[spring] Re： [spring]_Re:_Ask_SPRING_WG_for_review_draft-liu-spring-sr-policy-flexible-path-selection

Yisong Liu <liuyisong@chinamobile.com> Mon, 20 January 2025 02:09 UTC

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Date: Mon, 20 Jan 2025 10:08:54 +0800
From: Yisong Liu <liuyisong@chinamobile.com>
To: 梁艳荣 <liangyanrong@ruijie.com.cn>, spring <spring@ietf.org>
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Subject: [spring] Re： [spring]_Re:_Ask_SPRING_WG_for_review_draft-liu-spring-sr-policy-flexible-path-selection
Archived-At: <https://mailarchive.ietf.org/arch/msg/spring/RoeU70crng_c-R3A0-dQS2-RqGc>

Hi Yanrong,

Thank you very much for your feedback. In this draft, we have already reserved the possibility for other parameters. The specific use cases are illustrated with bandwidth and delay as examples, but other parameters can also be included. Moreover, in the related control protocol extension drafts, we will also consider reserving space for user-defined parameter extensions in the subsequent versions.

If you have any further comments or suggestions, please feel free to reach out to us.

Best Regards

Yisong on behalf of co-authors

发件人: 梁艳荣

时间: 2025/01/19(星期日)11:46

收件人: liuyisong;spring;

抄送人: draft-liu-spring-sr-policy-flexible-path-selection;

主题: [spring]_Re:_Ask_SPRING_WG_for_review_draft-liu-spring-sr-policy-flexible-path-selection

Hi Yisong,

In my opinion, this draft solves the problems in current practical applications and is meaningful. 

From a practical application perspective, it seems that the application scenarios may be further expanded. In addition to latency, jitter, and bandwidth as threshold parameters, additional bandwidth consumption can be considered. For example, an SL composed of 4 SID consumes more bandwidth when forwarding data of the same traffic compared to an SL composed of 3 SID; There are also security factors that can affect CP selection; Suggest supporting user-defined multidimensional measurement methods;

Best Regards

Yanrong

On 12/8/2024 9:37 PM, Yisong Liu wrote:

> Dear WG members,

>

>

> With the rise of AI models, new intelligent computing services require 

> enhanced network reliability, especially in quality-sensitive 

> scenarios like storage-compute separation and real-time inference. The 

> draft-liu-spring-sr-policy-flexible-path-selection offers flexible 

> path switching for quality degradation, crucial for maintaining 

> network performance.

>

> This draft proposed a new mechanism to specify multiple candidate 

> paths for SR policies, allowing for more sophisticated traffic 

> engineering. Itsupports dynamic path adjustments based on real-time 

> network conditions, optimizing resource utilization and ensuring high 

> service quality. This draft aims to provide network operators with 

> greater flexibility and control over traffic routing in SR networks.

>

>

> We have just posted a new version. Please see the draft in the 

> following link:

>

> https://datatracker.ietf.org/doc/draft-liu-spring-sr-policy-flexible-path-selection/

>

>

> I hope you can review this draft and share your feedback. Welcome any 

> questions and comments.

>

> Best Regards

> Yisong on behalf of co-authors

>

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[spring] Re： [spring]_Re:_Ask_SPRING_WG_for_revie… Yisong Liu