Architecture of Cognos8

What is the architecture of cognos8?

pls update ASAP

with regards

vaibhav

Cognos 8 has three tier architect which separated like

1> Web Server

2> Applications

3>Data

These tiers Separated by firewalls

1>web server :- It is the Cognos Gateway by default CGI default gateway

2>Applications : - It has content manager and dispatcer

3>Data :- It has query database