Meaning – The term multiple-domain network, refers to a network with more than one system services control point. It also refers to an APPN network with more than one network node.
Multiple domain networks are especially suited to companies that span multiple locations, departments, or business functions. A multiple domain network consists of a master domain manager, any number of lower-tier domain managers, and any number of agents in each domain.
Agents communicate only with their domain managers, and domain managers communicate with their parent domain managers. The hierarchy of domains can go down to any number of levels.
Example of usage – “Multi-domain SDN requires the interconnection of controllers in different domains to exchange information across domain. Multi-domain SDN will enable the interconnection of global SDN domains, introduce interoperability between domains, and provide better provisioning of cross-domain services.”