[j-nsp] Use cases for IntServ in MPLS backbones

[Mark Tinka]

On 2/Oct/18 14:49, Saku Ytti wrote:

> No is saying you must do that. What I'm trying to say, if you already
> do overlay QoS, then retaining DSCP should be best practice. If you
> cannot do overlay QoS, then of course you must reset.

Fair point.

In my case, I map all DSCP values used on ingress to corresponding EXP
values for handling in the core. But at egress, it's all DSCP again.

> But just because there are some bad apples who can't configure their
> network, doesn't mean we need to reset for everyone, reset it for them
> at egress, not at ingress.

I think this element has been discussed at length already...

Mark.