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Tag Archives: Overview

What is SDN?

Software Defined Networking (SDN) means different things to different people. Some of the key words often associated with SDN are Automation, OpenFlow, Network virtualization and Overlay networking. Lets look at each of these in turn and see how they fit with SDN. Automation Managing large networks has always been painful, …

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Cloud Computing Overview

What is it? Marketing at its best. The term ‘Cloud’ has been used for years to represent any black box service that you as an individual did not want, or need to know. For example in network diagrams your service provider or the Internet has always been denoted as a …

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Cisco ACI Overview

Cisco Application Centric Infrastructure (ACI) Cisco ACI is the Cisco’s turnkey SDN solution. Currently based on the Nexus 9000 series of switches, the ACI abstracts the underlying Data Center network to a level where it can almost be seen as a service provider network for attached client systems. The solution …

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VMware NSX Overview

What is it? Part of VMware’s Software Defined Data Center (SDDC), NSX is VMware’s network and security solution. NSX a virtual alternative to the physical network appliances located in the Data Center placing routers, firewalls and load balancers into the hypervisor. This removes the reliance on the physical network and if you read some of the literature the network team. …

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