Markus Flierl's Weblog

Solaris on Pluribus Networks' Server Switches

While there has been a lot of talk about Software Defined Networking (SDN) the reality is that enterprise customers are still struggling to figure out how to make use of the existing solutions. Scalability in particular is a huge problem, both in terms of throughput performance as well as scalability across a large number of physical nodes.

As I had mentioned in my Oracle Open World blog a couple of months ago, Solaris will be introducing a number of interesting Software Defined Networking (SDN) capabilities in this space later this year. Back in 2011 Solaris 11 introduced a number of cutting edge network virtualization capabilities in Solaris itself: The re-architecture of our L2 networking provides 1. Isolation of networking traffic using vNICS, 2. Resource Control for the networking traffic using flows 3. Virtual Networking services like load balancing, routing and fire walling as well as fine-grain stats (dlstat and flowstat) for everything that's going on in this virtual environment. All of this at near zero performance overhead and fully integrated with the Solaris zones and OVM virtualization (aka ldoms). With S11.2 we will be introducing a distributed virtual switch which means we are breaking down the limitation of a single Solaris instance and we will allow customers to create these virtual network across physical nodes.

In this context we have been working with Pluribus Networks for a while and they have just certified Solaris 11 on their Freedom series Server-Switch platform. Instead of treating network devices as a black box they now become accessible to a Solaris administrator. Virtual Network Services can now be dynamically re-provisioned onto the network switch. Pluribus Networks' Netvisor which runs on Solaris 11 allows customers to get a detailed view of all of the flows in the network. With the release of Solaris 11.2 we'll have OpenStack available as a first-class citizen of Solaris to manage the compute, the network and the storage resources of a Solaris-based cloud.

More details under:

http://www.oracle.com/us/corporate/press/2132552 or


Very cool!


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