January 2003
Lucent Introduces First New Switch in Years
Lucent Technologies last month introduced a new high-capacity switch and components to enable service providers to evolve their existing 5ESS® circuit switched networks to Internet Protocol networks. The new 5E-XC™ switch is part of Lucent's strategy to focus on near and clear market opportunities that play to the company's strengths - in this case circuit switching and circuit-to-packet evolution. The high-capacity switch consists of the most significant upgrades to the 5ESS switch in the last 10 years and nearly triples the capacity while requiring considerably less floor space.
We are delivering what our customers want -- a cost-effective migration to next-generation packet networks -- having higher capacity, higher densities, higher speed interfaces while reducing footprint, reducing power, and simplifying software delivery," said Dave Geary, vice president and general manager of Lucent Technologies Convergence Solutions business. Next-generation voice networks will evolve from current investments, will be IP-based, and will be enabled through SIP."
Providing up to 256,000 trunks, compared to 92,000 trunks on an existing 5ESS switch, Lucent claims the 5E-XC high-capacity tandem switch can save customers up to 50 percent annually on the total cost of owning a switch, including office space, power, cooling, installation, maintenance and software-upgrade costs. The improved switch is touted to integrate “smoothly under the same network management system Lucent customers already have in their networks.”
SBC Communications is deploying Lucent's new switch as a more cost-effective access tandem switch to interconnect primarily with wireless and long distance carriers. SBC is using the switch in several large markets to support existing network traffic and future growth. "Deploying Lucent's new high-capacity tandem switch increases our efficiency and simplifies our network by avoiding the operations and maintenance costs, and complexity of adding multiple smaller switches," said Andre Fuetsch, SBC Vice President-Network Planning.
"Lucent is delivering on its commitment to SBC to evolve its embedded base of Lucent switches to help SBC manage costs and handle future growth," says Geary. "The high-capacity tandem switch application is the first in a series of applications that we will introduce over the next year."
The high-capacity tandem switch can serve dual purposes as an access point for network traffic entering and exiting a carrier's local network, and as the center in a "hub-and-spoke" architecture, switching voice and data traffic between multiple end offices. Three factors can contribute to a service provider's need for more access tandem switch capacity in their network: continued growth in wireless voice traffic, the large base of Internet dial-up users staying online longer and long distance calls that must access their local network.
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