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Alcatel-Lucent Message Board

  • henkepek henkepek May 28, 2013 11:27 AM Flag

    400 Gbps on a global scale soon ?

    source = BBC news / Nature Photonics :
    "Alcatel-Lucent's Bell Labs has found a way to go that extreme distance by relying on the basic concept behind noise-cancelling headphones. When the researchers send data across two light beams in opposing phases, they can superimpose the signals and neutralize the distortion that would normally occur at long ranges. Such clean output lets Bell Labs ramp up the signal strength and maintain high speeds across whole oceans: its test pushed 400Gbps through 7,954 miles of fiber. There's no word on how soon we'll see twin-light technique put into practice, although we suspect that a networking giant like Alcatel-Lucent wants the extra bandwidth as quickly as possible."

    SortNewest  |  Oldest  |  Most Replied Expand all replies
    • ANOTHER LIER!!!!!
      The source is not BBC---ITS NATURE PHOTONICS which is another site own by the HEDGE FUNDS!
      ITS a blog site where Hedgies are posting their made up stories!

      GET OUT WHILE YOU HAVE TIME!!! SINKING SOON!!!!

    • from a february businessweek article:

      "The speed breakthrough in France suggests network engineers are on the brink of a solution to the coming massive bottleneck. Of course, the breakthrough gives French broadband customers living along the Paris-Lyon corridor some bragging rights, too. They now have access to the fattest pipe on the planet capable of supplying to their homes and businesses broadband speeds that will blow past even Google Fiber, the staggering 1GB (or 1,000 MB) pilot service in Kansas City, Kan., considered the world’s speediest commercial service today."
      -
      on a tangent, does anyone know if google is partnering with companies more experienced in network building, or are they going it alone?

    • Friday, May 31, 6:53 PM ET
      Cisco (CSCO) is prepping a successor to its costly/high-margin CRS-3 core router that will be called the CTR and offer up to 1Tb/s of capacity per slot, according to a document ontained by Light Reading. That figure represents a solid increase from the CRS-3's 400Gb/s per slot, and is also above the 800Gb/s delivered by Alcatel-Lucent's (ALU) 7950 core router, launched last year to much fanfare and PR mudslinging. Juniper's (JNPR) T4000 is at 240Gb/s per slot. The CTR is also said to support Cisco's CPAK silicon photonics modules, which some analysts (though not all) view as a threat to JDS Uniphase (JDSU) and Finisar (FNSR).

      • 3 Replies to rayfdumo
      • from agcresearch : "The Alcatel-Lucent 7950 XRS core router provides an integrated P-Router and Label Switched Router (LSR) solution with high port and slot density per chassis to deliver increased scale and higher efficiency to meet the requirements of 100G configurations.

        ACG Research analyzed the TCO of the 7950 XRS core router and other leading core switch/router solutions when deployed on a simulated large core network subject to high traffic growth rates. It found that the OpEx of the 7950 XRS is 43% to 56% lower than the competitions’ core router solutions. Capital expense (CapEx) also is lower by 22% to 26%. "

      • Actually, the 7950 XRS model 40 can deliver up to 2Tb/s per slot. Alcatel is also coming out with a new Gigabit Ethernet technology of 400 Gbps at the interface link layer where every competitor including Cisco newest CTS is limited only to a 100 Gbps Gigabit Ethernet link interface.

        ALU is also currently developing an interface even at a higher speed 1Tb/s (1000 Gbps) Gigabit Ethernet link using Spatial Division Multiplexing technology. Therefore, it is unlikely that any of ALU competitors will ever catch up

      • Certainly it was to be expected that Cisco would have to come up with something to complete with the 7950 and they are already over a year behind. Hopefully Basil is preparing the next level of core router to introduce when CSCO puts out its competitor to the 7950.

    • I see this news was posted May 28th.
      400 Gbps on a global scale soon ?
      source = BBC news / Nature Photonics :
      "Alcatel-Lucent's Bell Labs has found a way to go that extreme distance by relying on the basic concept behind noise-cancelling headphones. When the researchers send data across two light beams in opposing phases, they can superimpose the signals and neutralize the distortion that would normally occur at long ranges. Such clean output lets Bell Labs ramp up the signal strength and maintain high speeds across whole oceans: its test pushed 400Gbps through 7,954 miles of fiber. There's no word on how soon we'll see twin-light technique put into practice, although we suspect that a networking giant like Alcatel-Lucent wants the extra bandwidth as quickly as possible."

    • Couple this with Google's superfast fiber network and things will be changing... Excerpt: Google’s ambitious push to build superfast networks in specific cities, may seem like just another wild idea to come out of the Silicon Valley giant.

      But Google Fiber, as the initiative is called, may just turn out to be a smart long-term business idea, one that poses a serious threat to traditional telephone and cable companies, a Bernstein analyst said Tuesday. In fact, analyst Carlos Kirjner argues, “Our analysis suggests that long-term investors in cable and telephone companies should at least seriously consider the possibility of ‘the frog slowly being boiled,’” he wrote.

      “We think the impact of Google Fiber on incumbent cable and phone companies will be limited in the near-to-medium term, in large part because it takes time to deploy networks,” Kirjner wrote. “Despite this limited short term impact, Google plays a very long game.”

 
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