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Robert Koberg wrote: > Michael Kay wrote: > >>> hmmm... isn't the internet a hierarchy? has that failed? >> >> If the internet is a hierarchy, can you tell me how to find the root? > > A quick google turned up: > > http://www.support.psi.com/support/common/inet-serv/dns/hierarc.html > > "The Domain Name System is a distributed hierarchical system for > resolving host names into IP addresses. The DNS has a root domain at the > top of the hierarchy and directly under are the top-level domains. The > root of the tree has no name. All siblings of a domain must have unique > names. Children of a domain are called subdomains of the parent." > > ---- > > On another note, I know you (Michael) are interested in genealogy. How > do you get the root of a family tree? So the Internet is a tree of domains, and simultaneously a forest of named subdomains. The mitochondrial family tree has a root. The y-chromosome tree has another. But the human family tree is a forest, as well. Or, as MURATA Makato styles it, a hedge. Bob Foster
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