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Diffstat (limited to '3rdparty/openpgm-svn-r1085/pgm/msfec.txt')
| -rw-r--r-- | 3rdparty/openpgm-svn-r1085/pgm/msfec.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/3rdparty/openpgm-svn-r1085/pgm/msfec.txt b/3rdparty/openpgm-svn-r1085/pgm/msfec.txt new file mode 100644 index 0000000..4b2c23a --- /dev/null +++ b/3rdparty/openpgm-svn-r1085/pgm/msfec.txt @@ -0,0 +1,33 @@ +FEC parameters for Microsoft's PGM stack + + +FECBlockSize (n) [FECGroupSize+1, 255] +Maximum number of packets that can be sent for any group, including original data and parity packets. Maximum and default value is 255. + +FECProActivePackets +Number of packets to send proactively with each group. Use this option when the network is dispersed, and upstream NAK requests are expensive. + +FECGroupSize (k) [2, 128] +Number of packets to be treated as one group for the purpose of computing parity packets. Group size must be a power of two. In lossy networks, keep the group size relatively small. + +fFECOnDemandParityEnabled +Specifies whether the sender is enabled for sending parity repair packets. When TRUE, receivers should only request parity repair packets. + + +Reed Solomon codes: + + encode/decode time (us) +RS(255, 2) 4/6 +RS(255, 4) 7/10 +RS(255, 8) 14/18 +RS(255, 16) 29/34 +RS(255, 32) 57/64 +RS(255, 64) 119/134 +RS(255, 128) 236/fail(278) + +reference platform: Intel Xeon CPU 3.20Ghz + + +Implementation exact copy of Luigi Rizzo FEC code as demonstrated in RMDP: + +http://info.iet.unipi.it/~luigi/fec.html |