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Features 2007 P1
Green is PON's color
By Dan Parsons, BroadLight -- PON architectures save money, energy, and the environment.
Migration to GPON: Practical considerations from the central office to the outside plant
By Patrick J. Sims and Pat Thompson, ADC -- Practical considerations—based on informed decision-making—provide the foundation for a cost-effective transition between legacy and future access technologies.
Carrier Ethernet transport: No longer 'if,' but 'how'
By Brian Pratt, Meriton Networks -- For many service providers, it is no longer a question of whether to use Ethernet for transport; it is now a question of how to use it.
Delivering performance-grade Ethernet transport
By Mitch Auster, Ciena Corp. -- There are four key features that make Ethernet suitable for WAN deployment in service provider networks: connection-oriented Ethernet transport tunnels; a robust packet transport substrate; mesh-based, multilayer control plane automation; and multilayer service-level management.
The case for SAN extension over Ethernet
By Umesh Kukreja, Atrica Inc. -- Leveraging the scalability, ease of management, and lower cost points of Ethernet, SAN extension over Ethernet gives service providers a powerful tool for pursuing the burgeoning SAN extension services market.
Key parameters for testing VoIP networks
By Maya Gershon, Agilent Technologies -- Conventional wisdom says gaining a customer back from churn takes an investment four times greater than the original investment. As such, service providers must properly test their VoIP networks.
Ethernet service monitoring and testing
By Fred Ellefson, ADVA Optical Networking -- To ensure a service is going to work under any and all conditions, a provider must stress test a service to the boundaries of an SLA before it is handed over to a customer. Fortunately, such a capability is now available.
Establishing edge-to-edge Ethernet service-level verification
By Manu Kaycee, Telco Systems --
Tools are available today that enable a service provider to define the service-level capability across the network, provision the service, and monitor the service performance to determine if the agreed SLA is being met.
Crosstalk-induced jitter in high bandwidth LVPECL, CML and LVDS circuits
By Bob Allen, Micrel Inc. -- There are several ways to characterize jitter. In applications that require a multiplexer or crosspoint switch, crosstalk-induced jitter is an important specification.
Crossing the deep divide: Improving wireless cell site backhaul in the last mile
By Peter Neill, Level 3 Communications -- Evaluating coverage, price, performance, and time-to-market, it is clear that hybrid fiber/wireless networks meet the immediate backhaul needs of wireless service providers.
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