Re: Adaptive Shaping

From: Narbik Kocharians <narbikk_at_gmail.com>
Date: Mon, 28 Jun 2010 13:58:54 -0700

As long as you are receiving FECNs you will generate BECNs in the test
frames, and as long as the other end is receiving BECNs it will adapt

On Mon, Jun 28, 2010 at 1:36 PM, Muzammil Malick <malickmuz_at_gmail.com>wrote:

> Thanks! But just one last thing. Before reading about fecn-adapt I thought
> it was there so that in a bidirectional flow.
> the remote end would add a FECN to frames it was sending back to the
> Source.
> Does this mean by using fecn-adapt, only test frames are sent with fecn or
> can the fecn be attached to normal data frames.
>
>
> On 28 June 2010 21:26, Narbik Kocharians <narbikk_at_gmail.com> wrote:
>
>> Yes and the end that receives the q922 frames will adapt if it's
>> configured to do so.
>>
>>
>> On Mon, Jun 28, 2010 at 12:49 PM, Muzammil Malick <malickmuz_at_gmail.com>wrote:
>>
>>> Hi Narbik
>>>
>>> If the *traffic-shape fecn-adapt* command is configured at both ends of
>>> the link, the far end will reflect received FECNs as BECNs in Q.922 TEST
>>> RESPONSE messages.
>>>
>>> Does this mean the remote end will send back a dummy frame with a BECN
>>> attached, although under normal circumstances it would never need to send
>>> traffic to the source?
>>>
>>> Thanks
>>>
>>> On 28 June 2010 20:44, Narbik Kocharians <narbikk_at_gmail.com> wrote:
>>>
>>>> You can do "Fecn-adapt" , that will take care of it.
>>>>
>>>> On Mon, Jun 28, 2010 at 12:34 PM, Muzammil Malick <
>>>> malickmuz_at_gmail.com> wrote:
>>>>
>>>>> Hi
>>>>>
>>>>> Regarding FECN and BECN
>>>>>
>>>>> I read something a while back about UDP flows that are sent across a FR
>>>>> cloud that do not need acknowledgement.
>>>>> So the remote end has no way of responding with a BECN even if the
>>>>> service
>>>>> provider was to mark frames with FECN.
>>>>> Does his mean that there is no way to signal the sender to slow down in
>>>>> this
>>>>> case?
>>>>>
>>>>>
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>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Narbik Kocharians
>>>> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
>>>> www.MicronicsTraining.com <http://www.micronicstraining.com/>
>>>> Sr. Technical Instructor
>>>> YES! We take Cisco Learning Credits!
>>>> Training And Remote Racks available
>>>>
>>>
>>>
>>
>>
>> --
>> Narbik Kocharians
>> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
>> www.MicronicsTraining.com <http://www.micronicstraining.com/>
>> Sr. Technical Instructor
>> YES! We take Cisco Learning Credits!
>> Training And Remote Racks available
>>
>
>

-- 
Narbik Kocharians
CCSI#30832, CCIE# 12410 (R&S, SP, Security)
www.MicronicsTraining.com
Sr. Technical Instructor
YES! We take Cisco Learning Credits!
Training And Remote Racks available
Blogs and organic groups at http://www.ccie.net
Received on Mon Jun 28 2010 - 13:58:54 ART

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