Re: transport protocol over 6lowpan

Why not UDP?  If ipv6 sets up the routing then valid ipv6 packets will have 
to be sent, and UDP only adds 6 more bytes. You could add a "raw socket" 
layer to make the overhead transparent.

To answer the question, calling  NETSTACK_NETWORK, NETSTACK_MAC, 
NETSTACK_RDC, or NETSTACK_RADIO.send will send data from packetbuf of 
increasing arbitrariness. NETWORK does the 6lowpan, MAC the csma and 
retransmission, RDC the 802154 framing, and RADIO nothing.

-----Original Message----- 
From: Michał Król
Sent: Tuesday, June 26, 2012 3:50 AM
To: Contiki developer mailing list
Subject: [Contiki-developers] transport protocol over 6lowpan

Hi,

I'm trying to develop some transport protocol solutions in contiki. To do it 
I need to have possibility to send raw ipv6 packets in 6lowpan environment 
with established routing (RPL seems to be the best solution).

As far as I know in Contiki there are two stacks - Rime and uIP. However uIP 
give me access only to sending UDP or TCP packets, while RIME doesn't work 
above IPv6 layer, and doesn't have any routing defined.

So here's my question - what is the best way to send raw IP packets in 
Contiki, to implement my solutions?

Thanks in advance 

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