Dual-server configuration for WCM

Organizations that need a large website with heavy traffic or that have multiple users authoring content should implement a dual-server configuration. In a dual-server configuration authoring is conducted on one server, or server cluster, and content is delivery to a different server, or server cluster. Authors access and work on the authoring server while website users access the delivery server. This reduces the load on each server and allows you to locate authoring environment behind a firewall.

This diagram illustrates a dual server environment for WCM. Both the delivery and authoring server access the same LDAP and database server in order to access common users, users groups, and content. Using the same LDAP configuration is critical for WCM. website users access the site through a web server that direct the user to the delivery server. On the delivery server you can use either the web content viewer, as illustrated in the diagram, a web content servlet, or a pre-rendered site. New content is syndicated or published to the delivery server.

On the authoring server the following actions occur:

• Create drafts
• Approve drafts
• Test changes
• Publish changes
• Syndicate changes to the delivery server

On the delivery server the following actions occur:

• Host content
• Subscribe to content changes

Hardware and resource considerations

• An authoring environment would normally be a clustered environment to cope with a large number of website creators and web content authors.

• The delivery environment can be a:

  • Web content delivery server or cluster that subscribes to the authoring environment. Content can be delivered using either a web content viewer portlet, the web content servlet or a pre-rendered site.

  • Local portal production environment that subscribes to the authoring environment and delivers web content using a web content viewer.

  • Remote portal production environment that uses WSRP and a JSR 286 web content viewer to display content from the authoring environment.

• A firewall is not depicted in this illustration, but could exist between the authoring and delivery server if required.

Syndication options

There are two syndication options to consider:
Automatic one-way syndication

With this option, changes made in the authoring environment are automatically syndicated to the delivery environment. You would implement this option when you want changes to content to constantly be updated on the live site.

Manual one-way syndication

With this option, changes made in the authoring environment are syndicated to the delivery environment in a single batch. You would implement this option when you only want to update live site on set dates. The changes you make on authoring server gradually accumulate until you are ready to go live with those changes.

Parent

Server topologies
Single-server topology
Stand-alone server topology
Clustered servers topology
Portal farm topology
Single-server topology for WCM
Staging-server topology for WCM
Design servers
Web content authoring environments
Web content delivery environments

 

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