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Operations Basics / Version 2107

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2.2 Communication of Components

A CoreMedia system is separated into a management environment where the editors are working and a delivery environment where the customers access the website. The environments can be separated by a firewall for security reasons. The applications communicate via HTTP and CORBA, see Section 4.4, “Communication between the System Applications” for details. Table 2.1, “CoreMedia applications” shows all applications of CoreMedia CMS, describes what they do, if there are multiple instances and with which applications they communicate:

Application Purpose Multiple Instances Communicates with
Content Management Server (For more information, check out: Section 2.1, “The Content Server” in Content Server Manual9 Manages the content in the Management Environment and publishes content to the Master Live Server. No
  • All clients

  • Publishes content to the Master Live Server

  • External relational database

  • Search Engine

Master Live Server (For more information, check out: Section 2.1, “The Content Server” in Content Server Manual) Manages the content in the Delivery Environment Multiple instances when Multi-Master is used
  • All clients.

  • External relational database

Replication Live Server (For more information, check out: Section 2.2, “Replication Live Servers” in Content Server Manual) Serves content to the CAEs Multiple instances can be attached to one Master Live Server
  • Content Application Engine

  • External relational database

Workflow Server (For more information, check out: Chapter 2, Overview of CoreMedia Workflow in Workflow Manual) Executes workflows No Content Management Server
Site Manager (For more information, check out: Site Manager Developer Manual) Management tool for workflows and users. Yes
  • Content Management Server

  • Workflow Server

Studio (For more information, check out: Section 2.1, “Architecture” in Studio Developer Manual) Content editing and management. Hosts management extensions for Elastic Social and Adaptive Personalization. One web application
  • Content Management Server

  • Search Engine

  • Workflow Server

  • MongoDB

  • External relational database

Search Engine (For more information, check out: Chapter 3, Search Engine in Search Manual) Indexes content and provides searches functionality. Yes.
  • Content Management Server

  • Content Feeder

  • CAE Feeder

  • Studio

  • Content Application Engine

CAE Feeder (For more information, check out: Chapter 5, Searching for CAE Content Beans in Search Manual) Feeds content beans into the Search Engine Multiple instances possible, for example when reindexing.
  • Content Management Server

  • Search Engine

  • External relational database

Content Feeder (For more information, check out: Chapter 4, Searching for Content in Search Manual) Serves content to the Search Engine Multiple instances possible, for example when reindexing.
  • Content Management Server

  • Search Engine

Content Application Engine (For more information, check out: Chapter 2, Overview in Content Application Developer Manual) Serves sites to the customer. Hosts Elastic Social and Adaptive Personalization extension. Multiple instances can be attached to one Master Live Server or Replication Live Server
  • Content Server

  • MongoDB database for Elastic Social

  • Search Engine

  • Custom external systems

Importer (For more information, check out: Chapter 3, Administration And Operation in Importer Manual) Imports content into the Content Management Server. Yes
  • Content Management Server

Watchdog (For more information, check out: Section 4.9, “CM Watchdog/Probedog”) Monitors CoreMedia applications and databases Yes Monitored applications

Table 2.1. CoreMedia applications


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