Hi Roman

Thank you for your review. Below are the answers I will make an update shortly. 

Don 

-----Original Message-----
From: IPsec <ipsec-boun...@ietf.org> On Behalf Of Roman Danyliw
Sent: Friday, May 6, 2022 4:25 PM
To: ipsec@ietf.org WG <ipsec@ietf.org>
Subject: [IPsec] AD Review of draft-ietf-ipsecme-yang-iptfs-05

Hi!

I performed an AD review of draft-ietf-ipsecme-yang-iptfs-05.  Thanks for this 
complementary work to draft-ietf-ipsecme-iptfs.  Feedback is below.

** Section 2.  Editorial. s/ipsec/IPsec/
[Don]OK

** Section 2.  Typo. s/to fll/to fill/
[Don]OK

** Section 2.  Typo? Per "RFC [RFC9061] has a set of ", this strikes me as an 
odd way to make the reference.  Was it supposed to be "RFC 9061 [RFC9061]"?  I 
would recommend "RFC9061 [RFC9061] defines as set of".
[Don]Yes Thanks

** Section 2.  Editorial. s/IP-TFS YANG/The IP-TFS YANG module/
[Don]OK

** Section 3.2. Leaf rx-incomplete-pkts.  To check my understanding, this is a 
count of inner packets for which not all of the necessary fragments arrived?
[Don] Yes IP-TFS specifies a window for receiving fragments. The incomplete 
packets are packets where one or more fragments was not received within the 
allowed window and the packet is discarded.

** Section 3.2. Leaf out-packet-size.  Please state the units (bytes?).
[Don]OK

** Section 5.  Please use the YANG security template as a means to be specific 
about the read and write implications of this module.
[Don]OK

** Section 5.

   IP-TFS hides the traffic flows through the network, anywhere that
   access YANG statistics is enabled needs to be protected from third
   party observation.

Can this sentence please be restated as is doesn't parse.  Is the intent to say 
that the statistics need to be access controlled?  The template references 
above would help here.

[Don]OK The intent was access to YANG Statistics can reveal traffic information 
and that should be mentioned as a security consideration. 

Suggest :

   IP-TFS hides the traffic flows through the network, however anywhere that 
IP-TFS
   YANG statistics access is enabled, can reveal some information about traffic 
flows as well. 
   Therefore, access to IP-TFS YANG statistics also needs to be protected from 
third 
   party observation.


** Section A.*.  Editorial.  s/ipsec/IPsec/
[Don]OK

** Section A.*.   Editorial. s/ikeless/IKE-less/
[Don]OK

** Section A.5.  Typo.  s/json/JSON/
[Don]OK
** Section A.5.  Typo. s/formated/formatted/
[Don]OK

** Section A.5.  

   <tfs:traffic-flow-security> <tfs:reorder-window-
   size>300</tfs:reorder-window-size>

There is an XML fragment at the very end of the document.  Is that a typo?
[Don] Yes this seems to be a fragment from an earlier version there is no 
reorder-window-size just window-size. 


Thanks,
Roman

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