Defining the Application Type


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Setting Up a BEA Tuxedo Application

Among the architectural decisions needed for a BEA Tuxedo application are the following:

Should this application run on a single processor or multiprocessor with global shared memory?
Will the application be networked?
Will server migration be supported?

Use the MODEL and OPTIONS parameters to define the application type.

The MODEL parameter specifies whether an application runs on a single processor. It is set to SHM for uniprocessors and also for multiprocessors with global shared memory. A MODEL value of MP is used for multiprocessors that do not have global shared memory, as well as for networked applications. This is a required parameter.

The OPTIONS parameter is a comma-separated list of application configuration options. Two available options are LAN (indicating a networked configuration) and MIGRATE (indicating that application server migration is allowed).

Characteristics of the MODEL and OPTIONS Parameters

Parameter
Characteristics

MODEL

It is a required parameter. A value of SHM indicates a single machine with global shared memory. A value of MP indicates either multiple machines without global shared memory, or a networked application.

OPTIONS

It is a comma-separated list of application configuration options. A value of LAN indicates a local area network. A value of MIGRATE enables server migration.

In the sample RESOURCES section, MODEL is set to MP; OPTIONS is set to LAN and MIGRATE.

Parameter	Characteristics
MODEL	It is a required parameter. A value of SHM indicates a single machine with global shared memory. A value of MP indicates either multiple machines without global shared memory, or a networked application.
OPTIONS	It is a comma-separated list of application configuration options. A value of LAN indicates a local area network. A value of MIGRATE enables server migration. In the sample RESOURCES section, MODEL is set to MP; OPTIONS is set to LAN and MIGRATE.

Example Settings

 *RESOURCES
      MODEL   MP
      OPTIONS LAN, MIGRATE