Published on March 12, 2014
v Data Center Networking: A Brave New World Dinesh Dutt, Chief Scientist March 11, 2014
What Ails Networking Mismatch between what networking provides and what modern data center needs March 11, 2014 2OFC 2014
Who Moved My Needs ? Traditional Enterprise Apps L2-centric Sensitive to network failures Coarse-grained failure domain Mostly static • VLANs • No Server Virtualization Mostly North-South Lower Capacity Mostly 1G, with 10G uplinks 100s-few thousand endpoints Modern Data Center Apps IP-centric Workaround network failures Fine-grained failure domain Dynamic • Clouds • Server Virtualization Mostly East-West High Capacity Mostly 10G, with 40G uplinks Thousands to millions of endpoints March 11, 2014 3OFC 2014
What The Pioneers Did March 11, 2014 OFC 2014 4 Complex applications on generic infrastructure Automation allows dynamic deployment at scale Capacity = capex Business model = opex Web Scale Operations Drive toward web scale efficiencies Operational benefit without the development cost Searching for the right suppliers Fortune 500
The Generic Infrastructure L3-based Scalable Mature, interoperable technology Simple feature set L2-based Not scalable Immature or lots of proprietary technology March 11, 2014 5OFC 2014 Old World New World
Scalability Failure Domain One size fits all Predictable Latency Oversubscription More Observations on the Generic Infrastructure March 11, 2014 OFC 2014 6
We Need To Talk About Automation The problem with networking isn’t networking, but managing it Current network administration tool chain is primitive No programmatic access L3 configuration is perceived as hard to configure March 11, 2014 OFC 2014 7
Implications of These Trends March 11, 2014 OFC 2014 8 Mature Technology L3 based Simple Feature Set Automation Rapid Deployment Improve Network Admin Tool Chain Programmatic Access Off-the-shelf components, bare- metal hardware Support complex applications Loose coupling with Infrastructure New World The rise of merchant silicon Original products from traditional ODMs Network OS that allows this Strong offerings from ecosystem, loose coupling with infrastructure
You Say You Want A Revolution OFC 2014 9 hardware operating system app app Single Vendor Blob app Multi Vendor Ecosystem hardware operating system appappapp hardware operating system monitorroute hardware Minimal OS Openflow Agent March 11, 2014
We All Want To Change the World March 11, 2014 OFC 2014 10 Gatekeeper Boxes Enabler Platforms
You Say You Got a Real Solution March 11, 2014 OFC 2014 11 Mature Technology L3 based Simple Feature Set Automation Rapid Deployment Support complex applications New World The rise of merchant silicon Original products from traditional ODMs Network OS that allows this Strong offerings from ecosystem, loose coupling with infrastructure
You Tell Me That It's Evolution Don’t Throw The Baby Out Routing isn’t broken, it’s what runs the Internet Mature technology, lots of deployment experience, lots of tools On configuration side, server admin tool chain is mature, sophisticated, in use Change The Bathwater Simplify configuration and deployment • Make it Cookie Cutter • Cabling fault detection • Leverage server admin toolkit and unify network administration with servers March 11, 2014 OFC 2014 12
You Ask Me For a Contribution OFC 2014 13March 11, 2014
We'd All Love To See the Plan OFC 2014 14March 11, 2014
You Wanna Talk About Implementation March 11, 2014 OFC 2014 15 Jan 16th Jan 24th Feb 6thJan 25th Jan 28th Feb 3rd Jan 29th Midokura meeting with Nolan Trident II switch on workbench made available to Midokura Core Code Working , Discussed option to open ports , get a VM setup and connected to switch port First Demo Recording Done Demo shown to Cumulus staff by Midokura Team Got activation and service access to all documentation and support portal Midokura Demo with Cumulus Integration showcased at Open Daylight Midokura Timeline – Path to Integration Initial Integration Lifecycle executed in 22 days
Look at the x86 server market operating systems • closed – Windows, Solaris • open – Linux, BSD, etc – RedHat, Debian applications • closed – SAP • open – Hadoop Applications loosely coupled with infrastructure Application of the end-to-end principle What I Think of When I hear Software Defined Networking We All Wanna Change Your Head March 11, 2014 16OFC 2014
If You Go Around Carrying Pictures of Chairman Mao Data Center Networks are leading the charge to open networks up Data centers today, Internet tomorrow ? Common ground on many basics Network topology for the data center Break up the vertically integrated market Network as a platform, not a black box Choose solutions that provide choice and are open Back to “rough consensus, working code” March 11, 2014 OFC 2014 17
© 2014 Cumulus Networks. Cumulus Networks, the Cumulus Networks Logo, and Cumulus Linux are trademarks or registered trademarks of Cumulus Networks, Inc. or its affiliates in the U.S. and other countries. Other names may be trademarks of their respective owners. The registered trademark Linux® is used pursuant to a sublicense from LMI, the exclusive licensee of Linus Torvalds, owner of the mark on a world-wide basis. Thank You! March 11, 2014 18OFC 2014 All pictures courtesy of Wikipedia
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