Re: [6lowapp] Proposed charter for 6LoWAPP BOF

[Paul Duffy <[e-mail]>]

Hi Donn,

> We welcome other suggestions like XMPP and SIP but we did look at those and
> ruled them out for reasons like:
> 1)  Verboseness (using text string exchanges for devices with very small
> transmit/receive packet sizes)
> 2)  Session management overhead
>   


SIP in the Smart Grid HAN seems a fundamental misfit to SIPs chartered 
intent.

But XMPP gives me pause...

- would not an EXI encoding go a long way to alleviate the verbosity issues?

- RESTful HTTP is a fine choice, but there are requirements for more 
than just request/response messaging patterns in the Smart Grid HAN and 
NAN.  XMPP would offer request/response (sensor reading), pub/sub 
(broadcast announcements), one way async (scheduled reads), presence for 
endpoint status, etc.

- how is XMPP session management any more onerous that HTTP over TLS?  
This assuming of course that TCP is doable.

Cheers


> Don
>
>
>
>