OS X Yosemite networking issues and discoveryd

[iMore.com]

Having problems with Apple devices on your network getting lost or appended with numbers? Discoveryd might be to blame.
Iconfactory developer Craig Hockenberry posted to his blog about persistent problems he's run into with OS X Yosemite (warning: strong language). Hockenberry gives me some insight into a problem that has also dogged me since Yosemite was in beta last summer: Problems with Macs waking from sleep, and devices on the network being arbitrarily renamed.

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