Hi!

Soohong Daniel Park wrote:
[1] 6lowpan basic solution as SubIP layer is embedded into the uIP stack ?

No, uIP only includes the IP layer and above.

[2] What you mean by the sentence below ?
"neighbor solicitations are answered"
It implies IPv6 ND Optimization or anything else ?

I basically mean that uIP only does the minimal ICMP processing needed to get communication working: it sends neighbor advertisement messages in response to incoming neighbor solicitation messages for the currently defined IP address (uIP only supports a single IP address for now). uIP does currently not even send neighbor solicitation messages for addresses that are not found in the neighbor list. So it is a very rudimentary IPv6 implementation in this respect.

/adam
--
Adam Dunkels, Swedish Institute of Computer Science
http://www.sics.se/~adam/

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