TELUS (TSX: T, T.A; NYSE: TU) has selected Ethernet equipment from RAD Data Communications to enable its new business Ethernet offering throughout Canada. TELUS is deploying its new CML3 (Customer Managed Layer 3) Ethernet service to business customers of all sizes, and is using RAD ETX-102 and ETX-202 Ethernet demarcation devices as a cost-effective means of managing the CML3 service.

RAD’s ETX-102 and ETX-202 are intelligent, carrier-owned and operated demarcation units installed at the customer premises to handle traffic going to and from the TELUS Metro Ethernet and MPLS fiber-based networks. The devices give TELUS the ability to deliver carrier Ethernet services tailored to the customer’s needs and to manage those services to assure that TELUS is meeting its SLAs (service level agreements) with customers.

RAD’s ETX-102 is a feature-rich, low-cost demarcation device for delivering Fast Ethernet services at rates up to 100 Mbps, while the ETX-202 provides similar services at rates up to 1 Gbps. MEF (Metro Ethernet Forum) 9 and 14 certified, both units support a suite of OAM (operation, administration, and maintenance) capabilities, including Layer 2 loopback and "Dying Gasp," which keeps a connection alive long enough to send an OAM message to the network about a power outage. They also deliver multiple customer VLANs and VLAN stacking, service differentiation with multiple priority queues, rate limiting, and uplink redundancy.

Both the ETX-102 and ETX-202 are designed as clear demarcation points between the user and operator. They allow a service provider to achieve end-to-end rather than just edge-to-edge service control. Their internal bridges provide flexible VLAN capabilities, and they enable service differentiation at the customer premises by providing per-service rate limitation and traffic prioritization.

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