Hi Magnus,

Thanks for the feedback! Please see inline below.

On Thu, Sep 26, 2019, at 1:01 AM, Magnus Westerlund wrote:
> 1. Section 4.1: Is there a reason to use TLS 1.2 specification 
> (RFC5246) rather than TLS 1.3 as the general reference? 

Nope! We'll fix this. It was an oversight.

> 2. Comment on the writeup: Considering that ID nits results in the 
> below relevant references warning I would expect some comment in the 
> writeup if they are intentional. If not please update the references. 
> If they are intentional, please update the writeup to note them. 
> 

<snip>

Philipp answered these. (Thanks, Philipp!)

> 3. Section 4.1.2: Is there a point to mention that TLS forward secrecy 
> are dependent on cipher suit for the key exchange and not ensured prior 
> to 1.3? 

Are you asking if we *should* mention that? If so, I think not. That's probably 
too much detail.
 
> 4. Section 4.1.2: Second to last paragraph: Broken reference to DTLS 
> 1.3 draft: “(Note that this extension is only supported in
> 
>  DTLS 1.2 and 1.3 {{?I-D.ietf-tls-dtls13}.)”

Oops, good catch. We'll fix this, too.

> 5. Section 4.3.3: “QUIC transport relies on UDP.” Although QUIC is 
> targeting UDP as its main deployment vessel, isn’t QUIC in fact 
> dependent on a unreliable datagram service. But, maybe writing UDP is 
> more straightforward? 

Indeed! How about, "QUIC transport assumes an unreliable transport, e.g., UDP"?

> 6. Section 4.5.4: When it comes to variants of 
> SRTP. I think referencing RFC 7201 would actually be reasonable, as in 
> the many different options hide some transport security options that so 
> far is not discussed in this document. Like securing multicasted / 
> broadcasted RTP.  

I'm not sure those are new security features, though. Colin, what do you think?

> 7. Section 4.5.4: So are ZRTP included as variant 
> because it provides new security features? Is that session continuity, 
> or something else?  

Colin answered this. (Thanks, Colin!)

> 8. Section 11: There are a number of references 
> here that I don’t think meets the requirement for references. These are 
> the ones that only have a title and n.d. All these could include a URL 
> a date when these pages was visited and contained the information you 
> want to reference.   

We can fix these in the next revision.

Thanks again for the review!

Best,
Chris



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