Subject: Re: [issue40] BLKINFO

From: "Joel M. Halpern" <[email-masked]>
Date: Thu, 9 Jun 2005 09:03:59 -0400

I am still not convinced of the value, and would prefer to defer BLOCK 
constructs until we have some experience to know what enhancements we 
really need.

Yours,
Joel

At 08:57 AM 6/9/2005, Robert Haas wrote:
>I just re-read the relevant thread Ã  propos BLOCK selector. It seems that 
>besides Jamal and myself, nobody else declared whether the proposal 
>(repeated below) would be satisfactory and should be included in the 
>draft. Please let us know.
>Regards,
>-Robert
>
> From the thread titled "2005 Teleconf minutes (BLOCK semantics, etc)":
>
>As an alternative, couldn't we just add a flag to the BLOCK selector to 
>distinguish the two cases ?
>
>- BLOCK REPLICATE, with only the all-to-all semantic
>- BLOCK LIST, with only the one-to-one semantic.
>
>So while processing a ForCES message, one does not have to infer the 
>meaning of BLOCK based on the content (is it all-to-all or one-to-one). 
>Instead the flag will tell immediately.
>
>
>Avri Doria wrote:
>
>>New submission from Avri Doria <[email-masked]>:
>>
>>*  NOTE! NOTE! There is a selector known as BLKINFO that is left
>>         out of this doc for now that will be revisted later.  BLKINFO
>>         is defined as:
>>      *  SELECTOR := KEYINFO-TLV / BLOCK-SELECTION-TLV BLKINFO TLV :=
>>         [BLK_RANGE_INDEX] / [BLK_LIST_INDEX] / [BLK_CNT_INDEX]  A
>>         PathData can only have one selector either a KEYINFO TLV or a
>>         BLKINFO TLV (i.e not both).
>>
>>Revisit before PS or after?
>>
>>----------
>>category: Editorial
>>draft: draft-ietf-forces-protocol
>>messages: 58
>>nosy: avri
>>priority: May fix
>>status: No discussion
>>title: BLKINFO
>>
>>___________________________________________________
>>Forces issue tracker <[email-masked]>
>><http://www.mip4.org/issues/tracker/forces/issue40>
>>___________________________________________________
>>
>>
>>
>
>--
>Dr. Robert R. Haas
>IBM Zurich Research Laboratory
>SÃ¤umerstrasse 4
>CH-8803 RÃ¼schlikon/Switzerland
>phone +41-44-724-8698  fax +41-44-724-8578  http://www.zurich.ibm.com/~rha