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Technology Stocks : The New QLogic (ANCR) -- Ignore unavailable to you. Want to Upgrade?

To: Douglas Nordgren who wrote (20635)	2/7/1999 7:59:00 PM
From: Jeff R	Read Replies (1) \| Respond to of 29386

National FC Network? Are you folks crazy? Even with Zoning the security risks are way to high. Bandwidth allocation is another problem yet to be solved. We are currently researching FC and we are nervous about the security implications just putting two servers on a SAN. The potential for one server interfering with the other is pretty high right now. One bad apple can take your loop down....

To: Douglas Nordgren who wrote (20635)	2/8/1999 12:19:00 AM
From: George Dawson	Respond to of 29386

Distance Limitations: nic and Douglas, I think the reasons that there are no distance limitations on ATM is that there is a huge ATM infrastructure. I will reference Sprint's long distance fiber optic network that was completed in 1986. It is about 23,000 miles in length and has regenerators every 40km for the asynchronous transmissions systems at the time. As the bit rates increased the regenerators had to be moved closer to about 37km. As the system began to change over to SONET gear in 1995 regenerators were still necessary between add/drop multiplexors where lower speed traffic would enter or leave the main trunk. If the distance limitations are due strictly to availability of a regenerating infrastructure - all the tables I have read comparing distances on gigabit hardware are really unfair comparisons. In these tables you will usually see "no limitations" on ATM distance limits. George D. Ref: Butler RK, Polson DR. Wave-division mutliplexing in the Sprint long distance network. IEEE Commun Mag. vol 36, no. 2, 1998, pp52-55.