[net2-wg] Fwd: [6lowpan] 6lowpan implementation for TinyOS 2.0

[Philip Levis]

Begin forwarded message:

> From: Matus Harvan <m.harvan at jacobs-university.de>
> Date: May 23, 2007 11:52:51 AM PDT
> To: 6lowpan at ietf.org
> Subject: [6lowpan] 6lowpan implementation for TinyOS 2.0
>
> Hello,
>
> I have implemented a 6lowpan/IPv6 stack for TinyOS 2.0.
>
> The implementation parses Mesh Addressing and Broadcast
> headers. 6lowpan fragmentation and fragment reassembly are fully
> supported. The 6lowpan-specified HC1 compression of the IPv6 header
> and the HC_UDP compression of the UDP header are supported as well as
> handling of the uncompressed headers. The implementation can respond
> to ICMP echo requests and handles communication over the UDP
> protocol. It has been tested on the TelosB and MicaZ motes.
>
> In addition a 6lowpan-translating daemon has been implemented to
> allow a linux PC to use a mote as an 802.15.4 interface.
>
> Shortcomings and missing features:
>  * 6lowpan payload is sent as Active Message payload. This means that
>    the 802.15.4 payload is prefixed with the 1-byte AM Type field.
>  * non-zero Traffic Class and Flow Label are not supported by the
>    current HC1 implementation
>  * UDP port numbers compression is not supported and port numbers are
>    always sent in full by the current HC_UDP implementation
>  * Neighbor Discovery has not been implemented and link local
>    broadcasts are used instead.
>  * Not all fragments of a datagram seem to be always received by the
>    mote. A workaround is to add a usleep(10000) before sending  
> subsequent
>    fragments in the daemon on the PC.
>
> More details can be found in my MSc Thesis
>        http://www.eecs.iu-bremen.de/users/harvan/docs/msc-thesis.pdf
>
> Source code is available from
>        http://www.eecs.iu-bremen.de/users/harvan/files/6lowpan.tar.gz
>
> Best regards,
> Matus
>
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