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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

TalkTalk Wholesale Line Profiles: Difference between revisions

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==Interleaving, Error Correction and Delay==
Packets of data that are transferred across a DSL line are split down into smaller blocks of data; these are then sent sequentially sent across the DSL line. As they arrive at the receiving end, they reconstructedare backrecombined into the original larger packets of data.
 
If one block of a larger packet is lost due to line interference, the packet can be recreated using the remaining blocks that were received; data blocks reserve some space for data which can salvage a partially damaged block. This is known as Error''error Correctioncorrection''. Interleaving can be used as a form more robust form of error correction.
 
The ‘Delay’‘delay’ of the Interleavinginterleaving is simply a measurement of the size of the interleaving buffers. The size is measured in milliseconds (ms).
Milliseconds (ms).
 
The buffer sizes available on the TalkTalk network are:
*Off (Fastfast)
*8ms
*16ms
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