On Mon, Jun 18, 2012 at 5:04 PM,  <[email protected]> wrote:
> Catching up ...
>
> In draft-bl-nvo3-dataplane-requirements-00.txt, the last paragraph
> in Section 3.3.1.2. Service QoS identifier says:
>
>   Support for NVE Service CoS SHOULD be provided through a QoS field,
>   inside the NVO3 overlay header. Examples of service CoS provided
>   part of the service tag are 802.1p and DE bits in the VLAN and PBB
>   ISID tags and MPLS EXP bits in the VPN labels.
>
> Why "inside the NVO3 overlay header"?  Earlier in the section, IP DSCP
> and Ethernet 802.1p are mentioned as examples of CoS (Class of Service)
> indicators and QoS fields - when used between NVEs, these (obviously)
> belong in the outer IP and outer Ethernet headers respectively.
>
> What's the rationale for an additional QoS field in the overlay header?

I don't see a need for it either.

Anoop
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