I am the assigned Gen-ART reviewer for this draft. For background on
Gen-ART, please see the FAQ at
<http://wiki.tools.ietf.org/area/gen/trac/wiki/GenArtfaq>.
Please resolve these comments along with any other Last Call comments
you may receive.
Document: draft-ietf-sfc-architecture-08
Reviewer: Tom Taylor
Review Date: 2015-05-17
IETF LC End Date: 2015-05-25
IESG Telechat date: 2015-05-28
Summary:
There is one IPR declaration, which was repeated for two predecessor
documents but not for the current draft. The draft is basically ready to
go with a very minor issue and a few nits.
Major issues:
Minor issues:
The Security Considerations section rightly mentions the need to avoid
leaking SFC information. However, it does this under the heading of
"Classification". Could I suggest that the first two sentences of the
"Classification" bullet be separated out under the title "Boundaries"?
Nits/editorial comments:
Sec. 1.2, third bullet from the bottom: spell out SFF on first use, and
give a forward reference to the next section, i.e.,
"...interconnect the Service Function Forwarders (SFFs, see next
section) ..."
Sec. 1.2, next bullet: according to the RFC Editor Style Guide
abbreviations list, FIB and RIB are not well-known abbreviations, hence
need to be spelled out.
Sec. 1.3, Service Function Forwarder, last line: spell out SFP? I know
the definition is just a few lines down, so this is a maybe.
Alternative suggestion: introduce a Section 1.3.1 at the beginning of
the section, as follows:
"1.3.1 Key Abbreviations
The terms listed here are defined in Section 1.3.2.
SF Service Function
SFC Service Function Chain or Service Function Chaining
SFF Service Function Forwarder
SFP Service Function Path
RSP Rendered Service Path"
Sec. 2.1, second para., third line from bottom: s/the the/the/
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