bandwidth 1 over N

James Knott james.knott-bJEeYj9oJeDQT0dZR+AlfA at public.gmane.org
Fri May 8 01:38:10 UTC 2009


teddymills wrote:
> Unless there is QOS in place, one computer can say take 4 of 5
> mbits bandwidth by Torrent/FTP downloads etc leaving the other
> 9 to share 1 mbits. With QOS, each computer gets a fair share of the
> bandwdith.
>   

QoS generally gives priority to certain types of traffic.  You can
configure "round robin" queuing, which ensures every device gets to
send, though ordinary switches do a decent job of that.  If one computer
has a need for lots of traffice at a given time, and the rest little,
why shouldn't it get most of the bandwidth?  It's not a case of the one
with most the traffic not allowing the others to have some.  Switches
tend to handle packets on a first come, first serve basis, where each
device has equal access.  It is possible to configure other situations,
with better quality switches.  TCP also has mechanisms built in, to
detect bottlenecks and throttle accordingly.




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