This poster of Office Communications Server 2007 R2 describes the traffic flow of protocols and ports used in each workload. Communications Server 2007 R2 supports the following workloads: IM and Presence, Conferencing, Application Sharing, and Enterprise Voice. These filtered views can assist you in architecting your deployment of Communications Server 2007 R2. The different server roles are described along with server certificate requirements. Firewall and DNS configuration requirements are also described.
About The Author
Anderson Patricio is a Canadian MVP in Cloud and Datacenter Management, and Office Server and Services, besides of the Microsoft Award he also holds a Solutions Master (MCSM) in Exchange, CISSP and several other certifications. Anderson contributes to the Microsoft Community with articles, tutorials, blog posts, twitter, forums and book reviews. He is a regular contributor here at Techgenix.com, MSExchange.org, ITPROCentral.com and Anderson Patricio.org (Portuguese).