Re: [Dots] WGLC on draft-ietf-dots-architecture-08

["Konda, Tirumaleswar Reddy" <[e-mail]>]

Thanks Med, update looks good; just one Nit
Redirected signaling is also applicable to DOTS data channel (replace "DOTS signal channel session" with "DOTS session").

-Tiru

> -----Original Message-----
> From: [e-mail] <[e-mail]>
> Sent: Monday, December 3, 2018 12:17 PM
> To: Konda, Tirumaleswar Reddy <[e-mail]>;
> Roman Danyliw <[e-mail]>; [e-mail]
> Subject: RE: WGLC on draft-ietf-dots-architecture-08
> 
> 
> 
> Hi Tiru,
> 
> I updated the file to take into account your feedback:
> 
> Xml: https://github.com/boucadair/IETF-Drafts-Reviews/blob/master/draft-ietf-
> dots-architecture-09.xml
> Diff: https://github.com/boucadair/IETF-Drafts-
> Reviews/blob/master/wdiff%20draft-ietf-dots-architecture-09.txt%20draft-ietf-
> dots-architecture-09.pdf
> 
> Cheers,
> Med
> 
> > -----Message d'origine-----
> > De : Dots [mailto:[e-mail]] De la part de Konda,
> > Tirumaleswar Reddy Envoyé : vendredi 30 novembre 2018 17:14 À :
> > BOUCADAIR Mohamed TGI/OLN; Roman Danyliw; [e-mail] Objet : Re:
> > [Dots] WGLC on draft-ietf-dots-architecture-08
> >
> > Hi Med,
> >
> > I don't fully agree with some of the updates.  I propose the following
> > changes:
> >
> > [1] Replace " A DOTS session can be a DOTS data channel session or a
> > DOTS signal channel session" with "A DOTS session can be a DOTS data
> > channel session or a DOTS signal channel session or both."
> > [2] I thought we agreed to say the following:
> > A DOTS signal channel session is associated with a single transport
> > connection (TCP or UDP session) and an ephemeral security association
> > (e.g. a TLS or DTLS session). Similarly,  a DOTS data channel session
> > is associated with a single TCP connection and an ephemeral TLS security
> association.
> > [3] Direct and recursive signaling is applicable to both DOTS signal
> > and data channel sessions, replace "DOTS signal channel session" with "DOTS
> session".
> > [4] In Section 3.1.2, replace "session" with "DOTS session"
> > [5] Remove the following line:
> > "These sessions may belong to the same or distinct DOTS channels
> > (signal or data).
> >
> > Cheers,
> > -Tiru
> >
> > > -----Original Message-----
> > > From: [e-mail]
> <[e-mail]>
> > > Sent: Friday, November 30, 2018 5:40 PM
> > > To: Konda, Tirumaleswar Reddy
> <[e-mail]>;
> > > Roman Danyliw <[e-mail]>; [e-mail]
> > > Subject: RE: WGLC on draft-ietf-dots-architecture-08
> > >
> > > This email originated from outside of the organization. Do not click
> > > links
> > or
> > > open attachments unless you recognize the sender and know the
> > > content is
> > safe.
> > >
> > > Re-,
> > >
> > > OK. Thanks.
> > >
> > > FWIW, I also made on my side some changes that I'd like to see made
> > > to fix
> > the
> > > issues we discussed so far:
> > >
> > > Xml:
> > > https://github.com/boucadair/IETF-Drafts-Reviews/blob/master/draft-
> > ietf-
> > > dots-architecture-09.xml
> > > Diff: https://github.com/boucadair/IETF-Drafts-
> > > Reviews/blob/master/wdiff%20draft-ietf-dots-architecture-09.txt%20dr
> > > aft-
> > ietf-
> > > dots-architecture-09.pdf
> > >
> > > Feel free to reuse the modified version.
> > >
> > > (Removing parts that were agreed and focusing on the last pending
> > > one)
> > >
> > > > > > >
> > > > > > > > DOTS data channel draft is not using the term "DOTS data
> > > > > > > > channel session", we can fix the signal channel draft to
> > > > > > > > use "DOTS data channel" instead of "DOTS data channel session".
> > > > > > > >
> > > > > > >
> > > > > > > [Med] May be. BTW, this part of the text:
> > > > > > >
> > > > > > > " Conversely, a
> > > > > > >    DOTS session cannot exist without an established signal
> > > > > > > channel
> > "
> > > > > > >
> > > > > > > is conflicting with this one:
> > > > > > >
> > > > > > > "
> > > > > > > To allow for DOTS
> > > > > > >    service flexibility, neither the order of contact nor the time
> > > > > > >    interval between channel creations is specified.  A DOTS
> > > > > > > client
> > MAY
> > > > > > >    establish signal channel first, and then data channel, or
> > > > > > > vice
> > > > versa."
> > > > >
> > > > > [Med] This one is still pending.
> > > >
> > > > The above line looks clear to me, what is the confusion ?
> > > >
> > >
> > > [Med] The problem is not with the last line with this one:
> > >
> > > "DOTS session cannot exist without an established signal channel"
> > >
> > > Which means that dots signal channel session is a pre-requisite for
> > > DOTS
> > data
> > > channel. This is conflict with the other excerpt I cited.
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