My first publication “OpenStack Networking Cookbook” is now available for purchase. It is available as a printed book as well as e-book. OpenStack is a rapidly evolving cloud platform and Networking (Neutron) is one of its critical components. The current trends of SDN and NFV make OpenStack Networking even more … Continue reading
OpenStack supports rich abstractions to handle virtual networking needs in a cloud. As a user the most visible entities are the Network, Subnets, Routers, Firewall etc. But if we consider ingress and egress points for data traffic, the most critical entity is the Port. OpenStack Neutron Ports are usually created … Continue reading
I briefly talked about OpenStack Neutron plugins and agents in my blog about OpenStack Neutron components. In this blog, let us go a step further and understand the roles of plugins and the agents. OpenStack Neutron Plugins – why do we need them? Networking in OpenStack (for VM instances) is … Continue reading
This is a guest post by Suryanarayana M N V. Having led teams working on Networking protocols, Surya has in-depth knowledge of networking. He has keen interest in the areas of Network Virtualization and NFV. One of the buzzwords in the networking industry is NFV. In a series of blogs, … Continue reading
My YouTube video titled “Hub vs Bridge vs Switch” crossed 2000 hits this week. This milestone was reached in a span of six months. I had released another video around the same time but that video has clocked 240 views in roughly the same time period. This event prompted me … Continue reading
Here is an overview of three basic networking devices – Hub, Bridge and a Switch. This blog and the related YouTube video will be useful for upcoming topics related to virtual networking such as Linux Bridge and Open vSwitch.
In my first YouTube video, I discuss 3 networking concepts: Default Gateway DNS Server Subnet Mask
In the previous post we looked at the fundamental building blocks of physical and virtual networks. Now let us look at two key concepts in physical and virtual networks. They are Ports and VLAN.
In order understand Virtual Networking let us start with the simplest network that many of us operate every day – our home network. The picture below captures what a typical home network looks like. I am sure most of us use wireless rather than wired networks at home but the … Continue reading
Upcoming technologies like OpenFlow and SDN are altering the networking landscape very quickly. The underlying drivers are Cloud Computing and Virtualization. Servers, Storage and Networking make up the trinity for effective Cloud computing strategy. Servers and Storage Virtualization has helped drive the adoption of flexible cloud services already. Now it is … Continue reading