The Library of Babel is a short story written by Argentine author Jorge Luis Borges and was published in 1941. The library comprises a gigantic collection of books, each having 410 pages, with 40 lines on each page and 80 characters on each line. Thus, there are 410 x 40 x 80 = 1,312,000 characters in each book. The library contains every possible book of this form, that is, one book with each of the possible orderings of the characters. Borges used an alphabet of 25 letters, so the total number of books is 25 raised to the power 1,312,000. This corresponds approximately to two followed by 1.8 million zeros, an unfathomable number. Thus, it would contain every book that ever has been written, and every book that ever could be, including every play, every song, every scientific paper, every legal decision, every constitution, every piece of scripture, and so on.
The building blocks required to achieve success in a business domain and differentiate the company from its competitors: Core domains : The interesting problems. These are the in-house activities the company is performing differently from its competitors and from which it gains its competitive advantage. Generic domains : The solved problems. These are the things all companies are doing in the same way. There is no room or need for innovation here; rather than creating in-house implementations, it’s more cost-effective to adopt \ buy existing solutions. Supporting domains: The problems with obvious solutions. These are the activities the company likely has to implement in-house or outsourced, but that do not provide any competitive advantage. Domain experts are subject matter experts who know all the intricacies of the business that we are going to model and implement in code. In other words, domain experts are knowledge authorities in the software’s business domain. T
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