[lp-wan] Fwd: [Schc] draft-architecture-02-inputs New Session

Last :)

---------- Forwarded message ---------
From: Ana Minaburo <anaminaburo@gmail.com>
Date: Tue, May 23, 2023 at 6:40 PM
Subject: [Schc] draft-architecture-02-inputs New Session
To: Pascal Thubert (pthubert) <pthubert@cisco.com>
Cc: lp-wan <lp-wan@ietf.org>, <schc@ietf.org>

Hello Pascal

   - 6. Section 5.3, the first paragraph, "rules cannot be modified during
   the session."
   - I agree with this point defined for the LPWAN applications and star
   topology, but how about other topologies like E2E and mesh and other
   applications like video on demand, audio, or web browsing? The Rules may
   not be fixed during a session, and the context needs to be updated in the
   same session.

Another good thread to have. How this is done would be left to be defined.
E.g., exactly when do the new rules apply? It seems safer/simpler to
negotiate a new "context" and start a new session with that new context.

[Ana] Starting a new session each time a new context is used seems very
heavy.

Especially if each time we need to make AAA security procedures.

For example, How many sessions a TCP connection will use? Is it possible to
keep the SCHC session open as long as the TCP connection or an RTP session
is alive, even if the Context change?

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