"The promise of Linux that is robust enough to be used in
telecoms networks has been a long time coming, but the fourth
generation of specifications for Carrier Grade Linux is now
"The future is always an exciting place. Remember the 'Star
Trek' series, when the crew used communication systems or badges
for translation, authentication and subspace links? Back on Earth,
cell phones, PDAs and PCs continue to evolve toward those fictional
devices, but users have the same expectations of features,
availability, reliability, scalability and cost.
"We rely on communication networks made up of access points,
aggregation and core devices plus servers for providing services
and connecting end devices.
"The more users or calls a network carries, the less downtime is
acceptable to the user or the network operator, and this has been a
challenge for equipment suppliers. Five nines (99.999%) of uptime
per year is a common requirement, with six nines (99.9999%) being
requested for core components."