nanog mailing list archives
Re: BCP regarding TOS transparancy for internet traffic
From: Saku Ytti <saku+nanog () ytti fi>
Date: Wed, 25 May 2005 18:59:51 +0300
On (2005-05-25 11:49 -0400), Valdis.Kletnieks () vt edu wrote:
Out of curiosity, what did you hope to accomplish by zeroing that field?
IMHO only reason not to zero TOS byte on AS ingress border is that you explicitly agreed with your neighbour how it is used (what traffic it can contain, what is the absolute limit they will send that traffic in, etc.) I personally don't want to see DoS traffic taking eg. VoIP priority. I've been also thinking about possibility to differentiate in MPLS EX/TOS AS internal and AS external traffic and under congestion start to drop AS external traffic first.
(If you're planning to zero it on ingress to your network, use it for your own nefairious traffic-engineering purposes, and then re-zero on egress, *and* your contracts with your customers say it's OK to do it, then it might be defensible. Maybe. ;)
-- ++ytti
Current thread:
- BCP regarding TOS transparancy for internet traffic Mikael Abrahamsson (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Valdis . Kletnieks (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Saku Ytti (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Valdis . Kletnieks (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Saku Ytti (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Saku Ytti (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Valdis . Kletnieks (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Eric A. Hall (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Sam Stickland (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Fred Baker (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Alan Hannan (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Eric A. Hall (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Sam Stickland (May 25)
- Re: BCP regarding TOS transparancy for internet traffic Kevin Oberman (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)