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rick merritt
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re: Software defined networks snare open source spotlight
rick merritt   4/9/2013 5:19:35 AM
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Basically, right. ONF oversees the OpenFlow protocol standard that lets controllers talk to routers and switches. Open Daylight will develop open source code for controllers and a layer or two below that--essentially the sort of thing a lot of other companies have been trying to do as revenue products.

tb1
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re: Software defined networks snare open source spotlight
tb1   4/9/2013 3:02:42 AM
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I'm not sure, but I think Opennetworking is promoting standards, and Open Daylight is promoting actual code (implementation of the standards)

joyhaa
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re: Software defined networks snare open source spotlight
joyhaa   4/9/2013 12:10:18 AM
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don't we have SDN alreadyhttps://www.opennetworking.org/, that connects openflow, openvswitch,etc, what's new about this?



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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