On Sun, 16 Jan 2011, Bhatia, Manav (Manav) wrote:
We do explain this in section 9 that one MAY need to carry some OAM and
management messages to manage these PTP LSPs and PTP PWs.
Yes, I noticed. I still think that saying "X MUST be 4 (but it may also be
3)" is a weird thing to say.
In section 10, I think it should be treated as control plane traffic
with higher priority than what mostly is used for EF? Or is EF (which
might carry a lot of voice traffic as well) enough?
EF is better than the default. I don't think we can mandate AF since
that would require operators to provide assurance of delivery as long as
the traffic is not exceeding certain rate. Now, how does define that
rate?
I think you misunderstood.
In my world, control plane traffic (originated by the router itself) may
have higher outgoing QoS priority than EF. AF is definitely further down
the list of priorities, both when it comes to jitter and packet loss
handling.
On Cisco for instance, people usually use the MQC "priority" command for
EF, which means it's a low latency queue which is always emptied first,
then there might be some round robin handling of other queues. Is this
queue enough, or is it better to just handle it with low drop probability
and just make sure the time information in the packet is accurate and the
delay of the packet is of little importance?
--
Mikael Abrahamsson email: [email protected]
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