[HECnet] Multinet peerings...?

Paul_Koning at Dell.com Paul_Koning at Dell.com
Thu Jan 14 08:05:14 PST 2016


> On Jan 13, 2016, at 11:31 PM, Steve Davidson <steve at davidson.net> wrote:
> 
> This past Sunday, Johnny and I spent a fair amount of time looking at circuit costs (and performance) between SG1:: and JOCKE:: while testing his new Multinet-tunneling code.  The findings were a bit strange to say the least.  At the moment, the LAN circuit costs here are set to "4" to reflect what the VMS machines set their network interfaces to.  It seems that RSX sets costs to "3".  Why are they different?  Who knows!

The values are somewhat arbitrary; it doesn't really matter what scheme you use but if you are inconsistent the routing may be surprising.

The routing spec has a suggested algorithm (100,000/line speed) which may have made sense in the old days but for modern networks isn't terribly useful.

	paul




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