On Thu, 2 Nov 2000, Joe Shaw wrote:
routing being desired, in many cased, it IS desired.
I'm looking for actual examples. If you have some, I'd love to here them. There has only been one time in the past where I actually wanted asymetrical routing, and it certainly took some work to make traffic flow that way. I'm not saying don't allow it to happen, just make it the default not to allow traffic you're not specifically routing.
90-something percent of our network is asymetrical routing, we provide satellite bandwidth to around 100 ISPs in Australia and New Zealand (and our own direct customers). A small ISP might have a 128k leased wire to a local telco, the buy a dish and a computer with a PCI card and we can provide them with a few hundred kb/s of bandwith. The network is advertised at our US uplink site, transmitted and received by them, outgoing packets go via their local telco. They may advertise their network only for Australian traffic or even not at all. You can even do the same for home customers. There are at least 3 other largish providers doing the same in the Australian market, perhaps totalling 20-40% (rough guess) of total bandwidth into the country. When costs of circuits (the charge change per megabyte of traffic on those circuits) are high you have to do various tricks to keep expenses to a minimum. It's not like in the US where you have a dozen providers you can just order random OCn's from. -- Simon Lyall. | Newsmaster | Work: simon.lyall@ihug.co.nz Senior Network/System Admin | | Home: simon@darkmere.gen.nz ihug, Auckland, NZ | Asst Doorman | Web: http://www.darkmere.gen.nz