Page Comparison

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Scale-out architecture

Logically, theImage Added platform is layered into three different zones:

• Access Zone is the layer where users access the system through a graphical interface or command line interface to perform operations and maintenance tasks. 
• Control Zone hosts configurations and provides storage and a range of services that are essential to the systemtheImage Added system.
• Execution Zone is a scale-out layer that provides processing capacity in the system. This layer contains one or several Execution Contexts and Service Contexts, which are distributed over any number of servers.
  • Execution Contexts are responsible for executing and supervising workflows. 
  • Service Contexts host services that workflows running in Execution Contexts can share.

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The Platform, ECs, ECSAs, and SCs run in "containers", that are installed on one or more hosts. Each installation is assigned a container name to identify it uniquely within a systemaImage Added system. One host, physical or virtual, may hold several containers, each one with a unique name and installed in separate home (MZHOME) directories. 

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• The Platform Container runs the Platform and optionally EC, ECSA and SCs. The Platform is always included in a Platform Container installation.
• Execution Containers run ECs, ECSAs and SCs. These pico instances are typically configured after the installation of the container.