Hi Shraddha,
In the new version, Generic Metric sub-TLV added "A metric value of 0xFFFFFFFF
is considered as maximum link metric and a link having this metric MUST NOT be
considered in SPF computation."
With that I have two questions/suggestions:
#1 Generic Metric sub-TLV may be used for different kinds of metric-type,
maximum value can have different meanings. Besides, Admin Group rules can be
used to exclude a link in Flex-Algo. Why must define a global unreachable value?
#2 According to draft-ietf-lsr-flex-algo, I think it's better to use
"Flex-Algorithm calculations" instead of "SPF computation".
Thanks,
Mengxiao
-----Original Message-----
From: Lsr <lsr-boun...@ietf.org> On Behalf Of Shraddha Hegde
Sent: Tuesday, January 10, 2023 12:43 PM
To: lsr@ietf.org
Subject: [Lsr] FW: I-D Action: draft-ietf-lsr-flex-algo-bw-con-04.txt
WG,
New version of the draft has been posted.
Changes listed below.
1. Suggested codepoints in IANA section removed
2. Section 2.1 and 2.2 updated. Metric 0 is allowed. Added below sentence "
Maximum link metric MUST NOT be used in SPF"
3. editorial changes.
Pls review the draft.
Rgds
Shraddha
Juniper Business Use Only
-----Original Message-----
From: Lsr <lsr-boun...@ietf.org> On Behalf Of internet-dra...@ietf.org
Sent: Tuesday, January 10, 2023 10:10 AM
To: i-d-annou...@ietf.org
Cc: lsr@ietf.org
Subject: [Lsr] I-D Action: draft-ietf-lsr-flex-algo-bw-con-04.txt
[External Email. Be cautious of content]
A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Link State Routing WG of the IETF.
Title : Flexible Algorithms: Bandwidth, Delay, Metrics and
Constraints
Authors : Shraddha Hegde
William Britto A J
Rajesh Shetty
Bruno Decraene
Peter Psenak
Tony Li
Filename : draft-ietf-lsr-flex-algo-bw-con-04.txt
Pages : 29
Date : 2023-01-09
Abstract:
Many networks configure the link metric relative to the link
capacity. High bandwidth traffic gets routed as per the link
capacity. Flexible algorithms provides mechanisms to create
constraint based paths in IGP. This draft documents a generic metric
type and set of bandwidth related constraints to be used in Flexible
Algorithms.
The IETF datatracker status page for this draft is:
https://urldefense.com/v3/__https://datatracker.ietf.org/doc/draft-ietf-lsr-flex-algo-bw-con/__;!!NEt6yMaO-gk!Db--a1RCey-Q7ZXMSpU93MYIPyuVk4YeN_KLhIVN0FsLiqDW8ARDpp485WSQ6jtGcNg-iL_V_VJkQ-71AZ8UPWiFZZw$
There is also an htmlized version available at:
https://urldefense.com/v3/__https://datatracker.ietf.org/doc/html/draft-ietf-lsr-flex-algo-bw-con-04__;!!NEt6yMaO-gk!Db--a1RCey-Q7ZXMSpU93MYIPyuVk4YeN_KLhIVN0FsLiqDW8ARDpp485WSQ6jtGcNg-iL_V_VJkQ-71AZ8Use7KjRU$
A diff from the previous version is available at:
https://urldefense.com/v3/__https://author-tools.ietf.org/iddiff?url2=draft-ietf-lsr-flex-algo-bw-con-04__;!!NEt6yMaO-gk!Db--a1RCey-Q7ZXMSpU93MYIPyuVk4YeN_KLhIVN0FsLiqDW8ARDpp485WSQ6jtGcNg-iL_V_VJkQ-71AZ8UFI_AgUI$
Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts
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