More on Corvis

By R. Scott Raynovich, Network World |  Networking

George Gilder, editor of the Gilder Technology Report, has added Corvis to his list of "Telecosm Technology Companies" in the April edition of the newsletter, released last week.

Though Gilder has long said he's not into "stock-picking," Wall Street has religiously followed Gilder's picks for years. But before you log on to E-trade, take note of some other adjustments to the GTR list. Previous "hot" Gilder fiber-optic picks Lucent and Nortel Networks have mysteriously dropped off the list, with nary a mention in the newsletter. Out of sight, out of mind?

As for the rationale behind the Corvis pick, Gilder and GTR analyst Charles Burger write in April's issue that Corvis fits well into their larger theme, which is that the massive addition of bandwidth will render irrelevant many of the finer points of optical networking, such as the grooming of STS1 (51.8M bit/sec) circuits and software management features. In the Gilder vision of the future, optical bandwidth is so overabundant that packing the pipes in a neat and efficient fashion isn't worth the trouble. It also assumes that electronics will be quickly booted out of the optical network.

"Light will be 10 orders of magnitude more reliable and 10 orders of magnitude faster," Gilder and Burger write in the newsletter. "The network would harden. Whether in the BlueArc Silicon Server or in a Corvis or Avanex network, software complexities rooted in the scarce processing power and memory of the microchip can be driven out by wasting the abundant gates of [field-programmable gate arrays] or in the copious bandwidth of the optical fiber."

In short, Gilder and Burger believe that Corvis's small port-count, all-optical switches in the core will supercede optical-electrical-optical (OEO) switches offered by competition such as Ciena. In fact, the GTR has beaten up on Ciena in recent months, saying the company's focus on software has been misguided.

Interestingly enough, Corvis is developing OEO products that will more directly compete with Ciena's offerings. The most obvious is a grooming switch, which, of all things, addresses the manipulation of finer circuits such as STS1. (We wrote about this grooming switch in the last newsletter.) Despite Gilder's mantra of "waste the bandwidth," it appears that telecom carriers are still demanding such functionality in switches, and this has been the primary driver behind Ciena's recent sales success. Corvis has taken note.

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