Create multiple WS-Notification services and instantiate
WS-Notification service points on different servers in the cell depending
upon the quality of service that is required.
Before you begin
This task assumes that you, or your
solution architect, have already
designed
a QoS-partitioned server topology for WS-Notification and that
you therefore have a well-defined set of criteria for the different
types of QoS that must be fulfilled by the server topology, and a
configuration design such that service integration bus topic spaces
used by the different brokers do not overlap in cases where applications
with one QoS should be isolated from others.
About this task
WS-Notification enables partitioned topologies in which
some servers provide a different quality of service that can be utilized
by customers of varying status. For example you might configure a
cluster of servers for use by a particular customer in order to provide
enhanced HA facility or improved response times.
To configure
a QoS-partitioned server topology for WS-Notification, complete the
following steps :
Procedure
- Create a server cell containing multiple servers that have
the capability to support the QoS requirements.
- Configure one or more service integration buses in the
cell.
- Learn about the options that exist for partitioning access
to messaging resources and defining non-overlapping WS-Notification
services.
- You can define multiple WS-Notification services on a single service
integration bus. By ensuring that topic namespaces defined by the
two (or more) Services do not make use of the same service integration
bus topic spaces you can ensure that there is no possibility for communication
between the clients of respective WS-Notification services.
- You can also define multiple service integration buses and configure
a single WS-Notification service on each. The choice of which of these
two options to utilize depends upon the existing messaging infrastructure,
and the enterprise's policy towards creation of multiple service
integration buses.
- Allocate service integration bus Bus Members and WS-Notification
service points to appropriate servers in the cell in order to provide
the required speed of response to requests. For example a faster response
time will require the elements to be deployed on faster (or less heavily
loaded) hardware.
- Configure appropriate advanced settings on the Inbound
Ports associated with the WS-Notification service point to handle
other QoS requirements such as security and reliability.
- Save the configuration for changes to take effect.