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Most of us know that hyperscale operators have been quietly deploying bare metal switching hardware and pairing them with SDN operating systems for the past few years. Facebook's announcement follows Google's Andromeda networking platform and earlier leaks about its Pluto switch.
Already these launches -- and the release of other white box switches -- are having an impact on switching market share. In fact, Alan Weckel at Dell'Oro Group reports that shipments of bare metal switching represented slightly over 10% of the Fixed Top-of-Rack 10GE switching ports at the end of 2013, more than Arista, Juniper and Extreme combined.
The key question facing the networking community is: will these hyperscale networking technologies spread to the rest of the market or are they a unique phenomenon?
To be sure, the Facebook announcement has ratcheted up the interest of the community into hyper-drive (pun intended) and so I took this opportunity to talk about the news with a number of network architects to see what they thought of the potential impact.
For context, I believe most of us in the networking community agree that the design challenges of hyperscale data centers are different from traditional data centers. An analogy I like is that designing a hyperscale data center network is like training an elephant -- you focus all of your energies on the needs of one piece of software. But designing a traditional data center network is more like managing a zoo -- architects balance a diverse set of applications with diverse heritage and diverse needs, but all are sharing the same infrastructure.
Beyond noting the clear difference in hyperscale vs. traditional data centers agreement, it has become clear that there are three camps when it comes to network engineer reaction to the Facebook Wedge and FBOSS announcement.
First camp: Ready for the Facebook switch and SDN OS today
There are those who want FBOSS and Wedge as-is for their data centers. These companies have software development teams that build in-house control/management systems, and "initial turn-up and decommissioning, upgrades and downgrades, draining and undraining (as Facebook refers to it)" are problems they like to solve on their own. So, for an established networking software dev team, FBOSS is a new software component that they want to use immediately.
Second camp: Wedge and FBOSS are great, but packaged management is a must
Then there are those who want to try something like the Wedge/FBOSS approach, but want the control/management systems packaged and ready for consumption by a traditional networking team. Rather than design an entire data center network all at once, this camp has tended to look to specific projects -- OpenStack, VDI, Big Data -- to justify a new network design. These organizations tend to have strong network engineering heritage and an early adopter bent.
Third camp: Wedge and FBOSS only for the hyperscale, not general enterprise
The last camp thinks that news like this represents a hyperscale phenomenon and not the start of a larger trend. Not until they see more adoption by the community at large do they really start paying attention. This camp leans traditional, meaning that incumbent vendors will have a business here for a long time.
What do I think? The Facebook crew behind this is a very smart team and a very busy one. Its members wouldn't go through the trouble of turning a well-run engineering project over to a chaotic open source democracy unless they were looking to steer a broader networking community down a path that is very different from the one set forth by incumbent networking vendors. I tend to believe that when the high-end networking users show this sort of leadership, the broader community will follow over time.
Good on 'em -- can't wait to see what happens next.
About the author:
Kyle Forster is Co-Founder of Big Switch Networks.
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