Network Modeling and Testing with 34 Routers – On One Laptop

Today I’m writing about a recent experience with network modeling and testing in order to support a state-wide enterprise network routing protocol migration (moving an EIGRP domain – about 95 routers – entirely to OSPF). I was responsible for developing a High Level Design for OSPF areas, developing detailed configuration scripts and overseeing the deployment […]

Selling Points of Unity Connection 8.5

I was recently involved in the requirements analysis, architecture, and product selection for a client who is interested in upgrading from a current Unified Communications implementation using CallManager 4.1(3), Unity 4.0(5), and IPIVR 3.5. One major decision point was whether to continue with the current Unity architecture or move to Unity Connection, which is a […]

A few notes on monitoring VoIP performance in enterprise networks

I was recently asked about what products NetQoS has to perform the following functions: Measure jitter, latency, QoS, and MOS (Mean Opinion Scores) for VoIP traffic This isn’t a simple answer, but here is a summary I provided that may be useful. There are different levels of VoIP monitoring…here are the main categories from my […]