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DMVPN Overview

What is it? Dynamic Multipoint Virtual Private Network (DMVPN) is a proprietary VPN technology used to provide a scalable, resilient and secure hub and spoke solution. What problem does it solve? DMVPN is based on a hub and spoke WAN design with the capability to form spoke to spoke connection …

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What is it? Micro-Segmentation is a way to apply a granular security policy that protects and restricts access to devices in your network. Isn’t that a Firewall? You can think of it as a distributed host firewall that doesn’t sit on your host. Huh? OK, so traditionally you have a …

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What is it? NVGRE is a software controlled network virtualization framework that supports multi-tenancy in networks using Generic Routing Encapsulation (GRE) What problem does it solve? NVGRE is Microsoft’s solution to allow seamless migration of workloads between public and private clouds. It offers the same benefits associated with other Virtualization Overlays, …

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What is it? Virtual Extensible LAN (VXLAN) is an overlay technology that allows layer 2 traffic to extend over a shared layer 3 infrastructure by means of encapsulation. What problems does it solve? VXLAN like many overlay solutions was set out to solve several issues. To increase the number of VLANs …

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Network Virtualization Overlay (NVO)

What is it? Network Virtualization Overlay (NVO) is where an independent virtual network infrastructure is created on top of an physical network infrastructure. This concept of an overlay network is not new, but it has become more popular within Data Centers over the past couple of years. Most businesses will have encountered …

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What is it? Bring Your Own Device (BYOD) is simply allowing your users to bring in their personal equipment and connect it to your network. Unlike guest networks BYOD networks tend to allow the user access to certain internal systems from mail to full file access. Where the line is drawn is the …

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