Distributed Service Outages
A running joke among system administrators offers this definition of a distributed service:
A distributed service is one in which a server you have never heard of, in a place you've never been, can cause the machine on your desktop to crash.
As Homer Simpson likes to say, “It's funny because it's true.” Distributed service outages differ from other kinds of outages in one important way: Although most outages on server A result from a failure on server A, a distributed service outage can occur when a failure on server B causes a failure on server A.
A distributed service (all jokes aside) is one that resides on a remote system but is critical to the functioning of another system. DNS (domain name system) and NFS (network ...
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