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LarryM99
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Stuck in neutral for too long
LarryM99   5/6/2014 7:39:57 PM
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I wired my house for GigE years ago and have used that as the standard across my network. At the time we were lucky to get high single-digit Mb/sec out of our cable provider, but I figured that it was worth it to be able to quickly move files around on my network and that they would eventually catch up. Fast-forward to today, and Cox (my ISP) just announced that they are kind of thinking about maybe upgrading to gigabit service eventually.

Backbone updates like described here show that the technology is there. The question that I am betting they are asking is if their accounting systems can count the data fast enough to police the data limits that they are imposing. Until they get some real competition they will not be interested in this technology.

rick merritt
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Working on 40 or 50G serial?
rick merritt   5/5/2014 6:49:05 PM
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If so I'd like to hear about your goals and progress



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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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