Re: [16NG] Re: traffic classification

Alexandru,
>
> For QoS, there exist no resolution function like ND or DNS that would
> resolve a DSCP into a 802.16 Traffic Priority.
>
> Remark I'm not talking about mapping an IPv6 Traffic Class DSCP into a
> CID but into a 802.16 Traffic Priority or a 802.16 Service Name.
>
I browsed the relevant parts of 802.16 standards today.

The standard clearly says that it has a capability to filter
based on multiple fields in an IP packet, including the DSCP
field. The standard also clearly says that the classification
ensures the packet is delivered using the right QoS
characteristics.

I understand the desire to have an automatic mapping
that operates without any configured policy. But in
this case we clearly have functionality in the lower
layer that is designed for the QoS purpose. We may
disagree with that design. But it would be odd if the
IETF added its own competing QoS mapping mechanisms
on top of it.

Jari

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