nanog mailing list archives
Re: BCP regarding TOS transparancy for internet traffic
From: Sean Donelan <sean () donelan com>
Date: Wed, 25 May 2005 21:06:15 -0400 (EDT)
On Wed, 25 May 2005, Eric A. Hall wrote:
Again, you are under no obligation to do anything with QoS flags from non-paying customers, and I'm not advocating for anybody to get a free ride here. Ignore the markings, but leave them alone too.
Are you suggesting every router along the path needs to have a table lookup of every customer and which DSCP/TOS bits are valid for packets to or from that customer and which DSCP/TOS bits should be ignored. Diffserv is hop-by-hop, with each hop making a choice. Do you really think this scales well in a core network? If you want bit streams: TDM, ATM or Frame-Relay works well. But in the IP world, packets may be fragemented by intermediate nodes, TTL values are decremented, ECN bits are changed. Packet headers are changed on every packet passing through an IP network.
Current thread:
- Re: BCP regarding TOS transparancy for internet traffic, (continued)
- Re: BCP regarding TOS transparancy for internet traffic Saku Ytti (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Eric A. Hall (May 25)
- Re: BCP regarding TOS transparancy for internet traffic sthaug (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Eric A. Hall (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Saku Ytti (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Lars Erik Gullerud (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Eric A. Hall (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Lars Erik Gullerud (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Mikael Abrahamsson (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Eric A. Hall (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Sean Donelan (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Eric A. Hall (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Lars Erik Gullerud (May 26)
- Re: BCP regarding TOS transparancy for internet traffic Adi Linden (May 26)
- Re: BCP regarding TOS transparancy for internet traffic Sean Donelan (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Saku Ytti (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Sean Donelan (May 25)