The enhanced bandwidth and diversified services are anticipated to increase revenue as a result of the penetration of dial-up, broadband, and voice services available to businesses and consumers. The Cisco Catalyst 6509, Catalyst 4006 and Catalyst 3550 switches have been selected to further expand the province-wide backbone network.
A wholly owned subsidiary of China Telecom and a major carrier in Zhejiang province, Zhejiang Telecom reported revenue of $1.3 billion with a subscriber base of 11 million in 2001. Zhejiang Telecom views data service as a revenue generator and has been building up broadband IP networks across the province since June 2001. Cisco was previously contracted to provide networking solutions for the first stage of implementation, which included the major cities in Zhejiang's Telecom's service area.
The second stage of the broadband IP network expansion covers 10 major cities in Zhejiang province, including Hangzhou, Ningbo, Wenzhou, Jinhua, Shaoxing, Huzhou, Quzhou, Taizhou, Zhoushan and Lishui. Zhejiang Telecom will use the Cisco Catalyst 6509, Catalyst 4006, and Catalyst 3550 switches.
The Catalyst 6509 will be deployed as a metropolitan area network (MAN) core switch. By combining control-plane and packet-forwarding scalability with intelligent services, the Catalyst 6509 delivers the foundation for next generation networking solutions, such as converged voice, video, data, and e-commerce services. The Catalyst 6509 supports optical wide-area network interfaces of OC-3 (155 Mbits/sec) to OC-48 (2.5 Gbits/sec), features superior processors that can be upgraded via software and that support multi-protocol label switching (MPLS), and has deep packet buffers that address WAN jitter and manage bandwidth fluctuations.
The Cisco Catalyst 4006 switch delivers cost-effective building aggregation for the MAN. With the recently introduced Supervisor 4, the modular 6-slot chassis offers scalable switching with up to 240 ports of 10/100/1000 Ethernet on copper or fiber, multi-protocol layer 3 IP, IPX and IP multicast switching.
The Cisco Catalyst 3550 intelligent Ethernet switch is a powerful, fixed-configuration, multi-layer switch that extends intelligence to the metro access edge, enabling service breadth, availability, security, and manageability.
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