VMware NSX Hybrid Connect, alternatively known as VMware Hybrid Cloud Extension (HCX) for Cloud Service Providers, delivers secure and seamless app mobility and infrastructure hybridity across vSphere 5.0 and later versions, both on-premises and in the cloud.  

NSX Hybrid Connect abstracts on-premises private and public cloud resources and presents them to the applications as an end-to-end entity.   Hybrid Interconnect can then provide high-performance, secure, and optimized multi-site connectivity to achieve infrastructure hybridity and present multiple options for bi-directional virtual machine mobility with technologies that facilitate the modernization of legacy data centers.

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This document references VMware NSX Hybrid Connect and VMware Hybrid Cloud Extension as HCX.