Cognos 8 BI: What are gateways in the Cognos Webserver tier?

IBM Cognos Business Intelligence

Reporting, OLAP and Performance Management

What are gateways in the Cognos Webserver tier?

The IBM Cognos 8 Web server tier (tier 1.) contains one or more gateways. Web communication in IBM Cognos 8 is typically through gateways, which reside on one or more Web servers. A gateway is an extension of a Web server program that transfers information from the Web server to another server.
For failover, the gateway can be configured to know the location of multiple dispatchers.

Upon receiving a request, the IBM Cognos 8 gateway does the following:

encrypts passwords to ensure security

extracts information needed to submit the request to an IBM Cognos 8 server

attaches environment variables for the Web server

adds a default namespace to the request to ensure that the server authenticates the user in the correct namespace

passes requests to an IBM Cognos 8 dispatcher for processing

Back to the IBM Cognos COG-122 certification materials

Comments

Added on 2009-04-24 10:15:18 by Kumar:

This will help a lot to the people who want to learn Cognos

Added on 2009-11-21 17:42:50 by ranjan:

doubt on #3 - what kind of environment variables will be passed to webserver. is there any set of list.
doubt on #4 - do we set default namespace in cognos config? can i set default name space for the user? intention user have to go directly to cognos connection. i realize sometime without asking namespace it will directly go to cognos connection...
how it is?