Simulation results show that the proposed mechanism can reduce FiWi network's energy consumption, improve VNE profit, and ensure high embedding accepting rate and strict delay demand of high-priority VNs. Especially for video VNs, a re-embedding scheme which adopts traffic splitting and multipath route is introduced to meet resource limitation and low latency. Finally, a QoS-aware re-embedding mechanism is presented to allocate proper resource to the VNs affected by the sleeping mechanism. After that, an underlying resource updating mechanism based on energy efficiency awareness is designed to realize low-load ONU and wireless routers co-sleep in FiWi networks. Then, a QoS-aware in-region VN embedding mechanism is proposed to guarantee service quality of different services. First, the virtual network embedding (VNE) model, energy consumption model, and VNE profit model of FiWi networks are established. Fiber-Wireless (FiWi) networks have received considerable attention in the research community in the last few. According to 5 access paper work is done on reducing energy consumption network consumes more than 70 of the total energy not only at optical part but also at the wireless end of consumed by ICT. This paper addresses the problem of computing the shortest path using a novel path length metric and provides optimal solution for the NP-complete problem using integer linear programming and also provides two approximation algorithms with a performance bound of 4 and 2 respectively. Therefore, this paper focuses on the QoS-aware cross-domain collaborative energy saving mechanism for FiWi virtual networks. Access network comprises a Wireless part of FiWi networks collectively. To maintain the consistency between this survey and the references. The existing virtual resource management methods always be designed to optimize virtual network (VN) request acceptance rate and survivability, but seldom consider energy consumption and varied requirements of quality of service (QoS) satisfaction, which is a hot and important topic in the industrial field. Other researchers refer to WOBAN as FiWi BAN (Fiber Wireless Broadband Access Networks). As in every other type of networks, routing plays a major role in FiWi networks. ![]() Network virtualization technology is applied to FiWi networks to realize the coexistence of heterogeneous networks and centralized control of network resource. AbstractFiber-Wireless (FiWi) networks have received con-siderable attention in the research community in the last few years as they offer an attractive way of integrating optical and wireless technology. Because of the different protocols between its subnets, it is hard to globally optimize the operation of FiWi networks. The fiber-wireless (FiWi) access network is a very promising solution for next-generation access networks.
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