In the last year, PEP 381 was added to describe a mirroring protocol and set up an official “ring” of PyPI mirrors. This system should be ready by the end of the year 2010, and will provide a DNS entry under mirrors.pypi.org listing all mirrors IPs. This will allow tools like Pip Installs Python (Pip) to list all mirrors and pick the closest one, or fall back in case a server is down.
It is 2013 now. Please update this part.