Siebel Web Architecture

Siebel Web Architecture Upgrading from Siebel 2000 to 7

Siebel Web Architecture Overview
At a high level, the Siebel architecture consists of:
Web clients that access the business data
A Web server that handles interactions with the Web clients
Servers that manage the business data and provide batch and interactive services for clients
A relational database and file system that store business data
Siebel Web Client Web Server Siebel Gateway Name Server Database Server Enterprise Siebel File System Siebel Server(s)

Siebel Clients
Display the interactive Siebel application used to manage the Siebel data
Runs in a variety of environments
Web browsers, WML devices, and PDAs (Windows CE and Palm)

Web Server
Identifies and passes Siebel requests from Web clients to the Siebel servers
Passes completed HTML application pages back to Web clients

Siebel Web Server Architecture
Consists of a third-party Web server with the following additional Siebel components
Virtual directories
Siebel Web Server Extensions (SWSE)
Configuration file (.CFG)
Web Server Virtual Directories SWSE Eapps.cfg Siebel Web Client Siebel Gateway Name Server

Virtual Directory
Exists on the Web server to receive inbound Web client requests for each installed Siebel eBusiness application, and forwards these requests to SWSE

Siebel Web Server Extension (SWSE)
Receives and parses inbound HTTP requests from Web clients
Creates and manages connections to the Siebel Servers or Load Balancer (if implemented)
Routes requests to the appropriate Siebel Server components

Eapps.cfg
Used by the SWSE
Is a single configuration file for all Siebel applications
Contains configuration information, including: connectivity information, login, and security settings
Contains a connect string for each Siebel application

Siebel Gateway Name Server
Is a Windows service or Unix daemon process
Dynamically registers Siebel Server and component availability
Stores component definitions and assignments, operational parameters, and connectivity information
Stored in siebns.dat file located in ea77gtwysrvrADMIN
Siebel Web Client Web Server Siebel Gateway Name Server Enterprise Siebel Server(s)

Enterprise Server
Is a logical collection of Siebel Servers that support users accessing a single database server and a single file system
Logically groups Siebel Servers for common administration via Siebel Server Manager
Supports sharing of common configuration information

Siebel Servers
Execute tasks to manage the business data
Interactive processing (for example: supports the Web client running Siebel Call Center)
Background processing (for example: workflow and business process automation)
Batch processing (for example: volume data importing)
Siebel Web Client Web Server Siebel Gateway Name Server Database Server Enterprise Siebel File System Siebel Server

Siebel Server Architecture
Consists of the following entities:
Siebel Server
Siebel Repository File (.SRF)
Configuration File (.CFG) and Component Parameters
Siebel Web Templates (.SWT)
Server components
Siebel Web Client Web Server Siebel Gateway Name Server Database Server Enterprise Siebel Server .SRF .CFG .SWT Server Components

Siebel Server
Is a Windows service or Unix daemon process
Is the platform that supports interactive, batch, and background processing for all Siebel clients
Controls server components running on a machine
Siebel Web Client Web Server Siebel Gateway Name Server Enterprise Siebel Server .SRF .CFG .SWT Server Components

Siebel Repository File (.SRF)
Separate binary file that defines one or more Siebel applications
Specifies the:
Data presentation
Business rules and processes
Data organization and storage
Enterprise Siebel Server .SRF .CFG .SWT Server Components

Siebel Configuration File (.CFG) and Component Parameters
Specify initialization settings of the application at run time, for example:
Application parameters
Security settings
Siebel Gateway Name Server
Enterprise Server

Siebel Web Templates (.SWT)
Set of template files that specify how to render the UI in the user’s browser
HTML files with embedded Siebel tags defining content

Server Component
Is a program that executes on a Siebel Server
Performs a specific function or job
Examples include:
Importing and exporting data
Configuring the database to monitor for user-defined conditions
Processing of client requests
Examples:
Application Object Manager
File System Manager
Synchronization Manager
Assignment Manager
Enterprise Integration Mgr

Application Object Manager
Is a server component that creates and processes data at multiple levels
UI layer
Business layer
Data layer
Provides the environment in which Siebel applications run
Used by thin clients (Mobile client uses Siebel.exe)
Enterprise Siebel Server Server Components AOM File System Manager Within the AOM, UI layer is supported by the Siebel Web Engine. Data layer is supported by the Data Manager.

