Hi Michael,


Thanks for the review.



>Yes, having CATS as an ASA seems reasonable.

>Will you have an ACP?



[KY] The draft follows the traditional approach for deloying ASA (Establish ACP 
channel and then signaling GRASP messages).

But I think it doesn39t necessarily depend on ACP. Can GRASP be implemented 
decoupled from ACP? (Sorry that I have not closely followed the progress of 
ANIMA.)



>How big are the CATS metrics?>The B.2 use cases are generally thinking about 
>objects in the hundreds of>kilobytes to megabytes like .. O(2^18)>I would 
>think CATS metrics would be at the O(2^10) size?



[KY] It depends on implementation. In CATS metrics definition, there are three 
metric levels. 
https://datatracker.ietf.org/doc/draft-ietf-cats-metric-definition/ 

The Level 0 (raw metrics) may contain many detailed compute and service 
metrics, expressed in floating points, whose size can be large. 

For simplification and routing-friendly(easy to converge, small overhead), 
implementers can also choose Level 1 or Level 2 normalized metrics, which can 
be represented in 1 to 10 usigned integer value, whose size can be very small.



Cheers,

Kehan  

 

----邮件原文----发件人:Michael Richardson  <[email protected]>收件人:Yao Kehan  
<[email protected]>,anima  <[email protected]>,"[email protected]" 
<[email protected]>抄 送: (无)发送时间:2026-03-05 02:23:05主题:Re: [Anima] New draft on 
GRASP extension for CATS metrics distributionYao Kehan 
<[email protected]> wrote:    > This document describes an approach by 
extending GRASP signaling    > protocol for CATS metrics distribution.Yes, 
having CATS as an ASA seems reasonable.Will you have an ACP?    > Authors think 
it is aligned with the use cases like V2X described in CATS use cases and 
requirements:    > 
https://datatracker.ietf.org/doc/draft-ietf-cats-usecases-requirements/    > as 
well as    > 
https://datatracker.ietf.org/doc/draft-ietf-anima-grasp-distribution/How big 
are the CATS metrics?The B.2 use cases are generally thinking about objects in 
the hundreds ofkilobytes to megabytes like .. O(2^18)I would think CATS metrics 
would be at the O(2^10) size?--]               Never tell me the odds!          
       | ipv6 mesh networks []   Michael Richardson, Sandelman Software Works   
     |    IoT architect   []     [email protected]  http://www.sandelman.ca/    
    |   ruby on rails    [Subject:Re: [Anima] New draft on GRASP extension for 
CATS metrics distributionYao Kehan <[email protected]> wrote:    > This 
document describes an approach by extending GRASP signaling    > protocol for 
CATS metrics distribution.Yes, having CATS as an ASA seems reasonable.Will you 
have an ACP?    > Authors think it is aligned with the use cases like V2X 
described in CATS use cases and requirements:    > 
https://datatracker.ietf.org/doc/draft-ietf-cats-usecases-requirements/    > as 
well as    > 
https://datatracker.ietf.org/doc/draft-ietf-anima-grasp-distribution/How big 
are the CATS metrics?The B.2 use cases are generally thinking about objects in 
the hundreds ofkilobytes to megabytes like .. O(2^18)I would think CATS metrics 
would be at the O(2^10) size?--]               Never tell me the odds!          
       | ipv6 mesh networks []   Michael Richardson, Sandelman Software Works   
     |    IoT architect   []     [email protected]  http://www.sandelman.ca/    
    |   ruby on rails    [

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