Data security & protection

Layers News

Layers Get Started

Bring yourself up to speed with our introductory content

  • Network layer

    In the Open Systems Interconnection (OSI) communications model, the Network layer knows the address of the neighboring nodes in the network, packages output with the correct network address information, selects routes and quality of service, and recognizes and forwards to the Transport layer incoming messages for local host domains. Continue Reading

Problem Solve Layers Issues

We’ve gathered up expert advice and tips from professionals like you so that the answers you need are always available.

  • Making the case for Layer 2 and Layer 3 VPNs

    Offering VPN services isn't a simple Layer 2 or Layer 3 choice. If you want to implement true convergence onto a single core infrastructure, your core network should support the transport of public IP and private IP (VPN), as well as a number of legacy Layer 2 WAN and LAN technologies (for example, with Any Transport over MPLS – AtoM). Continue Reading