Date: Tue, 7 Jan 1997 19:31:16 +0100 (MET) From: Luigi Rizzo <luigi@labinfo.iet.unipi.it> To: hackers@freebsd.org Subject: FEC techniques and a C implementation Message-ID: <199701071831.TAA07646@labinfo.iet.unipi.it>
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If someone is interested, I have written a C implementation of an
erasure code which I believe to be reasonably flexible and efficient
for use within TCP/UDP/IP-based protocols. Typical encoding/decoding
speeds on a Pentium133 are in the 1..10 MB/s range depending on
the actual parameters.
This encoding can be used both to reduce the experienced loss rate
on unicast/multicast communications, or to build reliable multicast
applications (e.g. multi-FTP, parallel download of software, etc.)
A brief description with pointers to the source code (very short)
and a draft paper describing the implementation, its performance
and possible applications is available at the following URL:
http://www.iet.unipi.it/~luigi/fec.html
Comments suggestions and bug reports are welcome. Also, suggestions
for useful applications related to FreeBSD or its distribution are
sought.
Cheers
Luigi
-----------------------------+--------------------------------------
Luigi Rizzo | Dip. di Ingegneria dell'Informazione
email: luigi@iet.unipi.it | Universita' di Pisa
tel: +39-50-568533 | via Diotisalvi 2, 56126 PISA (Italy)
fax: +39-50-568522 | http://www.iet.unipi.it/~luigi/
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