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docdivakar
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re: Broadcom aims to spread 100-Gbit Ethernet with single-chip solution
docdivakar   4/30/2012 11:07:32 PM
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I wonder how many I/O's are on this chip's package? It would seem that the burden shifts to the mother board designer and the board costs for high speed signaling are going to make the end product quite pricey! MP Divakar

R_Colin_Johnson
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re: Broadcom aims to spread 100-Gbit Ethernet with single-chip solution
R_Colin_Johnson   4/27/2012 6:44:32 PM
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If you look at the graph carefully, you'll see it only projects 70,000 ports running at 100Gbit by 2015--so growth is 170 percent, but starting from almost zero today. Secondly, Broadcom is hedging its bets by allowing its chip to configured as 12-10 Gbit channels, which reduces the price to $62.50 per channel which will only go down as volume ramps up.

KRagh
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re: Broadcom aims to spread 100-Gbit Ethernet with single-chip solution
KRagh   4/27/2012 6:08:27 PM
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Projections like this (on dramatic increase in demand for Bandwidth) were common in 1999-2000 when Fiber optic technology peaked and collapsed. We remember the great battle between Nortel and Lucent on who gets to market the first OC768 system. Let alone OC768, even OC192 did not take off. To claim that every person on the planet needs two devices sending video is preposterous. Send what video to whom? The old battle got settled when both Nortel and Lucent collapsed due to non-existing customers. The busiest of traffic (say from NY to CA) from biggest service providers did not even need OC192 data rates. This looks like one more attempt for such a puffed up dream. If the chip costs $750 the product is likely to be a lot more expensive (think of interconnects and interfaces to various other inputs). Ultimately someone should have a need for the market to take off.

Luis Sanchez
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re: Broadcom aims to spread 100-Gbit Ethernet with single-chip solution
Luis Sanchez   4/26/2012 11:07:15 PM
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750 usd per chip ? ! that's expensive. Sounds like it's a very novel chip. Is it commercial or experimental? Well, the price will drop, no doubt but it's been sometime since I didn't hear about a chip so pricy.

chanj0
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re: Broadcom aims to spread 100-Gbit Ethernet with single-chip solution
chanj0   4/26/2012 1:20:31 AM
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The bill of material of a line card will provide a good insight to how well the 100Gb network processor penetrating the market.

R_Colin_Johnson
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re: Broadcom aims to spread 100-Gbit Ethernet with single-chip solution
R_Colin_Johnson   4/25/2012 4:35:37 PM
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Broadcom aims to spread 100 gigabit per second Ethernet throughout every ISP by offering a single-chip solution to line card manufacturers, rather than requiring the half-dozen chips and field-programmable gate arrays (FPGAs) needed to implement 100-bit Ethernet today. On thing Broadcom told be after filed this story, is the price of samples of their chip that are available today ($750.)



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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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