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Technology Stocks : LAST MILE TECHNOLOGIES - Let's Discuss Them Here
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To: Frank A. Coluccio who wrote (1791)8/3/1998 6:41:00 PM
From: Bill  Read Replies (1) of 12823
 
<<This should only be a problem less than ~0.2% (<?>) of the time if the carrier has sized the plant provisions correctly, which means they've taken all of the traffic dynamics into account, correctly. The larger carriers will normally do this. The shared tenant building owners, and the fly by night ISPs? Don't bet on it. Believe me on this: Don't bet on it!>>

Frank, I would normally agree with this paragraph whole-heartedly. Especially in the circuit switched environment. But we're talking about data, asymetrical traffic flows, "split" lines, spectrum management and heterogeneous layer 2/3 equipment. What "larger" carrier do you know that doesn't have the same traffic engineering problems that smaller ones have in this type of environment?

It is true that smaller carriers tend to watch their costs more closely because of the capital required to grow their businesses. However, even in an environment with generous capital spending, traffic engineering problems are manifest because all carriers engineer for oversubscription, without knowing the traffic from each user. Larger carriers have historically been able to simulate calling patterns and hold times in the voice world. But now, traffic is not conveniently packaged in 64 kbps time slots. It's helter-skelter. And that upsets the traditional traffic engineering algorithms of these large carriers.

IMO, it has become one of the core cultural problems facing ILECs that are migrating to support packet-based services.

Bill
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