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When it comes to telecommunications software and infrastructure, reliability is paramount. Public network telecommunications products require 5 nines (99.999) or 6 nines (99.9999) reliability. This translates into 30 seconds (for 6 nines) and 5 minutes (for 5 nines) of downtime per year. Equipment meeting these ratings is termed carrier-grade or carrier-class. This reliability is required for all relevant telecommunication software and hardware used in the public telecom network. In the past, communications networks were built on proprietary platforms that could meet the rigorous demands for reliability and performance. This proprietary approach provided very little flexibility, as carriers were often locked in with their original vendor. Enter Carrier-Grade Linux. Originated back in 2002 as a joint initiative between the Open Source Development Lab (OSDL), semiconductor vendors (Intel and IBM), and equipment manufacturers (Nokia, Alcatel, and Cisco), carrier-grade Linux aims to provide a standards-based, open architecture software platform for voice/data systems that require zero downtime. Web Design - Small business custom website from EverestWebDesign.com. Rich Christiansen - Management metaphors at RichChristiansen.com. |

