1.2.3 Supporting multi-tenancy by allocating multiple J2EE servers

If you allocate multiple J2EE servers, you can configure multi-tenancy with the business processes (applications) partitioned for every tenant by effectively utilizing the host resources. You can set up Web front system that supports multi-tenancy by allocating multiple J2EE servers and adding a group of logical servers, including J2EE server, based on the single Web front system.

• Example of system configuration

  The following figure shows an example of configuring a Web front system that supports multi-tenancy by allocating multiple J2EE servers:

  Figure 1‒5: Example of configuring Web front system that supports multi-tenancy by allocating multiple J2EE servers

• Tasks and their necessity

  The following table describes the tasks to be executed for configuring a Web front system that supports multi-tenancy by allocating multiple J2EE servers and necessity of these tasks.

  Table 1‒3: Tasks to be executed for configuring a Web front system that supports multi-tenancy by allocating multiple J2EE servers and necessity of these tasks

  Tasks to be executed for configuring a Web front system that supports multi-tenancy by allocating multiple J2EE servers	Necessity of executing the task	Conditions for executing the task	References
  Preparing a database	Y#	Connecting to the database	2.1.1
  Installing Application Server	Y	Mandatory (when the OS is Windows)	2.2.2
  		Mandatory (when the OS is AIX)	2.2.3
  		Mandatory (when the OS is Linux)	2.2.4
  Installing the products used for connecting to the database	Y#	For connecting to the database	2.2.5
  Setting up the system environment	Y	Mandatory	2.2.6
  Timeout settings	A	When changing to the system environment definition that fulfills the system requirements	2.2.9
  Setting and starting business applications	Y	Mandatory	2.2.10
  Allocating multiple J2EE servers	Y	Mandatory	2.4.1

  Legend:

  Y: Mandatory tasks.

  A: Tasks to be executed with the execution conditions are fulfilled.

  #: In the Example of system setup described in this manual, connection with the database is a prerequisite. Therefore, this task is mandatory.

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