Posted on SearchTelecom
By Dr. Ray Mota, Managing Partner, ACG Research
Editor's Note: Telecom service providers have made it clear they need 100G transport technology in their long-haul networks in order to handle increased customer traffic and bandwidth use. While the industry wants to move quickly to develop 100G DWDM optical network transport, speed isn't the only issue to be addressed. Transmission performance, price, and space and power dissipation per bit also have to be improved over 10G and 40G DWDM transport solutions. In this expert lesson on increasing optical channel rates to 100G, optical expert Ray Mota, managing partner of ACG Research looks at the forces driving first-generation adoption of 100G DWDM and examines what the industry is doing to prepare for it, particularly after learning from the mistakes of 40G development. This three-part guide includes predictions on the 100G market.
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Telecom industry prepares for 100G DWDM optical network transport
With the telecom industry giving a resounding "yes" to 100 gigabits per second (100G) dense wavelength division multiplexing (DWDM) optical network transport,
 | | | | | It will take second- and possibly third-generation products hitting the right cost points to move providers from 10G and 40G to 100G.
Dr. Ray Mota
Managing Partner, ACG Research | | | | | | | | |
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the race is on to develop and deliver first-generation 100G DWDM products that will boost optical channel rates to 100G. Having learned from the multimodulation mistakes of 40G, the industry has quickly moved to standardize components so vendors can bring products to market faster and at cost points that will make 100G adoption viable in a shorter time frame.
The first implementations for 100G DWDM network transport will be high-capacity connections between switches, switches and routers, and router-to-router at Internet exchanges and within service provider and carrier points of presence (POPs).Why? One reason is that innovative content providers with huge data centers have put pressure on the industry to develop 100 Gigabit Ethernet on the client side. In addition, the aggregation of 10G links from IP routers has driven the line-side development of 100G DWDM for long-haul optical transmission on service provider and carrier networks.
These innovations should lead to extensive deployment of 100 Gigabit Ethernet in data center networks, which will be required to manage the bandwidth necessary to aggregate the server and storage community within the data center. 100G optical transport links will also be deployed as a requirement for higher bandwidth applications and to aggregate internal service elements within the carrier.
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