Database Server
Stores data used by Siebel e Business Applications in a predefined database schema
Supports a variety of third-party relational database management system (RDBMS)
Database Server Enterprise Siebel Server Server Components AOM File System Manager The Data Manager, within the AOM, controls access to the Database Server

Siebel File System
Is a shared directory that stores compressed files used by Siebel applications
Examples: Product literature, sales tools, presentations
Read/write access is controlled by the File System Manager server component
Easier security administration
Only the user with administrative privileges for the Siebel Server needs access privileges to the file system directories
Enterprise Siebel Server Server Components AOM File System Manager Siebel File System Files System Manager controls access to the Siebel File System 0/3

Uploading an Attachment Using the FSM
Attachments are copied from the user's hard drive and transferred to the Siebel Server
The FSM component compresses the file, and then stores the compressed file in the Siebel File System
Compression and renaming of the files is automated by the FSM
Enterprise Siebel Server Server Components AOM File System Manager Siebel File System Siebel Web Client Web Server Siebel Gateway Name Server File File 2. FSM compresses and renames file 1. File uploaded from local machine 3. File stored in the File System Database Server 1/3

Downloading an Attachment Using the FSM
The attachment download request is received by the FSM, which retrieves the requested file
Decompresses the file and restores its original name
The file is sent back to the user's Web browser
Enterprise Siebel Server Server Components AOM File System Manager Siebel File System Siebel Web Client Web Server Siebel Gateway Name Server File File 2. FSM decompresses and renames file 3. File downloaded to local machine 1. File retrieved from File System Database Server 2/3

Configuring File System Connectivity
Web Clients always connect using the FSM
Mobile Web Clients connect directly to their local file system and synchronise files using the Synchronisation Manager
Dedicated Web Clients can connect directly to the file system or use the FSM
Modify the FileSystem parameter in the .cfg file
[ServerDataSrc] FileSystem = RBMBFS01siebfileatt [ServerDataSrc] FileSystem = *FSM* Directly access the file system Access the file system using the FSM 3/3

Web Usage Login Scenario
Siebel Web Client (browser) sends the URL to the Web server
URL specifies:
Either HTTP or HTTPS protocol
Web server machine name
Application and language
URL initially connects to the virtual directory on the Web server
1. Browser sends URL to Web server Siebel Web Client < browser > Web Server <websrvr1> Virtual Directory [/callcenter_enu] http://websrvr1/callcenter_enu 2. Connects to the virtual directory on the specified Web server

Web Usage Login Scenario Continued
Virtual directory forwards request to the Siebel Web Server Extension (SWSE) installed on the Web server
SWSE uses the eapps.cfg file to obtain connection parameters
Web Server <websrvr1> Virtual Directory [/callcenter_enu] SWSE Eapps.cfg 4. SWSE locates the requested section in eapps.cfg Siebel Web Client < browser > 3. Virtual directory specifies to use SWSE

Eapps.cfg specifies the location of the Gateway, Gateway port number, Enterprise, Application Object Manager, and load balancer information for initial connection
Contains Siebel Server information in the case of no load balancing
Siebel Server <SS1> Enterprise – <Siebel> Application Object Manager SCCObjMgr_enu Web Server <websrvr> Siebel Gateway Name Server <gtwysrvr> 5. eapps.cfg specifies connect string values

Application Object Manager reads configuration file and component parameters, which specify SRF location, application, and so forth
Siebel Server Enterprise <Siebel> Application Object Manager SCCObjMgr_enu .CFG .SRF Database Server Database Server 6. Application Object Manager reads CFG file (or component parameters)

The SWE, as part of the Application Object Manager, reads a set of Web templates that are stored on the Siebel Server and creates HTML pages for the data requested
Siebel Server Application Object Manager SWE .SWT Database Server Database Server 7. SWE reads Web Templates and creates HTML pages Enterprise <Siebel> .CFG .SRF HTML login page

Application Object Manager sends the completed Web page to the Web server, which passes it back to the Web client
Web Server <websrvr1> Siebel Server <SS1> Enterprise – <Siebel> Application Object Manager SCCObjMgr_enu HTML login page Siebel Call Center

Physical Architecture
The Siebel Gateway Name Server, Siebel Server, Database Server, and File System can be implemented on one machine or spread across multiple machines
The Siebel Server(s) should have a high-speed LAN connection to the Database Server
Siebel Gateway Name Server Enterprise Server Firewall Firewall High-speed LAN Web Server SWSE Siebel Server Siebel File System Database Server Siebel Server

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Siebel Web Architecture

by Roman Agaev, PMP® on Nov 08, 2008

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