Simon Barratt

Network Design for Collaboration

What is the location of Sametime server in respect to the clients.  Ethernet packet size!

packet size of satellite IP is 300 bytes, ethernet is 1500

Ring model for network design

Traffic Prioritisation

IP Precedence

DiffServer offers 64 classes of precedence, might want to bump up meeting services level of precedence.

Packet capture tool: Sniffer

Encryption

SSL - Make sure you have a plan for certificate renewal

if you use load balancer, co-locate them with the servers, not on the other side of a router

Port Address Translation (PAT)

Most cable and wireless router use PAT, which makes any machine coming in look like they are using the same IP address