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Sprint, Cisco and Ciena Fuel Next-Generation Services with 40-Gbps Circuits on the Global Sprint Tier 1 IP Network

2008-07-15 08:00:00

Unique implementation is expected to increase capacity as well as

drive network efficiencies and gains in performance

Sprint continues aggressive deployment of Cisco CRS-1 Carrier Routing


OVERLAND PARK, Kan. & SAN JOSE, Calif. & LINTHICUM, Md.–(EMWNews)–Sprint (NYSE:S), Cisco (NASDAQ:CSCO) and Ciena (NASDAQ:CIEN) announced

today that they are implementing 40-gigabits-per-second (Gbps) network

capabilities on the Global Sprint Tier 1 IP Network using a technology

called Internet Protocol over dense wavelength-division multiplexing, or

IPoDWDM for short. The implementation supports the needs of Sprint

customers who are looking to adopt next-generation services, grow their

businesses and enable their employees to conduct day-to-day tasks,

simply and immediately.

Todays announcement builds upon Sprints

aggressive deployment of the Cisco CRS-1 Carrier Routing System. In

2004, Sprint and Cisco used CRS-1 routers to conduct the first 40-Gbps

technology trial with live-production traffic. Sprint began deploying

them in its IP core network in 2006. Today, Sprint CRS-1 routers are

deployed in more than 25 U.S. cities, and Sprint is working to ensure

this leading-edge infrastructure technology is enabled domestically and


Sprint is further enhancing its network by deploying 40-Gbps circuits

and expanding available capacity for its customers. Earlier this year,

Sprint completed final testing of the 40-Gbps IPoDWDM technology and

enabled their first production 40-Gbps circuit. This converged solution

used the Cisco® CRS-1 Carrier Routing System

with built-in transponders along with Cienas

CoreStream® Agility

platform to transport the wavelength across the fiber-optic network. To

date, several 40-Gbps circuits have been deployed, and those are

carrying commercial IP-based services.

Sprints network

capabilities support the growing use of the Internet, as well as the

growth we are seeing with Multiprotocol Label Switching (MPLS) services

– and our efforts to effectively migrate customers from legacy

technologies to SprintLink IP and Global MPLS platforms,

said Kathy Walker, chief information and network officer for Sprint. Deployment

of 40-Gbps circuits throughout our IP core enables next-generation data,

voice and video applications and allows Sprint to scale its IP network

to address customer needs, as IP increasingly becomes the basis of

communications services.

As a long-standing customer of multiple Ciena platforms, Sprint began

deploying CoreStream, with its 100G-ready scalable capacity and flexible

design, in its Tier 1 IP backbone in 2000 and has more than 1,000 nodes

deployed across its network today.

By delivering 40-Gbps wavelengths over the

existing CoreStream network, Sprint is streamlining its operational

efficiency by delivering up to 3.2 terabits-per-second (Tbps) of

capacity over a minimum number of wavelengths and without doing costly

overbuilds, said Steve Alexander, CTO of

Ciena. This approach underscores Cienas

commitment to maximizing the lifecycle of our customers

network investment so it continuously scales and adapts over time to

help them capitalize on the business opportunities presented by mobile

broadband, Ethernet and IP-based services.

The implementation of IPoDWDM drives efficiencies by eliminating client

connections between the router and DWDM system and increasing bandwidth

four times by transmitting 40-Gbps across an existing 10-Gbps DWDM

system. The integration of router and DWDM transponder components

reduces network complexity and increases the scalability and resiliency

of the backbone. IPoDWDM can also position Sprint to rapidly move to

higher data rates (e.g., 100-Gbps) without overhauling the network


Cisco pioneered IP over DWDM by introducing

it to the industry in December 2005, said

Kelly Ahuja, Cisco vice president and general manager of the service

provider routing technology group. Sprint

was an early adopter of both it and our IP NGN architecture to combine

and distribute video, voice and data content rapidly to the benefit of

its customers network experiences and to do

it efficiently to benefit its business.


Ciena specializes in network transition. We provide the flexible

platforms, intelligent software and professional services to build

converged networks for enhanced services and applications. With a

growing global presence, Ciena leverages its heritage of practical

innovation to deliver maximum performance and economic value in

communications networks worldwide. For more information, visit


Cisco (Nasdaq: CSCO) is the worldwide leader in networking that

transforms how people connect, communicate and collaborate. Information

about Cisco can be found at

For ongoing news, please go to


Sprint Nextel offers a comprehensive range of wireless and wireline

communications services bringing the freedom of mobility to consumers,

businesses and government users. Sprint Nextel is widely recognized for

developing, engineering and deploying innovative technologies, including

two wireless networks serving nearly 53 million customers at the end of

the first quarter 2008; industry-leading mobile data services; instant

national and international push-to-talk capabilities; and a global Tier

1 Internet backbone. For more information, visit

Media Contacts:
Jackie Bostick, (913)

[email protected]

Petschow, (773) 444-5106
[email protected]

Nicole Anderson, (410) 694-5786
[email protected]

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Jordan Taylor

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