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| Date post: | 21-Jan-2016 |
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CC Cognos Connection
RS Report Studio
AS Analysis Studio
QS Query Studio
ES Event Studio
CS Content Store
FWM Framework Manager
[email protected] +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.
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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
[email protected] +91-8095001166
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.
[email protected] +91-8095001166
[email protected] +91-8095001166
Tier 1: Web
Web Server
Gateway
Web Server
Gateway
IntranetExtranet
Tier 2
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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
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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.
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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
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User Interfaces
Web-based interfaces Windows-based interfacesCognos Connection Framework ManagerQuery Studio TransformerReport Studio Metric DesignerAnalysis Studio Event StudioMetric Studio
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