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March 17, 2003
QoS pioneering
Last week we met with Brix, a company that makes QoS- and SLA-measurement products.
One of the major concerns I have about implementing QoS in our network is whether it solves the problem, or contributes to it. How do we baseline the current quality of the network, how do we know if it improves when we implement QoS in the routers? When there's a problem, how do we know if it's being caused by the network QoS feature or something else?
I have long suspected, and now feel sure, that we are going into territory that few people have been through yet. While there is no shortage of "experts" on IP QoS, all of these speak from a (theoretical) design and maybe implementation perspective. Few, if any, have any QoS experience outside of a LAN or small WAN environment. And only a handful can talk about operational QoS issues. I wish that "I've never seen QoS cause problems" could be reassuring; somehow it's not.
Finding Randy Weathermon and MOREnet was a welcome relief, and we learned a lot of invaluable information from both of them. We are meeting this week with some local people who have now failed three times in their QoS implementation, I am looking forward to what they have to say.
Posted by pete at March 17, 2003 09:46 PM
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