"The traditional approach to Linux enterprise releases is to
keep the kernel the same in an effort to maintain compatibility. In
that approach, new features are back-ported to the update. SUSE is
now taking a different approach and is instead forward-porting
compatibility for new features.
Dr. Gerald Pfiefer, senior director of product management at
SUSE Linux, noted in the SP1 release that SUSE also rebased the
kernel, though in that case it was an exception. With the SP2
update he said there is now a desire and a willingness to move
forward instead of constantly backporting technology
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