Re: Router with bandwidth management

[Brian Candler <B.Candler at pobox.com>]

On Mon, May 19, 2003 at 01:17:58PM +0300, John Tully wrote:
> For most end users, the standard and basis of most contracts is a serial 
> modem that is hard limited (by the physical properties of the link) to a 
> certain max speed.

In that case of course there's no problem, it works just fine: the inbound
traffic goes into a queue in the router, and the queue is emptied at
whatever the physical link speed is.

But when you can buy a 100Mbps lan-extension service cheaper than a 2M line,
there's an incentive to use the high-speed physical layer and then try to
impose a limit on top of it. Same with a shared wireless infrastructure.

> Of course the MikroTik offers bursting and queueing also -- except for on 
> simple PPPoE rate limit settings (it is possible to put queuing rate 
> settings also with an extra configuration).

Yep, looks like I need to investigate products from other vendors. I just
want people to know, because it took a long time for me to discover this:
Cisco's CAR is *not* traffic shaping.

Cheers,

Brian.

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