State SyncUp Features

This topic describes the features of State Syncup.

State SyncUp facilitates scalability and high availability for Cordys.

Some features of State SyncUp are as follows:

• State SyncUp defines a logical ring of application instances.
• Reliable communication among the SyncUp instances within the ring can be carried out in either of the following ways:

  Mechanism	Features
  Broadcast Mechanism (Stateless Transfer or Publish-Subscribe mechanism)	* The developer can register an object (application) for a specific topic. * The registered object receives messages that are published on the topic. * Such an object can publish messages for the topic.
  State Registry	* All the members in the group have access to the common data, in the XML format. * A member can perform certain operations on the data such as read, insert, delete or update. * Listeners can be registered for a particular content so that, changes to the XML are notified to the listener.