Edge Server placement is critical in a deployment to optimize media paths. The SIP signaling used for presence and IM is more tolerant of slight delays, but web conferencing and A/V traffic are sensitive to latency, so it is important to properly plan Edge Server placement.
As a rule of thumb, Edge Servers are generally deployed in any location with a Front End pool that supports remote conferencing or A/V features. This isn’t a mandate, and there are many other factors at play, but Edge Servers typically exist near a Front End pool.
For example, consider a small deployment for Company ABC, as shown in Figure 31.1, where a single Front End Server in San Francisco exists. In this deployment, only a single Edge Server ...