- Microkernels aren't about the size of the kernel.<p>- A decade later, Xen.<p>- What _file server replication_ means here? File redundancy as employed in ZFS and similar filesystems widely used in servers?<p>- Interesting how they say new languages aren't needed or are helpful for distributed applications yet Plan 9 team made Limbo, a decade later DARPA paid a few million for distributed parallel languages, and few years later Pike made Go.