RayW
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join:2001-09-01
Layton, UT
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| reply to darylo
Re: Interleave
said by darylo  :what is Interleave? A means of making your line more robust at the cost of a bit of delay (aka latency and sometimes called lag although lag is really another issue. Twitch gamers want *very* low latency to help keep up with the game server many miles away and to get the jump on any opposition).
from »www.wlug.org.nz/Interleaving (spelling corrected to American standard):
A DSL frame is broken into two sections a "Fast" section and an "Interleave" section. In the fast section packets are sent with the FEC information sent directly after the packets. In the interleave section packets are all sent, then the FEC information is sent for each packet. This means that with interleaved packets you must wait for the entire frame to arrive before you can process any packets, but it moves the error correction information away from the data so data corruption is unlikely to take out both the FEC and the actual data. With Interleaving disabled, the FEC is sent directly after the packet, so a packet can be dispatched immediately after it's received (you don't have to wait for the entire frame to arrive), however the FEC is close to the payload data and if the data is corrupted then the FEC is probably corrupt as well and thus it's unable to correct the data.
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