Linux at 20: New challenges, new opportunities

The rise of cloud computing and mobility could elevate the open source OS to a level of unprecedented dominance

By Neil McAllister, InfoWorld |  Software, Linux

Microsoft's strangest gesture of all, however, was its cryptic video birthday card to Linux. In it, Microsoft admitted to "trying to scare Linux off" and went on to ponder a world in which Microsoft and Linux could coexist. As olive branches go, it wasn't particularly heartwarming. But the fact that Microsoft bothered at all may be evidence that the software giant is at last coming to terms with Linux's role in modern IT -- and its place in IT's future. 

The rocky road aheadEven if Microsoft disappeared tomorrow, however, Linux would still face challenges. For starters, Microsoft is hardly the only company that could assert patents against the open source OS. In April, Bedrock Computer Technologies won a $5 million judgment against Google for patent violations related to the Linux kernel. Doubtless that was but one reason why Google sought to purchase Motorola Mobility, which has its own portfolio of more than 24,000 patents.

The rising value of the commercial Linux market may also lead to increased infighting among the Linux vendor community. For example, Oracle has frustrated Red Hat for several years by marketing what is essentially a carbon copy of Red Hat Enterprise Linux. In response, Red Hat has become more guarded about how it releases kernel code patches.

More recently, Oracle bought Ksplice, a maker of technology that allows patches to be applied to a running Linux kernel instance with zero downtime. Previously, Ksplice was available for multiple Linux distributions, including Red Hat and Ubuntu, but Oracle now says it will make the technology available for its own Linux flavor exclusively. Further actions like these could disrupt the "cooperative competition" that has characterized the commercial Linux industry to date.

Equally important, Linux's technical evolution isn't over. As successful as it has been on mobile devices so far, it could do a lot better. Linux on the ARM architecture is a morass of redundant, device-specific kernel builds and distributions, and consolidation is sorely needed.

Mobility is but one frontier for Linux to conquer. Parallel processing is another. Linux works well on today's multicore chips, but as tomorrow's chips grow to 48 cores or more, today's Linux kernel won't be able to keep up.

Originally published on InfoWorld |  Click here to read the original story.
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