RE: [PWE3] PWE Service interworking

[Shahram Davari <Shahram_Davari@pmc-sierra.com>]

Mark,

1) Each layer should have segment OAM mechanism that applies only to that layer.
2) End-to-end OAM at each layer corresponds to the terminating points of that layer.

-Shahram

>-----Original Message-----
>From: Mark Seery [mailto:mark@mseery.com]
>Sent: Thursday, June 05, 2003 3:48 PM
>To: Jack Pugaczewski
>Cc: pwe3@ietf.org
>Subject: RE: [PWE3] PWE Service interworking 
>
>
>--- Jack Pugaczewski <jtpugac@qwest.com> wrote:
>> Segment and End-to-End OAM are utilized on an every
>> day basis and a
>> strategic part of the fault isolation process.  More
>> specifically, the
>> ability to generate an End-to-End at an intermediate
>> node is essential.
>> This allows the client (or client application) to
>> initiate the request to a
>> single element management system.
>> 
>> PJMWBGJJREGTATALDBJHJHSLDHGSDWJAMY
>
>Thanks Jack, 
>
>1) Is it important that every layer be able to do a
>segment OAM on every segment, or just the segments
>that logically belong to that layer (i.e. as
>delineated by access points of that layer)? For
>example, in the following network:
>
> 1      2        3    4     5      6        7         
>CE----ATM_SW-----PE----P----PE----ATM_SW----CE
>
>From the perspective of the ATM layer (assume VCC, no
>VPC), Is a segment between 2 and 6 or are 2-3, 3-4,
>4-5, and 5-6 also considered segments (from the
>perspective of your requirements as an operator).
>
>2) When an end-to-end OAM is initiated from an
>intermediate node, what is considered end-to-end? For
>example, in the following network:
>
>
> 1      2        3    4     5      6        7         
>CE----FR_SW-----PE----P----PE----ATM_SW----CE
>
>If an end-to-end OAM is initiated at "6" towards the
>direction of "1", where would you expect the OAM to
>terminate/take action?
>
>Thanks,
>Mark
>
>
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