Three components that make up the Cloud infrastructure

Data center, network (LAN/MAN/WAN), and the end user

Multiple Cloud-based products and services are being offered across multiple data centers globally

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Data centers are multi-tenant in nature, can be single Cloud Service Provider or independent 3rd party operated

The application (VM) can be mobile

The networks can be layer 2 and layer 3 IP/MPLS (VPN and non-VPN) networks, and layer 1 private line/OTN/MPLS-TP based networks

The selection of the network of choice is possible

The users can be wireline and wireless with various access technologies

Users are mobile, and exchange of wireless/wireline is possible

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