Software-Defined Networking and Virtualization: The Service Provider Perspective
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An architecture based on software-defined networking (SDN) and virtualization techniques gives operators greater freedom to balance operational and business parameters, such as network resilience, service performance and QoE against the costs. In this work we review our Carrier Cloud as a future mobile network infrastructure that exploits both SDN and virtualization technologies in order to increase the operator agility, reduce the cost, and even disrupt the vendor landscape. We begin with Ericsson’s approach to SDN goes beyond the data center addressing issues in the service provider environment, and move on to network functions virtualization (NFV) as a promising alternative to the legacy network infrastructure. We also reveal there are remaining hurdles of those key technologies to overcome in order to be fully adopted in the Telco world.
Abstract
An architecture based on software-defined networking (SDN) and virtualization techniques gives operators greater freedom to balance operational and business parameters, such as network resilience, service performance and QoE against the costs. In this work we review our Carrier Cloud as a future mobile network infrastructure that exploits both SDN and virtualization technologies in order to increase the operator agility, reduce the cost, and even disrupt the vendor landscape. We begin with Ericsson’s approach to SDN goes beyond the data center addressing issues in the service provider environment, and move on to network functions virtualization (NFV) as a promising alternative to the legacy network infrastructure. We also reveal there are remaining hurdles of those key technologies to overcome in order to be fully adopted in the Telco world.
참고문헌 (13)
- On the Pulse of the Networked Society, "Ericsson", Traffic and Market, ~ (2012)
- "Open Networking Foundation"[URL]
- "Network Functions Virtualization"[URL]
- "OpenDaylight"[URL]
- "OpenStack"[URL]
- Mats Alendal, "The Premium Cloud: How Operators Can Offer More", Ericsson Business Review (2012)
- Francesco Caruso, "Deploying Telecom-Grade Products in the Cloud", Ericsson Review (2012)
- David Allan, "Enabling the Network-Embedded Cloud", Ericsson Review (2012)
- "SPARC - Split Architecture Carrier Grade Networks"[URL]
- Elisa Bellagamba, "Virtual Network System", MPLS & Ethernet World Congress (2012)
- Cisco, "Visual Networking Index: Global Mobile Data Traffic Forecast Update, 2012-2017", ~
- Zafar Ayyub Qazi, "SIMPLE-fying Middlebox Policy Enforcement Using SDN", ACM SIGCOMM, pp.12~16 (2013)
- Attila Takacs, "Softare-defined networking: the service provider perspective", Ericsson Review (2013)