Re: [xrblock] Secdir last call review of draft-ietf-xrblock-rtcweb-rtcp-xr-metrics-08

["Huangyihong (Rachel)" <[e-mail]>]

Hi Brian,

Thank you for the comments. We'll fix these nits in the next version.

BR,
Rachel

> -----Original Message-----
> From: xrblock [mailto:[e-mail]] On Behalf Of Brian Weis
> Sent: Friday, February 23, 2018 4:04 AM
> To: [e-mail]
> Cc: [e-mail]; [e-mail];
> [e-mail]
> Subject: [xrblock] Secdir last call review of
> draft-ietf-xrblock-rtcweb-rtcp-xr-metrics-08
> 
> Reviewer: Brian Weis
> 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 last call comments.
> 
> This document describes monitoring features related to media streams  in
> Web real-time communication (WebRTC).  The monitoring features are sent in
> Sender and Receiver Reports through RTCP along with other metrics related to
> the transport of multimedia flows. The new monitoring features are comprised
> of packet counts and other packet-related statistics (e.g., jitter).
> 
> The Security Considerations states that there are no additional security
> considerations beyond those mentioned in related documents, and I believe
> this is true. There is one reference in this section that needs to be fixed:
> [RFC3792] is not correct. I assumed it should have been RFC 6792.
> 
> Also, it would be helpful to add a reference in Section 5.3 to RFC 7294 to
> identify the source for "concealment metrics". A security reviewer will naturally
> want to know what property "concealment" is intended to provide, and it took
> some hunting down to find it and determine that it wasn't relevant.
> 
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