With the amount of digital data in data centers growing annually and storage budgets highly constrained open source storage system designs can fill an important niche for data centers and IT people comfortable with installing and maintaining their own hardware.
German politicians are constrained by a complex federal system, a sceptical public, messy coalition politics and jealous institutions such as the constitutional court.
As for the Soviet Union's allies in East Europe, where nationalism is resurgent and the desire for radical reform is strong, they will be significantly constrained in attempting any fundamental shifts from the dominant Soviet system.
California, like other states that are in the midst of carrying out their green energy goals, is constrained by the amount of space it has available on its transmission system.
This system is a must-have simply because the GL's outward visibility is so seriously constrained and the sprawl of the vehicle makes it hard to tell where the corners are.