RE: I-D ACTION:draft-ietf-ccamp-tracereq-04.txt

["Hamid Ould-Brahim" <[e-mail]>]

Okay.
 
Hamid.

 
That is exactly the intent of requirements 7 and 8. 
 
Requirement 7 says that you can trace through type of tunnel (e.g., GRE,
MPLS). Requirement 8 says that you can trace through heterogeneous, nested
tunnels. This should include any X over any Y as well as any Y over any X.
It should also support multiple levels of nesting (X over Y over Z).
 
 
Ron
 

-----Original Message-----
From: Hamid Ould-Brahim [mailto:[e-mail]]
Sent: Tuesday, June 03, 2003 9:38 AM
To: Ron Bonica; [e-mail]
Subject: RE: I-D ACTION:draft-ietf-ccamp-tracereq-04.txt



Ron, 

This is a good document. I just have one clarification/comment: 

in the draft: 

"7) Support the following tunneling technologies: GRE, MPLS, IPSEC, 
      GMPLS, IP-in-IP, L2TP. Be easily extensible to support new tunnel 
      technologies." 

and req. 8 on heterogeneous tunnels. 

I assume the tracing doesn't preclude the case where the IP 
tunnels are carrying MPLS-in-IP or MPLS-in-GRE encapsulation. 

Should that be explicitly mentioned (since it has implication 
on the type)?. 

Hamid. 

> 
> Pleae review this version. It is the most recent. 
> 
>                                 Ron 
> 
> > -----Original Message----- 
> > From: [e-mail] [ mailto:[e-mail]
<mailto:[e-mail]> ]On 
> > Behalf Of [e-mail] 
> > Sent: Tuesday, June 03, 2003 7:46 AM 
> > To: IETF-Announce: 
> > Cc: [e-mail] 
> > Subject: I-D ACTION:draft-ietf-ccamp-tracereq-04.txt 
> > 
> > 
> > A New Internet-Draft is available from the on-line 
> > Internet-Drafts directories. 
> > This draft is a work item of the Common Control and Measurement 
> > Plane Working Group of the IETF. 
> > 
> >     Title           : Tracing Requirements for Generic Tunnels 
> >     Author(s)       : R. Bonica, K. Kompella, D. Meyer 
> >     Filename        : draft-ietf-ccamp-tracereq-04.txt 
> >     Pages           : 9 
> >     Date            : 2003-6-2 
> >     
> > This document specifies requirements for a generic route-tracing 
> > application.  It also specifies requirements for a protocol 
> that will 
> > support that application. Network operators will use the generic 
> > route-tracing application to verify proper operation of the IP 
> > forwarding plane. They will also use the application to discover 
> > details regarding tunnels that support IP forwarding. 
> > The generic route-tracing application, specified herein, supports a 
> > superset of the functionality that 'traceroute' currently offers. 
> > Like traceroute, the generic route-tracing application can discover 
> > the forwarding path between two interfaces that are contained by an 
> > IP network. Unlike traceroute, this application can reveal details 
> > regarding tunnels that support the IP forwarding path. 
> > 
> > A URL for this Internet-Draft is: 
> > http://www.ietf.org/internet-drafts/draft-ietf-ccamp-tracereq-04.txt
<http://www.ietf.org/internet-drafts/draft-ietf-ccamp-tracereq-04.txt>  
> > 
> > To remove yourself from the IETF Announcement list, send a 
> message to 
> > ietf-announce-request with the word unsubscribe in the body of 
> > the message. 
> > 
> > Internet-Drafts are also available by anonymous FTP. Login with 
> > the username 
> > "anonymous" and a password of your e-mail address. After logging in, 
> > type "cd internet-drafts" and then 
> >     "get draft-ietf-ccamp-tracereq-04.txt". 
> > 
> > A list of Internet-Drafts directories can be found in 
> > http://www.ietf.org/shadow.html <http://www.ietf.org/shadow.html>  
> > or ftp://ftp.ietf.org/ietf/1shadow-sites.txt
<ftp://ftp.ietf.org/ietf/1shadow-sites.txt>  
> > 
> > 
> > Internet-Drafts can also be obtained by e-mail. 
> > 
> > Send a message to: 
> >     [e-mail]. 
> > In the body type: 
> >     "FILE /internet-drafts/draft-ietf-ccamp-tracereq-04.txt". 
> >     
> > NOTE:       The mail server at ietf.org can return the document in 
> >     MIME-encoded form by using the "mpack" utility.  To use this 
> >     feature, insert the command "ENCODING mime" before the "FILE" 
> >     command.  To decode the response(s), you will need "munpack" or 
> >     a MIME-compliant mail reader.  Different MIME-compliant 
> mail readers 
> >     exhibit different behavior, especially when dealing with 
> >     "multipart" MIME messages (i.e. documents which have been split 
> >     up into multiple messages), so check your local documentation on 
> >     how to manipulate these messages. 
> >             
> >             
> > Below is the data which will enable a MIME compliant mail reader 
> > implementation to automatically retrieve the ASCII version of the 
> > Internet-Draft. 
> > 
>