Re: [mpls] Last Call: <draft-ietf-mpls-tp-on-demand-cv-06.txt> (MPLS On-demand Connectivity Verification and Route Tracing) to Proposed Standard

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Hi,

I don't see any TLVs defined for performing the on-demand CV operation
on MPLS -TP Sections. Is this intentional?

and

Co-routed bidirectional tunnel identifier:
A1-{Global_ID::Node_ID::Tunnel_Num}::Z9-{Global_ID::
      Node_ID::Tunnel_Num}::LSP_Num
Associated bidirectional tunnel identifier:
A1-{Global_ID::Node_ID::Tunnel_Num::LSP_Num}::
      Z9-{Global_ID::Node_ID::Tunnel_Num::LSP_Num}

How does Static LSP Sub-TLV address the need of two LSP_Nums of
associated bidirectional tunnel?

Am I missing something?

Thanks,
Venkat.

On Fri, Aug 19, 2011 at 5:50 AM, Mach Chen <mach.chen@xxxxxxxxxx> wrote:
> Hi,
>
> One question about the difference of the encapsulation modes between CV and Route Tracing.
>
> In Section 3, there are three encapsulation modes for on-demand CV: "LSP-Ping with IP encapsulation", "On-demand CV with IP encapsulation, over ACH" and "Non-IP based On-demand CV, using ACH", but for On-demand Route Tracing (in section 4), there are only two modes: "On-demand LSP Route Tracing with IP encapsulation" and "Non-IP based On-demand LSP Route Tracing, using ACH". Seems that there should be "On-demand LSP Route Tracing with IP encapsulation, over ACH" accordingly. What's reason behind this? Or maybe I missed something.
>
> Best regards,
> Mach
>
>> -----Original Message-----
>> From: mpls-bounces@xxxxxxxx [mailto:mpls-bounces@xxxxxxxx] On Behalf Of The
>> IESG
>> Sent: Thursday, August 11, 2011 9:46 PM
>> To: IETF-Announce
>> Cc: mpls@xxxxxxxx
>> Subject: [mpls] Last Call: <draft-ietf-mpls-tp-on-demand-cv-06.txt> (MPLS
>> On-demand Connectivity Verification and Route Tracing) to Proposed Standard
>>
>>
>> The IESG has received a request from the Multiprotocol Label Switching WG
>> (mpls) to consider the following document:
>> - 'MPLS On-demand Connectivity Verification and Route Tracing'
>>   <draft-ietf-mpls-tp-on-demand-cv-06.txt> as a Proposed Standard
>>
>> The IESG plans to make a decision in the next few weeks, and solicits
>> final comments on this action. Please send substantive comments to the
>> ietf@xxxxxxxx mailing lists by 2011-08-25. Exceptionally, comments may be
>> sent to iesg@xxxxxxxx instead. In either case, please retain the
>> beginning of the Subject line to allow automated sorting.
>>
>> Abstract
>>
>>    Label Switched Path Ping (LSP-Ping) is an existing and widely
>>    deployed Operations, Administration and Maintenance (OAM) mechanism
>>    for Multi-Protocol Label Switching (MPLS) Label Switched Paths
>>    (LSPs).  This document describes extensions to LSP-Ping so that LSP-
>>    Ping can be used for On-demand Connectivity Verification of MPLS
>>    Transport Profile (MPLS-TP) LSPs and Pseudowires.  This document also
>>    clarifies procedures to be used for processing the related OAM
>>    packets.  Further, it describes procedures for using LSP-Ping to
>>    perform Connectivity Verification and Route Tracing functions in
>>    MPLS-TP networks.  Finally this document updates RFC 4379 by adding a
>>    new address type and requesting an IANA registry.
>>
>>
>> The file can be obtained via
>> http://datatracker.ietf.org/doc/draft-ietf-mpls-tp-on-demand-cv/
>>
>> IESG discussion can be tracked via
>> http://datatracker.ietf.org/doc/draft-ietf-mpls-tp-on-demand-cv/
>>
>>
>> No IPR declarations have been submitted directly on this I-D.
>> _______________________________________________
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