InfoCenter Home > 7.1.3.4: Horizontal scaling with clones sample topologyOverviewThe following figure shows an example of horizontal scaling using clones of an application server. In horizontal scaling, clones of an application server are created on multiple physical machines. This enables a single WebSphere application to span several machines yet still present a single system image. In this example of a horizontal scaling topology, the Web server on Machine A distributes requests to the cloned application servers on Machines B and C. The application server clones on Machines B and C are created from the same server group. Machine D acts as the database server for the application. Products such as Network Dispatcher that distribute client HTTP requests can be combined with cloning to reap the benefits of both types of horizontal scaling. See section 7.1.3.5, Horizontal scaling with Network Dispatcher sample topology, for more information on this system configuration. Typical useHorizontal scaling can provide both increased throughput and failover support when compared to vertical scaling topologies. Both application server process failure and hardware failure can be handled without significant interruption to client service. Horizontal scaling topologies can also be used to optimize the distribution of client requests through mechanisms such as workload management or remote HTTP transport. |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|