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A cluster of computers connected to a high-speed private network, running Linux, FreeBSD, or another free OS, and using Beowulf software to function like a single massively parallel computer. All nodes in the system are dedicated to running cluster jobs, and do not function as client machines. A Beowulf cluster is designed for high speed over-reliability. Typically there is only one node that is connected outside of the
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Beowulf - In article , Jeff Sutter wrote: Linc Madison wrote in message news:: Fortunately, there were some 'can do' politicos on the job, and three years later, we have our 7 digit dialing back, while industry is still playing the same tune. I'm perplexed why Linc would have us dial extra digits. You can implement a tech overlay without requiring 1+10D.No, you can't implement an overlay in California without 1+10D. Dialing7D in an overlay area is not allowed because it's not competitivelyneutral. You can't have 7D in an overlay area anywhere in the USA.You could do something like 10D for calls within the overlay area and1+10D for calls outside, but it's easier and less confusing just to say1+10D for all calls, since California doesn't have the "toll alerting"feature of "1+ means toll."Yes, you have 7D in 310, but you are also living with the Sword ofDamocles hanging over every business in the southern half of the areacode. The following scenario is possible:Let's say you have the phone number (310) 241-xxxx in San Pedro.October 1, 2003: CPUC announces dates for 310/424 geographic split.December 1, 2003: Permissive dialing begins. Your number can be reachedas either (310) 241-xxxx or (424) 241-xxxx.March 1, 2004: Mandatory dialing begins. Your number must be dialed asarea code 424. Calls to (310) 241-xxxx will receive an interceptrecording telling the caller to redial with area code 424.May 1, 2004: the prefixes that changed to 424 become available forreassignment in 310. Thus, someone dialing (310) 241-xxxx would simplyreach a wrong number, with no indication that your number still existswith only a change of area code.That's seven months from the date of the final CPUC announcement to thedate that your old number no longer works AND no longer gives anyindication of the correct new number.Those time ranges are the minimums, but the draft decision that theCPUC considered in June 2003 called for recycling prefixes on April 22,2004, less than 8 months after the beginning of permissive dialing onSeptember 5, 2003. (Obviously that schedule was not adopted, but it'sthe most recent specific proposal the CPUC has considered.)That's not at all what I call "can do" planning.In article , Steven Lichter wrote: If the NPAs had not been extended out of the country we would have had more then enough area codes.Not true. First of all, Canada has been included in the NANP numberingscheme from the very beginning. Secondly, even if you include Canada,the non-US NPAs are not a major factor in the life expectancy of thecurrent numbering scheme. There are only about 40 NPAs outside theU.S., and the 17 of those that are not in Canada represent a one-time-only expenditure of numbering resources. None of those 17 area codesis projected to exhaust in the foreseeable future. and when cellular was first on scene they should have been put into their own area codes;That would have helped, but what brought us to the precipice wasn'tcellphones or faxes or modems or any of the other customary scapegoats.It was the advent of landline CLECs, coupled with a scheme forallocating numbering resources that hadn't yet been adapted for the eraof local competition.There are three main reasons that the growth in new area codes hasslowed to a trickle. First, the allocation scheme has been overhauled,providing for LNP and thousands-block pooling, now reaching most partsof the country. Second, the "bubble" in the telecom sector has burst,leading to a dramatic consolidation of CLECs. Third, the generaleconomic slowdown has reduced overall numbering demand.www dot LincMad dot com / Telecom at LincMad dot comLinc Madison * San Francisco, California
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