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To: Sector Investor who wrote (163)1/24/1999 1:48:00 AM
From: ahhaha  Read Replies (2) | Respond to of 626
 
I meant that Metro Core needs to be more than a switch/router. It needs superprocessor capabilities with tandem redundancy. The complexity of transfer and protocol management goes up with the square of n, nodes served, as the increased load is differentially distributed. Gradients in distribution cause new problems including timing latency. Caching buffers don't load instantaneously and the integrated time latency n-th order simultaneous linear timing equation must be continually solved by the superprocessor in order to avoid overloads and disbalances. The Metro Core has to be informed of all the states within each node in order to modify the coefficients of the timing equations before the next iterative solution is extracted. The old ring just sends the whole pile along and lets each node selectively offload. The new star allows a bigger total pile, but the nodes need to instruct the core of their needs. This adds a significantly higher management complexity that may become untenable under scaling within the raw network's capacity limit.