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- Newsgroups: comp.protocols.tcp-ip
- Path: sparky!uunet!pipex!warwick!sunserver1.aston.ac.uk!uhura!evansmp
- From: evansmp@uhura.aston.ac.uk (Mark Evans)
- Subject: Re: Sequence Numbers in TCP/IP
- Message-ID: <1993Jan22.142637.26110@aston.ac.uk>
- Sender: usenet@aston.ac.uk (Usenet administrator)
- Nntp-Posting-Host: uhura
- Organization: Aston University
- X-Newsreader: TIN [version 1.1 PL241235]
- References: <andreas-220193121931@i2pc5.informatik.rwth-aachen.de>
- Date: Fri, 22 Jan 1993 14:26:37 GMT
- Lines: 25
-
- Andreas Fasbender (andreas@informatik.rwth-aachen.de) wrote:
- : Can somebody answer a stupid question:
- :
- : What is the reason for the difference in the lenght of the window-field
- : (16)
-
- The window is how much the other end is prepared to accept (65535 implies
- infinite). (this is bigger than the maximum packet size on every network
- I have ever seen)
-
- : and the sequence-number-field (32 bit). Using 16-bit-numbers for sequencing
- : and acknowledging could spare 4 byte in each packet.
-
- Sequence measures how much has been sent.
-
- Both of these are measured in octets (8 bit bytes), it is quite reasonable
- to expect a TCP link to send more that 64K octets in one session.
- : Hope this isn+t a faq.
- :
- --
-
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- Mark Evans |evansmp@uhura.aston.ac.uk
- +(44) 21 429 9199 (Home) |evansmp@cs.aston.ac.uk
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