A Direct Connect (DX) is a physical connection between your network and AWS either directly via a cross-connect and customer router at a DX location or via a DX partner.
Direct Connect
VPN
VPC Virtual Private Networks (VPNs) provide a software-based secure connection between a VPC and on-premises networks.
Virtual Private Cloud
What Is a Virtual Private Cloud?
- A VPC resembles private data centers or corporate networks
- Scalable infrastructure
- Ability to extend corporate/home network to the cloud as if it were part of your network
Network Fundamentals
The Open Systems Interconnection (OSI) Model is a standard used by networking manufacturers globally. It was created and published in 1984; it splits all network communications into seven layers. Each layer serves the layer that’s above it plus the layer beneath it which adds additional capabilities.