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In recent years, many telecom operators suffered a profits recession because of the rise of over-the-top (OTT) services, especially text messaging and voice calls. To avoid becoming dumb pipes, telecom operators have to launch diverse digital services to transform their networks from dumb pipes to smart ones. Introducing Software-Defined Networking (SDN) into telecom networks may boost the network...
The increased popularity of over-the-top (OTT) services such as voice calls and text messaging popular has a great impact on the business of traditional telecom operations. It is important for a telecommunications company to maximize resource utilization so as to decrease OPEX/CAPEX (Operating Expense/Capital Expenditure). On the other hand, the deployment of a variety of digital services for broadband...
As the content-rich services which demand tremendous bandwidth proliferate, service providers must adapt to the trend quickly so as to meet not only the current demands but also the future needs of their customers. The hybrid fiber-copper deployment facilitates and complements Fiber-to-the-Home (FTTH) strategy in which optical fiber is gradually brought closer to the consumer, and emerging G.fast...
Along with the widespread development of Internet and mobile applications, the demand for more flexible and dynamic networking services increases. It becomes a new challenge for many carriers to deploy a variety of new services by effective provisioning of network resources. Software-Defined Networking (SDN) is a novel approach to make networks reconfigurable and extensible such that new services...
The tremendous bandwidth demand for content-rich services on service providers initiates new access networks deployment and leads the networks increasingly complex and functional. In general, the commercial access networks are composed of a large number heterogeneous, multi-domain, multi-technology and multi-vendor network devices. In such a network environment, the network migration is a challenging...
Cost down and energy saving are concerned issues in recent years. As a result, cloud computing services for enterprises and persons have been increasing. As for cloud Infrastructure-as-a Service (IaaS), virtual machines (VM) in "cloud" are also starting to replace the original local hosts commonly. Meeting consumers' IaaS requirements with different computing powers, different operating...
As the cloud market is growing fast and more and more enterprises are moving their services to the cloud, assurance of cloud service quality becomes one of the key success factors of cloud business. Due to the dynamic nature of the cloud, it's more complicated to manage and guarantee quality level in the cloud than that in the telecommunication. In order to address these issues, we developed a service...
According to the long term vision of cloud computing, the cloud service gradually becomes a utility just like water, electricity, and telecommunication. Although the cloud service is supposed to greatly improve today's IT delivery model and offer potential benefits to customers by the saving of capital and operational expenditure and the greater flexibility of IT resources, cloud service providers...
As information and communication technology develop rapidly, there is an increasingly perceived vision that cloud computing will become a utility just like gas, water and electricity. Cloud computing, as a daily service, will be provided through the network and be consumed elastically. To deliver it efficiently on user's demand, automatic provisioning is essential. The IaaS provisioning has to deal...
Over the last decade, advances in Internet technology brought about the proliferation of Internet-based multimedia applications, particularly known as Internet Protocol Television (IPTV) services. In the large-scale, heterogeneous, multi-vendor, and increasingly complex and multi-functional IPTV networks, the quality assured provisioning is one of the key challenges to service providers. To support...
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