To achieve the integration of space information networks and high-speed rail
ship and civil aviation private communication networks
this article proposes to leverage the mechanism of identifi er and locator separation to construct the communication and security integrated space-earth heterogeneous network architecture.The proposed network architecture included four network layers (i.e.
space-earth heterogeneous network service layer
space-earth heterogeneous network traffi c layer
space-earth heterogeneous network routing layer and space-earth heterogeneous network access layer) and fi ve network identifi ers (i.e.
service identifi er
traffi c identifi er
routing identifi er
access identifi er and host identifi er).With the method of effi cient network identifi er mapping
the communication and security integrated requirement for space information networks and ground private communication networks could be guaranteed.
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