Neil Do you find the model of asynchronous links to premises makes it tougher for everything to get "enough bandwidth" ?
Christian On 7 Jun 2012, at 15:05, Neil J. McRae wrote: > IP networks 101. > > If you have enough bandwidth everything gets a good deal. > > Sent from my iPhone > > On 7 Jun 2012, at 10:42, "Justin Finkelstein" <[email protected]> wrote: > >> nteresting; so it sounds, from what you say, that by default VoIP gets a >> "good deal" out of the available bandwidth? >> >> On 7 June 2012 09:55, Adrian Kennard <[email protected]> wrote: >> On 07/06/12 09:45, Justin Finkelstein wrote: >> > >> > This may be the wrong forum for this message, but I was wondering about >> > how VoIP is handled as part of people's various traffic shaping policies >> > - i.e. is this something people take account of? >> >> Our LNSs know the rate of every line, and shape to match the line rate >> but with small packets having more priority over large - this works well >> for VoIP, but also ACK packets, DNS, interactive (key strokes), etc. We >> find people can fill their line with torrents and still have perfect >> VoIP calls. >> >> > Also: if one of the UK's ISP's decided to implement QoS on their >> > customer base's users and then prioritise VoIP, what kind of impact >> > would this have on the upstream network? >> >> Upstream is not usually an issue as it is not usually congested! >> >
