Cognos 8 BI

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+91-8095001166Cognos.trainer@gmail.com

CC Cognos Connection

RS Report Studio

AS Analysis Studio

QS Query Studio

ES Event Studio

CS Content Store

FWM Framework Manager

Cognos.trainer@gmail.com +91-8095001166

Cognos 8 ArchitectureCognos 8 has a multitier architecture. For description purposes, it can be separated into three tiers: Web server, applications, and data. The tiers are based on business function, and are typically separated by network firewalls. Cognos 8 user interfaces sit above the tiers.

Tiered Architecture

Tier 1 Web

Tier 2Application

Tier 3 Data

Tier 1 Web

Tier 2Application

Tier 3 Data

Web Server Gateway

DispatcherPresentation Administration Notification Reporting Scheduling Logging

Content Management

Security

Cognos 8 ArchitectureCognos 8 has a multitiered architecture. For description purposes, it can be separated into three tiers: Web server, applications, and data. The tiers are based on business function, and are typically separated by network firewalls. Cognos 8 user interfaces sit above the tiers.

Cognos 8 Architecture

Tier 1: Web

Web Server

Gateway

Web Server

Gateway

IntranetExtranet

Tier 2

Web Server: Cognos 8 GatewaysThe Cognos 8 Web server tier contains one or more Cognos 8 gateways.Web communication in 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.When a Cognos 8 gateway receives a request, it• encrypts passwords to ensure security• extracts information needed to submit the request to a 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 a Cognos 8 dispatcher for processing

Tier 2: Application

Applications: Cognos 8 ServersThe Cognos 8 applications tier contains one or more Cognos 8 servers. A Cognos 8 server runs requests, such as reports, analyses, and queries, that are forwarded by a gateway.

Cognos 8 Servers includes

•Dispatcher•Content Manager

DispatcherThe dispatcher starts all Cognos 8 services configured and enabled on a computer, and routes requests.

Content ManagerContent Manager is the Cognos 8 service that manages the storage of customer application data, including security, configuration data, models, metrics, report specifications, and report output. Content Manager is needed to publish models, retrieve or store report specifications, manage scheduling information, and manage the Cognos namespace.

Tier 2: Dispatcher

Java Servlet running on Tomcat (OOTB) Load balancing and request delivery Main entry point for inbound requests from web server

gatewayLoad balancing

Redirect requests to other dispatchersRequest delivery

Determines which service performs the request

Tier 2: Dispatcher - Request

Tier 2: Dispatcher - Load Balance

Tier 2: Administration Scheduling and Notification

Tier 2: Report

Tier 2: Logging

Tier 3: Data

Tier 3: Security

User Interfaces

Web-based interfaces Windows-based interfacesCognos Connection Framework ManagerQuery Studio TransformerReport Studio Metric DesignerAnalysis Studio Event StudioMetric Studio

Cognos 8 BI

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