This may help... http://www.dot-biz.com/IPv4/Tutorial/
The Netfilter Project: Packet Mangling for Linux 2.4 http://netfilter.samba.org Jim Fleming http://www.IPv8.info IPv16....One Better !! ----- Original Message ----- From: "Damien Mascr�" <[EMAIL PROTECTED]> To: "Jim Fleming" <[EMAIL PROTECTED]>; "Brian E Carpenter" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Monday, December 03, 2001 4:12 PM Subject: RE: "one true protocol" > Don't forget that the low 8 bytes are not always > ramdomly choosed and that having a rigid format > for the packet is cute because the routers > can handle the packets more faster, and so, > it results in an increased bandwidth.... > > > > -----Message d'origine----- > > De : [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED]]De la part de Jim Fleming > > Envoy� : lundi 3 d�cembre 2001 15:40 > > � : Brian E Carpenter; [EMAIL PROTECTED] > > Objet : Re: "one true protocol" > > > > > > When you design protocols with 128 bit address fields, and then you > > proceed to place non-routable, random numbers, in the right-most 64 bits > > of each field, that results in 16 bytes of the 40 byte header > > being wasted. > > Those wasted bytes help to slow networks down and increase the need > > for bandwidth. Such protocols will not likely be desired by people who > > pay for bandwidth and people who like performance computing. While > > such designs might be interesting academic exercises, and might be useful > > in landing large government grants based on some artificial need for more > > bandwidth, they are not considered engineering progress for the commercial > > sector which builds networks that real people use in everyday > > life, especially > > in the United States of America. > > > > Jim Fleming > > http://www.IPv8.info > > IPv16....One Better !! > > > > > > ----- Original Message ----- > > From: "Brian E Carpenter" <[EMAIL PROTECTED]> > > To: <[EMAIL PROTECTED]> > > Sent: Monday, December 03, 2001 3:53 AM > > Subject: Re: "one true protocol" > > > > > > > Yes, it is really slow to filter out stuff with the string "Jim Fleming" > > > in the message body. > > > > > > Brian > > > > > > Pekka Savola wrote: > > > > > > > > Hi, > > > > > > > > Please keep Jim Fleming in Cc: in threads initiated by Mr. > > Fleming. That > > > > way our filters have better chance of "storing" these threads to where > > > > they belong to. > > > > > > > -------------------------------------------------------------------- > > > IETF IPng Working Group Mailing List > > > IPng Home Page: http://playground.sun.com/ipng > > > FTP archive: ftp://playground.sun.com/pub/ipng > > > Direct all administrative requests to [EMAIL PROTECTED] > > > -------------------------------------------------------------------- > > > > > > > -------------------------------------------------------------------- > > IETF IPng Working Group Mailing List > > IPng Home Page: http://playground.sun.com/ipng > > FTP archive: ftp://playground.sun.com/pub/ipng > > Direct all administrative requests to [EMAIL PROTECTED] > > -------------------------------------------------------------------- > > > > -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------
