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BCP regarding TOS transparancy for internet traffic
I've been debating whether the TOS header information must be left untouched by an ISP, or if it's ok to zero/(or modify) it for internet traffic. Does anyone know of a BCP that touches on this?
My thoughts was otherwise to zero TOS information incoming on IXes, transits and incoming from customers, question is if customers expect this to be transparent or not.
Reading <http://www.sanog.org/resources/sanog4-kaulgud-qos-tutorial.pdf> it looks like in the Diffserv terminology, it's ok to do whatever one would want.
Any feedback appreciated.
Mikael Abrahamsson email: email@example.com