North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Toronto bell canada central office fire
Now that is a great analogy, I love it, right to the point. Henry Sean Donelan wrote: > [email protected] (David Lesher) writes: > >a Telephone Company building, with Telephone Company rules and > >craft people. Much as I despised dealing with them; they had a > >Book and followed it. They wrote their Book after attending the > >School of Hard Knocks. It showed. > > The mistake is assuming there is only one "Book." Even telephone > companies make this mistake. There Book isn't always the best way > to do some things. > > There is/was the Book according to Ma Bell (now telcordia). > There is/was the Book according to IBM. > There is/was the Book according to DoD. > There is/was the Book according to USDA (yes, the US Department of > Agriculture has a book on how to build a Central Office). > There are the (many, many) Books according to ITU/ISO/ANSI/T1. > > The interesting thing is none of them completely agree with any > of the others. You need a good understanding of the assumptions > which went into the book. If you plan to put data processing > equipment into a facility, Bellcore/Telcordia may not be the > best template. If you plan to put a 5ESS into a facility IBM > may not be the best template. If you plan to put both into > the same facility, things get a bit more interesting. > -- > Sean Donelan, Data Research Associates, Inc, St. Louis, MO > Affiliation given for identification not representation
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