The Network Iceberg

SocketPlane.io

The impact of compute virtualization on the data center network has been profound. There are more virtual ports then physical ports. That simple measurement overshadows any other disruption in networking. We arrived at this transformation as a result of significant adoption of OS virtualization. The next revision of compute virtualization is the application. The last significant bastion of efficiency is to …

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Brent’s Technology Bookmarks from June

Cat Are You Fucking Kidding Me

Lots going on in the past couple of months. While current projects have me pretty busy I wanted to share some good reads and interesting developments in the industry. In no particular order: Thats all for now. Have a great weekend.

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Updated DevStack OpenDaylight VM Image for OpenStack IceHouse

Openstack Devstack Crop

Here is an updated Fedora 20 image for building OpenStack Icehouse and OpenDaylight. ODL is now merged into the upcoming OpenStack Icehouse release so now you can install ODL directly from OpenStack trunk. The updated image comes from Kyle Mestery who was primarily responsible for getting the OpenStack/OpenDaylight merge and navigating the process. Thanks also to Andrew Grimberg from the …

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Setting Up Overlays on Open vSwitch

Network Overlay

Most “SDN” solutions involve overlays or at the least HW overlay gateways/ToR of some type. Some sell overlays terminating in hardware, others sell overlays terminating in the server. The encaps include standards like GRE, VXLAN and soon to be Geneve (Generic Network Virtualization Encapsulation: basically the good parts of the other encaps evolved). While none of these overlay networks should …

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OpenDaylight OpenStack Integration with DevStack on Fedora

OpenDaylight Logo Sm

The following is a walk through of the OVSDB project within OpenDaylight for OpenStack integration. There are a couple of bugs so it is not for the faint of heart. It is intended for those looking to get their development environment up and running. We will have videos and what not walking through the installation and code reviews of the …

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Install Open vSwitch Networking on Red Hat Fedora 20

Open Vswitch Lab

The following tutorial will bootstrap you in installing and configuring Open vSwitch on Red Hat Fedora 20. It also has some extras that are just general Fedora configuration tasks such as setting up networking along with Wireshark over an X11 ssh session. This is the first of lots of integration posts over the next year as we develop network virtualization …

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New Opportunity at Red Hat

Redhat Ovs Sdn

Exciting times are upon us. I have humbly accepted a job at Red Hat on the Open Daylight dev team working with some incredible people at Red Hat and just as special folks in the community. I just wanted to pop up a brief post letting my friends in the community know where I am heading. I will miss my …

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Install Open vSwitch v2.0 from RPM on RedHat Fedora

Open Vswitch Lab

This post is for installing OVS from RedHat RPM binaries. If you want to build Open vSwitch from source please see this post. Open vSwitch v2.0 introduces some really important features, at the top of the list is multi-threaded support in vswitchd. This will increase flow instantiation rates significantly into the upstream kernel module. A rough guess would be from …

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