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I was doing some research on the costs and causes of network downtime and came across a more recent white paper than the information from 2001 that I had previously found. This paper, The Impact of Network Downtime on Business Today , was done in 2007...
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Some network management systems track reachability by pinging network devices. In fact, at a Networkers a few years ago, the Cisco IT team talked about using 5 second pings to measure network availability (what I prefer to call reachability) in the Cisco...
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A few weeks ago, I described SLAs based on device reachabilty or uptime. Today's topic is about SLAs based on network QoS. There are many apps like VoIP and SAP that are intolerant of large variations in network performance characteristics. Even though...
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My prior post about SLAs described calculation methodologies. But what data must be collected for those calculations and what's a useful calculation methodology? A business with high availability requirements may prefer an SLA that measures connectivity...
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Scott Hogg just did a post on his Network World Blog that mentioned SLAs (Service Level Agreements). It is a very timely article for me because I'm working with a customer who wants to define network SLAs. The task becomes one of selecting an appropriate...
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