sob@harvisr.harvard.edu (Scott Bradner) (07/16/89)
We are about to do more of the router testing that we did a while ago. I got a number of comments back after posting the last results pointing out tests we should have done etc. This time, I'd like to get the comments up front so the tests will provide as much information as possible. Here is an outline of the tests we have been thinking of, if you see problems with any of them or would like to suggest others please send me mail. The routers that we expect to test this time are: cisco, Wellfleet, Proteon and "brand X" not yet announced. If you know of others that we should also be testing please let me know. Yes - the results of the tests along with a description of the tests and test setup will be posted when the tests are finished. Scott Bradner Harvard University sob@harvard.harvard.edu 1/ raw speed evenly spaced packets sent through the router - all to same dest within trial, all packets are the same size change sizes between trials a trial is to find max throughput for condition a set of trials checks the effect of changing router setups "normal" enable specific routes - vary # of routes enabled disable specific routes - vary # of routes disabled enable/disable protocols router mode - routing/bridgeing check router counters for accurate counts what happens to router when max throughput reached, can one still talk to processor? what do counters show? 2/ raw speed contd same as #1 but additional dest on same or different output port(s) check for effect 3/ broadcast #1 but add broadcast packets - check for effect 4/ back-to-back packets send n back to back packets with large gap to next batch see how many will be ok what errors (if any) show up in router counters 5/ background what is "idle" state, how many (if any) packets does router send out in "idle" state. 6/ errors send bad packets (bad crc etc) mixed with legit data through router, check for effect on throughput and counters does router toss all bad packets?
bharat@hprnd.HP.COM (Bharat Singh) (07/19/89)
- How about including routers from 3-COM and NCS in your testing. -Bharat