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Basic architecture

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The document describes the major components of Ubuntu Linux architecture for an IEEE website. It includes Ubuntu Linux, Xen virtual servers, HAProxy for load balancing, Liferay portal, Apache web servers, Tomcat servlet container, Alfresco content management, MySQL databases, OpenX ad server, and CAS authentication. It also discusses the functions of HAProxy, Xen virtual servers, Liferay portal, Alfresco, OpenX, and cache servers.

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www2.computer.org Basic Architecture Leo Wadsworth, Staff Manager April 2008
Major Components Ubuntu Linux Xen Virtual Servers HAProxy Liferay Portal Apache web servers Tomcat servlet container Alfresco content management MySQL databases OpenX ad server CAS authentication Alfresco Cache Server DL Cache server
Debian-based Linux distribution Server and desktop versions Easy administration tools Enterprise cross-domain authentication and single sign on Integrated with IEEE LDAP Uses IEEE Web Accounts
HAProxy Controls load balancing and failover Admin tool gives easy visibility into entire system Xen Virtual Servers
Standard LAMP Stack Apache Tomcat
Award-winning enterprise class open- source portal server Integrated with IEEE web accounts True portal system with tightly integrated collaborative tools Includes over 60 portlets Page layout of portlets done using drag and drop Available on a variety of platforms, we are using Tomcat
Award-winning enterprise class open-source document and content management system Able to manage millions of items/documents Integrated with IEEE web accounts Available on a variety of platforms, we are using Tomcat
World leading enterprise class open- source advertising server Written using PHP Able to server millions of impressions in a variety of formats We are running PHP on Apache webservers
Alfresco Cache Server Alfresco Cache Server Increases the speed of serving Alfresco content Consists of clustered Apache servers – simple, robust, fast Simplifies the role and implementation of the Alfresco server
Digital Library Cache Server Increases the speed and robustness of serving Digital Library content Provides XML data to the Digital Library portlet Designed for future growth and capabilities
Overall Architecture

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Basic architecture

  • 2. Major Components Ubuntu Linux Xen Virtual Servers HAProxy Liferay Portal Apache web servers Tomcat servlet container Alfresco content management MySQL databases OpenX ad server CAS authentication Alfresco Cache Server DL Cache server
  • 3. Debian-based Linux distribution Server and desktop versions Easy administration tools Enterprise cross-domain authentication and single sign on Integrated with IEEE LDAP Uses IEEE Web Accounts
  • 4. HAProxy Controls load balancing and failover Admin tool gives easy visibility into entire system Xen Virtual Servers
  • 6. Award-winning enterprise class open- source portal server Integrated with IEEE web accounts True portal system with tightly integrated collaborative tools Includes over 60 portlets Page layout of portlets done using drag and drop Available on a variety of platforms, we are using Tomcat
  • 7. Award-winning enterprise class open-source document and content management system Able to manage millions of items/documents Integrated with IEEE web accounts Available on a variety of platforms, we are using Tomcat
  • 8. World leading enterprise class open- source advertising server Written using PHP Able to server millions of impressions in a variety of formats We are running PHP on Apache webservers
  • 9. Alfresco Cache Server Alfresco Cache Server Increases the speed of serving Alfresco content Consists of clustered Apache servers – simple, robust, fast Simplifies the role and implementation of the Alfresco server
  • 10. Digital Library Cache Server Increases the speed and robustness of serving Digital Library content Provides XML data to the Digital Library portlet Designed for future growth and capabilities