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Oracle® Fusion Middleware Enterprise Deployment Guide for Oracle WebCenter Portal
11g Release 1 (11.1.1.7.0)

Part Number E12037-08
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1 Enterprise Deployment Overview

This chapter provides an overview of the enterprise topology for Oracle WebCenter Portal. It contains the following sections:

1.1 About the Enterprise Deployment Guide

The Enterprise Deployment Guide is an Oracle best practices blueprint based on proven Oracle high-availability and security technologies and recommendations for an Oracle WebCenter Portal enterprise deployment. The best practices described in these blueprints span many Oracle products across the entire technology stack: Oracle Database, Oracle Fusion Middleware, and Enterprise Manager Fusion Middleware Control.

An Oracle Fusion Middleware enterprise deployment:

For more information on high availability practices, see the Oracle Database High Availability page on Oracle Technology Network at: http://www.oracle.com/technetwork/database/features/availability/maa-best-practices-155366.html

Note:

The Oracle Fusion Middleware Enterprise Deployment Guide for Oracle WebCenter Portal focuses on enterprise deployments in Linux environments. However, you can also implement enterprise deployments using UNIX and Windows environments.

1.2 Enterprise Deployment Terminology

This section identifies terms used to describe components in prior releases, and the terms to which they correlate in 11g Release 1 (11.1.1.7.0)

1.3 Benefits of Oracle Recommendations

The Oracle Fusion Middleware configurations discussed in this guide are designed to ensure security of all invocations, maximize hardware resources, and provide a reliable, standards-compliant system for enterprise computing with a variety of applications.

The security and high availability benefits of the Oracle Fusion Middleware configurations are realized through isolation in firewall zones and replication of software components.

1.3.1 Built-in Security

The enterprise deployment architectures are secure because every functional group of software components is isolated in its own DMZ, and all traffic is restricted by protocol and port. The following characteristics ensure security at all needed levels, as well as a high level of standards compliance:

  • Configure external load balancers to redirect all external communication received on port 80 to port 443.

    Note:

    The Oracle Technology Network (http://www.oracle.com/technology/index.html) provides a list of validated load balancers and their configuration at http://www.oracle.com/technetwork/middleware/ias/tested-lbr-fw-sslaccel-100648.html.

  • Communication from external clients does not go beyond the Load Balancing Router level.

  • No direct communication from the Load Balancing Router to the data tier is allowed.

  • Components are separated in different protection zones: the web tier, application tier, and the data tier.

  • Direct communication across two firewalls at any one time is prohibited.

  • If a communication begins in one firewall zone, it must end in the next firewall zone.

  • Oracle Internet Directory is isolated in the data tier.

  • Oracle Identity Management components are in a separate subnet.

  • All communication between components across protection zones is restricted by port and protocol, according to firewall rules.

1.3.2 High Availability

The enterprise deployment architectures are highly available, because each component or functional group of software components is replicated on a different computer, and configured for component-level high availability.