![]() Cox Communications: Cost-Effective Traffic Engineering with OPNET SP GuruŽ Network Planner During his keynote presentation at OPNETWORK, Mazen Khaddam, Principal Network Architect at Cox Communications, illustrated how SP Guru Network Planner was instrumental in optimizing its MPLS traffic engineering process. MPLS is a key enabler of Cox’s strategy to evolve to a single IP network for residential and commercial voice, video, and data services. Leveraging MPLS traffic engineering, Cox gains full control of the utilization of available bandwidth to deliver better-optimized triple- and quad-play services with diverse QoS requirements. The MPLS traffic engineering process also minimizes the impact of possible network failures on end-user services. To harness the power of MPLS, Cox Communications applied SP Guru Network Planner’s best-in-class MPLS traffic engineering capabilities on its national IP backbone network. The outcome was a set of optimally designed label switched paths (LSPs) that maximized network performance and guaranteed that the network was designed resilient to failures. Cox significantly benefited from OPNET’s unique tactical design capabilities that significantly improve network utilization with minimal modifications to the existing network—reducing the associated risks of broader network design changes. Using this incremental traffic engineering approach, Cox significantly reduced maximum link utilization while only rerouting 27 LSPs in their massive network, providing substantial future cost savings. Cox Communications continues to rely on SP Guru Network Planner to maintain excellent customer service by optimizing the network design with built-in resiliency. The full presentation is available for OPNET clients at the OPNETWORK web site.
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