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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: outages, quality monitoring, trouble tickets, etc
Jonathan Heiliger <[email protected]> writes > On Nov 27, 9:17am, Sean Doran wrote: > > Jonathan> Everyone likes to portray > > Jonathan> the image of having a 99.98% uptime whenever > > Jonathan> possible, even though most folks realize > > Jonathan> that it just plain isn't possible > > > > Well, more importantly, what on earth does a number like > > that mean? > > Sorry, bad choice of words. Rather than uptime, availability would be the > proper word. Availability tends to be the amount of time the network is > "available" for the customer to receive their expected service (whether > guaranteed in writing or not), and for the customers expectation of how the > service will perform when it is considered "in-service" is met. This is reasonable expectation, but unfortunately it's pretty difficult to measure what "the network" is. Do you mean your NSPs backbone? Its connections to other NSPs? Connections to a specific site? Global connectivity? How do you factor when you or a target site is singly connected? -scott
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