According to one aspect, a method includes obtaining, at 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 may uniquely identify one context in the plurality of contexts and be associated with data corresponding to a respective context. The data may be sent via the plurality of contexts via a radio link shared by the plurality of contexts. According to another aspect, a method includes associating each of the plurality of contexts with a separate set of credentials. Each set of credentials uniquely identifies one context and may be associated with data corresponding to a respective context. The data corresponding to a respective context may be encrypted based on the set of credentials associated with the context and sent via a radio link shared by the plurality of contexts.
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