How to Change Factory-based Routing (FBR) for an Interface


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Note: For detailed information about factory-based routing for a distributed BEA Tuxedo CORBA application, refer to the Scaling, Distributing, and Tuning CORBA Applications guide.

To change the factory-based routing for a CORBA interface, complete the following steps:

Start a tmconfig session.
Select the ROUTING section of the configuration file (choice #7 on the menu of configuration file sections).
Using the FIRST and NEXT operations, select the entry for which you want to change the FBR.
Select the UPDATE operation.
Enter y (for yes) when prompted to say whether you want to start editing.
```
Do you want to edit(n)? y
```

Change the relevant fields to values such as those shown in the middle column in the following table: :

Field	Sample Value	Meaning
TA_ROUTINGNAME	STU_ID	Name of the routing section.
TA_FIELD	student_id	The value of this field is subject to the criterion (specified in the TA_RANGES field); that is, the value of this field determines the routing result.
TA_RANGES	100001-100050:ORA_GRP1,100051-*:ORA_GRP2	The routing criterion being used.

The value of the TA_RANGES field is the routing criterion. For example, assume that our modest student enrollment before the update allowed for a routing criterion of student IDs between 100001-100005 to ORA_GRP1, and 100006-100010 to ORA_GRP2. In the change shown in the preceding table, if the value of student_id is between 100001-100050 (inclusive), requests are sent to the servers in ORA_GRP1. Other requests are sent to ORA_GRP2.

Note: Dynamic changes that you make to a routing parameter with tmconfig take effect on subsequent invocations and do not affect outstanding invocations.

You can also dynamically change the TA_FACTORYROUTING assignment in the INTERFACES section. For example:

Start a tmconfig session.
Select the INTERFACES section of the configuration file (choice #12 on the menu of configuration file sections).
Using the FIRST and NEXT operations, select the interface entry for which you want to change the FBR. For example, if you defined a new factory-based routing criterion named CAMPUS in the ROUTING section, you could reassign a Registrar interface to this criterion.
Select the UPDATE operation.
Enter y (for yes) when prompted to say whether you want to start editing.
```
Do you want to edit(n)? y
```