Tiger,

Some of these questions are impacting progression of the DMZ draft.  Would
you please respond:

On Wed, May 06, 2026 at 10:02:01AM -0400, Jeffrey Haas wrote:
> [Speaking as an IDR chair and the shepherd for the DMZ document in this 
> response]
> 
> > Fourth, the new use cases and associated technical approaches introduced in 
> > draft-ietf-bess-ebgp-dmz -07 (published 20 July 2025) were already fully 
> > and explicitly documented in draft-xu-idr-fare -00 (released 1 July 2024).
> 
> There are certainly overlaps in the problem space between the DMZ and FARE 
> documents. draft-xu-idr-fare-00 was issued on January 2025.  The DMZ draft 
> had been getting work done on it over several years with refining use cases.  
> Is there a specific use case you are referring to here?  If so, please 
> clarify what section in the document you're discussing.
> 
> Also, is there a concern that there is work covered in that overlapping 
> portion of the documents that have undisclosed IPR considerations?  Or, is 
> this more a matter that the DMZ document appropriated a use case without 
> attribution to its contributors?

The above impacts both attribution and IPR.

> > Further detailed analysis is presented below. IMHO, the IETF, as a leading 
> > global standards-setting body, ought not to endorse or tolerate such 
> > non-compliant community practices. Allowing such precedent would undermine 
> > the IETF’s reputation for impartiality and erode its ecosystem of original 
> > technical innovation.
> 
> I'll address the technical points below, but what "non-compliant community 
> practices" are you referring to?  Please be explicit.

Would you clarify what non-compliant practices you're discussing?

> > 2. Issues and solutions introduced in version -08
> > Version -08 adds:
> > “In addition, as illustrated in the previous sections, BGP may have to 
> > consider a combination of the local link and remote bandwidth when 
> > computing the weights for weighted load‑balancing. Any function of the two 
> > may be used like for instance a ‘minimum’ function … The weight of each 
> > path may then be based on either: only the remote bandwidth, only the local 
> > link bandwidth, or a function of both.”
> > This introduces the minimum function (choosing the smaller value between 
> > the link bandwidth and the path bandwidth of the received route). The draft 
> > also acknowledges for the first time the necessity of path bandwidth:
> > “In our example, the value 30Gbps advertised by R3 represents an aggregated 
> > path bandwidth.”
> > Again, both the minimum function and the concept of path bandwidth were 
> > already described in draft-xu-idr-fare version -00.
> 
> For this point, I'll ask that the DMZ authors respond to the provenance of 
> the use case.  I'd also suggest to the BESS chairs and AD to halt progression 
> of the document until that point is settled.  Minimally, if there's an issue 
> of attribution, that should be addressed.
> 
> Further, I ask again on this point where there is undisclosed IPR that you 
> consider an issue for this use case?

Would you clarify if there's undisclosed IPR considerations?

-- Jeff

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