Re: Emulating ADSL bandwidth shaping
--- swmike@swm.pp.se wrote: From: Mikael Abrahamsson <swmike@swm.pp.se> On Tue, 4 May 2010, Scott Weeks wrote:
"Interleaved" turned on to correct errors. This adds ~25msec between the CPE and the nearest router. Sometimes folks ask for it to be changed to "Fast". We explain that errors may cause resyncs to happen and then make the change if the customer still wants it. That takes the
: Never seen it cause resyncs, but that might happen, dunno. It definitely causes the DSLAM port to resync sometimes. : It is usually settable to 1,4,16 ms in each direction, so : 25ms is not a "law of nature", it's just the default 16/4 ms : downstream/upstream interleaving and then the added coding delay. We have to set it high because of the OSP. It goes through jungles. Literally. ;-) Some areas get 25-30mph winds every day with 300-400 inches of rain a year. http://www.nature.org/wherewework/northamerica/states/hawaii/preserves/art23... http://farm5.static.flickr.com/4054/4303747828_ce95aea13d.jpg scott
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Scott Weeks