Re: [Tsvwg] I-D Action:draft-ietf-tsvwg-rsvp-user-error-spec-02.txt

[Hannes Tschofenig <[e-mail]>]

If I understood this document correctly then it essentially suggests 
vendor-specific error codes.

Typically, you use three octets to denote the vendor-specific Object 
Identifier (OID) that points to the IANA assigned "SMI Network 
Management Private Enterprise Codes" value (see [RFC3232]). Then, you 
need to provide a field for the error code. Often 3 bytes are 
sufficient. You seem to split these 3 bytes into 1 byte for a "Sub Org " 
and another 2 bytes for the actual error code value. I believe it is 
more common to just merge the 1+2 bytes together since a vendor will 
hopefully be able to manage the allocation of unique values.

I further suspect that you wrote this draft not really for vendors but 
rather for other SDOs, since they are also listed as vendors.

If my reading of the draft is correct then I wonder why you call the 
document "user-defined" errors instead of vendor-specific error codes 
for RSVP.
Do you think that it is so common that vendors or other SDOs will define 
their own error messages? Could that lead to interoperability problems?

Ciao
Hannes

[e-mail] wrote:
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Transport Area Working Group Working Group of the IETF.
>
>
> 	Title           : User-Defined Errors for RSVP
> 	Author(s)       : G. Swallow, et al.
> 	Filename        : draft-ietf-tsvwg-rsvp-user-error-spec-02.txt
> 	Pages           : 8
> 	Date            : 2007-10-06
>
> The Resource ReserVation Protocol (RSVP) defines an ERROR_SPEC object
> for communicating errors.  That object has a defined format that
> permits the definition of 256 error codes.  As RSVP has been
> developed and extended, the convention has been to be conservative in
> defining new error codes.  Further, no provision for user-defined
> errors exists in RSVP.
>
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-tsvwg-rsvp-user-error-spec-02.txt
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