Why RIM’s network crashed

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RIM LogoAfter far too long sitting and wondering without any word of the reasons for the BlackBerry Breakdown earlier in the week, RIM has finally released official word as to why the entire North American BlackBerry network went down.

The tumbleweed of destruction was caused by “the introduction of a new, non-critical system routine” designed to optimize the system cache that handles email. Apparently, the new routine was insufficiently tested (duh), and let to a critical failure. And what about the backup?

The Waterloo, Ontario-based company also said the process designed to maintain service in the event of a failure “did not fully perform to RIM’s expectations,” causing a longer delay before service was restored.

Nice. RIM, we love what you do, but next time make sure to dot the i’s and cross the t’s before you roll out the ole’ upgrade, k?