... ) Mean Time Between Failure (MTBF) as a result of lower quality components and a non-robust architecture » Unprotected Operating System (e.g. VxWorks) Carrier-Grade Requirements for Cable Networks Distribution Hub GbE HFC CMTS Edge QAM Ethernet Switch Headend or Primary Hub VOD and Ad Servers Digital ...

... . Broadcast channels with national ads passed through. Intranet, VPN & VoIP VOD Broadcast VoIP Internet 3 » Unprotected Operating System (e.g. VxWorks) » Service-affecting upgrades » Inability to roll back to the previous software release » Non wire-speed interfaces and backplane contention/blocking ...