According to one aspect, a method includes obtaining, in a device, a plurality of contexts with a plurality of serving nodes. Each of the plurality of contexts may be associated with a context-unique identifier. Each context-unique identifier uniquely identifies a context in a plurality of contexts, and may be associated with data corresponding to a respective context. The data may be transmitted over a plurality of contexts via a wireless link shared by a plurality of contexts. According to another aspect, a method includes associating each of a plurality of contexts with a distinct set of certificates. Each set of certificates uniquely identifies a context and may be associated with data corresponding to the individual context. The data corresponding to the individual context may be encrypted based on the set of certificates associated with the context and transmitted over the wireless link shared by the plurality of contexts.
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