Partridge. Sep-01-1988. (Format: TXT=54941 bytes) (Updated by RFC1141) (Status: UNKNOWN)
1141 Incremental updating of the Internet checksum. T. Mallory, A. Kullberg. Jan-01-1990. (Format: TXT=3587 bytes) (Updates RFC1071) (Updated by RFC1624) (Status: INFORMATIONAL)
1624 Computation of the Internet Checksum via Incremental Update. A. Rijsinghani, Ed.. May 1994. (Format: TXT=9836 bytes) (Updates RFC1141) (Status: INFORMATIONAL)
http://www.ietf.org/rfc/rfc1071.txt http://www.ietf.org/rfc/rfc1141.txt http://www.ietf.org/rfc/rfc1624.txt [unhandled content-type:application/pgp-signature] | |