The benefits of SDN, and the advantages of cloud computing have been well documented. However, when moving to this new distributed environment, there better be a way to have clear…
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This blog post will provide a step-by-step guide to configuring a dynamic in-network service chain. As emphasized in prior blog postings on OpenContrail.org, using well known and defined standards allows…
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Technologies used to virtualize cloud networks are evolving quickly. Many times it is non-trivial to sort out the different technologies and understand merits and demerits of specific approaches. This write-up…
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Why BGP/MPLS VPN (aka 2547 VPNs) control plane? To answer this question, let me start by quoting from the blog posted by Pedro Marques: "When we started working on network…
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I worked on the design and implementation of AT&T IP VPN services for several years. AT&T was the first Service Provider which introduced MPLS/BGP VPN technology in its WAN network…
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1 Introduction This is a small introduction to service VM’s. On what the minimum requirements are to build them, and how to test them in a Fabric. Some people use…
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The OpenContrail solution uses overlays for network virtualization. Packets between tenant virtual machines are encapsulated in a tunnel on the IP fabric connecting the compute servers in the network. A…
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This article is intended as simple tutorial on how to add a configuration option to the OpenContrail control-node that controls the behavior of the BGP implementation. The configuration node (the…
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I had the privilege to be part of the team that built Juniper’s EX switches; it was a fun experience as building something from scratch typically is. One episode I…
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Why Open Source? Open source has made significant strides in the enterprise and service provider market Enterprises see open source as leading innovation and quality rather than just being a…
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