Mobile devices are growingly dominating the Internet, and traditional host-centric notions to communication need to be redesigned for the next-generation architecture. To support this major shift, we propose in this paper a set of basic service abstractions that should be afforded by a future Internet that is centered upon the notion of self-certifying globally unique IDs (GUID) for all network principals -hosts, content, services, etc. alike. We followup with a specific set of network service

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... PIs that provide full access to the proposed abstractions, and implement these on Linux and Android hosts that connect to an instantiation of the novel future network -MobilityFirst. Through a small number of representative use cases we show that the API is flexible and can enable efficient, robust, and trustworthy versions of present and future applications.