![]() However, existing analytical models cannot be utilized for all- optical WDM networking with heterogeneous structure of link capacities due to the wavelength continuity constraint and unequal numbers of wavelength channels on different links. Existing analytical models can also be extended to opaque WDM networking with heterogeneous link capacities due to the wavelength conversion at each switch node. Numeric results show good performance of AICC through simulation experiments.Īn improved approximate network blocking probability model for all- optical WDM Networks with heterogeneous link capacitiesĬurrently, analytical models are used to compute approximate blocking probabilities in opaque and all- optical WDM networks with the homogeneous link capacities. A novel Openflow-based unified control architecture is proposed for the optimization of cross layer resources. In order to improve the efficiency of network resources and capability of service provisioning, heterogeneous optical networks resource can be abstracted as unified Application Programming Interfaces (APIs) which can be open to various upper applications through Application-oriented Integrated Control Center (AICC) proposed in the paper. The relationship between upper application layer and lower network resource layer is necessary to be researched further. There are still some challenges for future optical networks although the available bandwidth is increasing with the development of transmission technologies. Various broad bandwidth services have being swallowing the bandwidth resource of optical networks, such as the data center application and cloud computation. Zhao, Yongli Zhang, Jie Cao, Xuping Wang, Dajiang Wu, Koubo Cai, Yinxiang Gu, Wanyi Application-oriented integrated control center (AICC) for heterogeneous optical networks ![]()
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