Feature Description
This chapter provides an overview of the roaming features that are supported on SMF. Mobile network operators form roaming partnerships to provide seamlessl services to subscribers in geographies beyond network reach. PLMN designates the operator network boundaries. hPLMN denotes the home network of subscribers. vPLMN denotes the visited network from where the services are rendered.
Roaming support for SMF can be classified as follows:
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LBO (local breakout) roaming – vPLMN locally provides packet core services and access to data network.
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HR (home routed) roaming – vPLMN provides packet core services and hPLMN provides access to data network.