Showing posts from February, 2010

Telco SLA - parameters and penalties

Communication links provided by Telco providers are critical to most businesses. And as any network admin will tell you, these links tend to have outages, ranging from small interruptions up to massive breakdowns that can last for days. When such interruptions occur, businesses suffer, but unless the provider has serious contractual obligations, there is little effort on their side to improve service or correct issues. That is why businesses need a good Service Level Agreement (SLA). Usually, the preparation of the SLA is dreaded by most, since it is full of numbers and parameters on which the client must decide what is acceptable, and whose values may be difficult to measure. SLA Parameters A good SLA is not necessarily loaded with a lot of numbers. You need to work with 2-3 parameters which are important to you. Here are the most frequent SLA parameters, with their acceptable values: Availability - more then 99% for internet, more then 99.5% for corporate data links Packet