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To: Sector Investor who wrote (13515)	5/17/1999 11:25:00 PM
From: WebDrone	Read Replies (1) \| Respond to of 42804

Sector, great great posts. You are getting this stuff ? Way past me! Web (ps- minor point- Moore's law says the DENSITY OF TRANSISTORS doubles every 18 months. Has to do with chip mfg, not speed.)

To: Sector Investor who wrote (13515)	5/18/1999 2:45:00 AM
From: Ronald D. Stange	Respond to of 42804

Sector: Again, an excellent series of posts. Am extracting a point that needs repeating again. No matter how big or fast the backplane, a finitely-defined, single-box system will always be fundamentally constrained by the amount of physical real estate in the box for providing port connections. This port-density limitation cannot be overcome simply by attempting to aggregate together a number of such monolithic individual systems because the sheer complexity of load-sharing port traffic between the separate boxes quickly becomes prohibitive. The emphasis for next-generation systems will have to be on creating inherent capacity to cost-effectively terminate the maximum number of ports within each box and then to gracefully and economically be able to expand the overall system to encompass additional capacity. In essence, the basic architecture for tomorrow's backbone-class, terabit-level devices will need to transition from the concept of a "single box" to that of a "single system" in which all system components can be mutually optimized and smoothly scaled. Foundry Networks, Extreme Networks and Juniper Networks are modeling after paragraph one. While Avici Systems, Nextabit, ARENEA-1 (TM), Monterey Networks CSCO), Sycamore Networks, and others will be players in paragraph two. Ron