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Technology Stocks : The *NEW* Frank Coluccio Technology Forum -- Ignore unavailable to you. Want to Upgrade?

To: aladin who wrote (18329)	12/12/2006 11:17:40 AM
From: Frank A. Coluccio	Respond to of 46821

John, Over time I've come to learn of and sense, as I know others have, as well, the schisms between NLR and I2 as you've described, but never so cogently as you've succinctly outlined them for us in your reply. And what you've stated falls together nicely with news releases that have depicted NLR in a number of cutting edge networking situations, to boot. Thanks. FAC

To: aladin who wrote (18329)	1/6/2007 2:51:51 PM
From: Frank A. Coluccio	Read Replies (1) \| Respond to of 46821

Optical Transmission at >/= 100Gbps Rates John, this goes back to the recent announcements concerning Internet2's "upgrade" to 100 Gbps, as outlined above at: tinyurl.com . Earlier today I came across, quite by accident, the following account of Oki Data's 160 Gbps experiment while snooping for information about a polarization mode dispersion and chromatic dispersion (PMD/CD) mitigation startup, and it caused me to wonder what all the celebration over I2's move to a 100 Gbps rate was all about. Consider, in the case of I2, there were ten (10) 10Gbps channels "in the middle" put through an inverse multiplexer at each end in order to achieve a single rate of 100 Gbps "at the ends." And, in the Oki case an even higher optical data signaling rate of 160 Gbps was used "in the middle" without resorting to inverse multiplexing of multiple wavelengths at the ends. Your thoughts? Anyone? Tom Swift, have you anything to say about this that you'd like to share? I may simply be missing a very basic point, somewhere along the line. Here's the Oki announcement, accompanied by a photo, below, of the optical TDM device that was used almost a year ago, taken from a March 2006 article in Lightwave Magazine: snip: Oki Electric attains 160-Gbit/sec data transmission March 16, 2006 Tokyo, Japan -- Oki Electric Industry announced that it has achieved experimental 160-Gbit/sec data transmission over a distance of 635 km, in a field trial conducted as part of a project consigned by Japan's National Institute of Information and Communications Technology (NICT). lw.pennnet.com; ---/snip And a photo of the 160 Gbps Optical TDM module itself: FAC ---