Hi, Magnus:

Thanks for your comments and suggestions. I have updated the document and will 
submit it together with other expert's review.
Some detail responses are inline below.


Best Regards

Aijun Wang
China Telecom

-----邮件原件-----
发件人: forwardingalgori...@ietf.org [mailto:forwardingalgori...@ietf.org] 代表 
Magnus Nystr?m via Datatracker
发送时间: 2024年8月22日 12:31
收件人: sec...@ietf.org
抄送: draft-ietf-pce-pcep-extension-native-ip....@ietf.org; last-c...@ietf.org; 
pce@ietf.org
主题: [Pce] Secdir last call review of draft-ietf-pce-pcep-extension-native-ip-34

Reviewer: Magnus Nyström
Review result: Has Nits

I have reviewed this document as part of the security directorate's ongoing 
effort to review all IETF documents being processed by the IESG. These comments 
were written primarily for the benefit of the security area directors. 
Document editors and WG chairs should treat these comments just like any other 
comments.

- It is clear that Section 10 and Section 11 are intended to be normative since 
they contain capitalized keywords (e.g., "SHOULD"). However, it is not clear to 
me if Section 9 is intended to be normative or informative. There are several 
lower-case "should" in Section 9 which makes me suspect that the Section is 
informative, but would be good to clarify.

【WAJ】:Normative. I have switched "should" with "SHOULD" in this section and 
other parts within the document.

- Security Considerations: This section contains the following text: "To 
prevent a bogus PCE from sending harmful messages to the network nodes, the 
network devices should authenticate the validity of the PCE and ensure a secure 
communication channel between them.  Thus, the mechanisms described in 
[RFC8253] for the usage of TLS for PCEP and [RFC9050] for malicious PCE should 
be used." Firstly, did this intend to just say "authenticate the PCE"? I am not 
sure what "authenticate the validity" means, and it seems that authentication 
of the PCE should suffice (assuming that it, after having been authenticated, 
can be identified as a valid PCE)?
【WAJ】Yes. "Authenticate the PCE" is enough. Have omitted the "validity" in the 
updated document. Thanks for your clarification. 

Secondly, did the second sentence intend to state "... and [RFC9050] for 
protection against malicious PCEs should be used"?
【WAJ】Yes. Thanks for the clarification. Have updated the document accordingly.

Thirdly, was that last "should" intented to be lower-case (i.e., informative)?
【WAJ】s/SHOULD already.

Thanks,
Magnus


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