>> However, I don't think that the draft needs queue level information -- 
>> interface counters is sufficient. Or am I missing something?

Thanks Warren -- you said it right. For this draft, we need only interface 
counters.

Thanks,
Ramki

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of 
Warren Kumari
Sent: Wednesday, September 11, 2013 7:04 AM
To: Randy Bush
Cc: [email protected]; 
[email protected]
Subject: Re: [OPSAWG] WG last call for "Mechanisms for Optimal LAG/ECMP 
Component Link Utilization in Networks"


On Sep 10, 2013, at 7:58 PM, Randy Bush <[email protected]> wrote:

>> I would need a bit more clarity on what is "per circuit".  The
>> mechanism works by looking at the utilization on individual component
>> links within a LAG/ECMP.  The port-level queues and packet/byte
>> counters are always visible to an implementation.
> 
> for some definitions of 'always'.  a few of us would greatly appreciate
> if you could tell us the commands on junos and cisco XR to look at a
> lag's per-physical-circuit queues.


Yes, yes we would.
A  large number of implementations provide almost no visibility into the 
interface queues (even if you throw your toys out the cot, threaten to change 
vendors, etc), regardless of if the interface is part of LAG or not...

However, I don't think that the draft needs queue level information -- 
interface counters is sufficient. Or am I missing something?

W

> 
> randy
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--
"When it comes to glittering objects, wizards have all the taste and 
self-control of a deranged magpie."
-- Terry Pratchett




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