- From: Ben Laurie <ben@algroup.co.uk>
- Date: Thu, 29 Jan 1998 18:21:41 +0000
- To: Adrien de Croy <adrien@qbik.com>
- Cc: http-wg@cuckoo.hpl.hp.com
Adrien de Croy wrote: > A proposal for the end tag could be say a 4 byte magic number. So there > would be a 1 in 4 billion chance of there being a natural conflict caused by > a premature close on the connection with the last 4 bytes of the last packet > being the magic number. If this were thought too risky, simply increasing > the length would serve to render this event less likely. That's a pretty dodgy bit of maths. What you mean is that for any particular 4-byte sequence there's a 1 in 4 billion chance, so in 1 MB of data, the probability is (roughly) 1 in 4000. Or, over a 64 kb/s link at full capacity, about one mistake a week. Cheers, Ben. -- Ben Laurie |Phone: +44 (181) 735 0686|Apache Group member Freelance Consultant |Fax: +44 (181) 735 0689|http://www.apache.org and Technical Director|Email: ben@algroup.co.uk |Apache-SSL author A.L. Digital Ltd, |http://www.algroup.co.uk/Apache-SSL London, England. |"Apache: TDG" http://www.ora.com/catalog/apache
Received on Thursday, 29 January 1998 10:23:44 UTC