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The dawn of the information age has been predicated by rapid developments in technology and a wave of advanced consumer and enterprise applications. Increased competition and the drive to meet shifting and increasingly complex customer demands have mounted pressure on operators and their networks, testing the adaptation capabilities of both. 

Presently, bandwidth describes the major tool by which operators seek to forge a competitive edge, yet capacity limitations present a discernible barrier to attracting subscribers via a range of advanced services reliant on high bandwidth resources. Internet users expect sufficient bandwidth to immediately grant access to target applications and content. The increased demand for speed is exacerbated by the shift from traditional web browsing to high-definition videos, which exerts unprecedented pressures on bandwidth resources. 

The burgeoning complexity of applications coupled with the information explosion requires rapid, flexible networks that can deliver robust access, transmission, and IP backbone platforms. The legacy situation of networks, however, necessitates their fundamental transformation in these areas if the needs of modern consumers can be met. 

Posing a combined challenge and opportunity, network transformation not only tests operators' true capabilities, but it also opens the road for the rapid technological advancement that accompanies urgent and dynamic circumstances. Operators are forced to constantly deploy new technologies to upgrade access methods. Optical fiber access is replacing narrowband in fixed networks, while mobile networks are hopping from 2G to 3G, with one eye looking ahead to 4G ultra broadband. Faster access technologies not only enhance online experience for consumers, but also widen the scope of IT technologies to provide services such as telemedicine and distance learning. 

In addition to the access layer, information saturation threatens to swamp transport networks. This will bring on the increasing deployment of 40G and 100G WDM networks. The 40G optical transport solution is especially regarded as the major technology for next-generation optical networks and is poised to solve the interconnectivity gap between super core routers and super computers, and thus shatter the transmission capacity bottleneck. 

In terms of the IP backbone, data traffic growth is testing its strength and demanding a fortified core. Cluster technology is currently regarded as the optimum solution by which to expand service capacity and augment performance, while avoiding additional maintenance work, reducing complexity, and minimizing CAPEX and OPEX. 

Network transformation and new technologies have touched every network layer to both respond to and drive the information age. Given the sweeping nature of nascent and potential applications, networks are becoming endowed with the prowess to transform the fundamental aspects of the way in which we live. To fully do so, they too must constantly deepen and accelerate the transformation process. 



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