Thanks. Last call has been initiated. Still looking for answers below.

>> 
>> The definitions of EWMA_BYTES_SENT and EWMA_BYTES_RCVD seem problematic.
>> 
>> sent = alpha x sent_present + (1 - alpha) x sent
>> rcvd = alpha x rcvd_present + (1 - alpha) x rcvd
>> 
>> As written these equations are not right because sent/rcvd appear on both 
>> sides. It would be clearer to use last_sent and last_rcvd or some such on 
>> the right-hand side of these equations. But this begs some bigger questions:
>> 
>> - Does this place a requirement on all nodes implementing this specification 
>> to have to calculate these values every 5 seconds?
>> - How are the values calculated the first time?
>> - How was the value of 5 seconds chosen?

Alissa


> On Nov 26, 2015, at 6:25 PM, Songhaibin (A) <[email protected]> wrote:
> 
> Dear Alissa,
>  
> I have submitted a new version with changes to the diagnostic information 
> authorization part, and leave the  EWMA_BYTES_SENT and EWMA_BYTES_RCVD for 
> discussion during IETF last call. 
>  
> Best Regards!
> -Haibin
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