SDNA (10GbE Software Defined Network Adapter)

Daniel A. Freedman, Tudor Marian, Jennifer H. Lee, Ken Birman, Hakim Weatherspoon, and Chris Xu. Exact temporal characterization of 10 Gbps optical wide-area network. Proceedings of the 10th Internet Measurement Conference (IMC 2010), November 2010, Melbourne, Australia.
Tudor Marian, Daniel Freedman, Ken Birman, Hakim Weatherspoon. Empirical Characterization of Uncongested Lambda Networks and 10GbE Commodity Endpoints. Proceedings of the 40th Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN-PDS 2010), June 2010, Chicago, IL.

Download the above snapshot. We provide equivalent implementations in python and in C (to build the C version, type 'make').
We provide an example bitstream of iperf UDP traffic contained in the file hbitstream.5000.py (for historical reasons the bitstream is stored in readable python format, namely a list of tuples). To decode the contents (using the python version) type: python decode64b66b.py hbitstream5000.py. The same effect can be achieved by using the C version: ./decode64b66b hbitstream5000.py.
SDNA is a complete software network stack:
- decode64b66b (bitstream) --> {packets and idle symbols}.
- encode64b66b (packets and idle symbols) --> {bitstream}.
For convenience, packetgen can be used to generate a sequence of UDP packets (with optional iperf-compliant headers). The encode64b66b element takes as input a list of N packets as generated by packetgen, and optionally a text file containing N+1 integer values, one per line. Each integer value represents the number of idle symbols (in bytes) that are introduced between packets in the resulting bitstream. (There are N+1 values since we start with idle symbols before the first packet, and we end with idle symbols after the last packet.)

SDNA: 10GbE Software Defined Network Adapter