| 摘要 |
Systems and methods for splitting communication nodes to provide inter-domain functionality are described. For example, a home subscriber services (HSS) node can be split into a proxy node in a first domain and a non-proxy node in a second domain. The proxy node may or may not include a subset of the data available on the corresponding non-proxy node. An inter-domain interface, e.g., a GUP interface, can be employed between the proxy node and the non-proxy node and the inter-domain protocol server can be used to facilitate other interfaces, e.g., between a home location register (HLR) and other entities.
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