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Elastic optical networks (EONs) are considered a very promising solution for next-generation optical networks. Elastic spectral bandwidth allocation promotes spectrum utilization efficiency and thus increases the network capacity. One of the fundamental problemsinEONs is the routing and spectrum allocation (RSA) problem. Since real EONs may provide only a few regular line rates, we comprehensively...
This paper gives the analysis of the feature of the medium voltage powerline communication in the view of reliability, investment and flexibility and the discussion of the necessity of routing automatically, compares the advantages and shortcomings of the bionic algorithms people research on a lot. It proposed an improved automatically dynamic routing algorithm for medium voltage powerline communication...
To tackle the drawback of Mesh Security Associations (MSA) launched by IEEE802.11s Working Group, this paper presents and elaborates an improvement, namely Proactive Security Protection Mechanism (PSPM), which simplifies key distribution through self-organized key management, while also ensuring routing security and channel security. Its effectiveness and efficiency are later explained and demonstrated...
Black and gray hole attack is one kind of routing disturbing attacks and can bring great damage to the network. As a result, an efficient algorithm to detect black and gray attack is important. This paper demonstrates an adaptive approach to detecting black and gray hole attacks in ad hoc network based on a cross layer design. In network layer, we proposed a path-based method to overhear the next...
Wireless Mesh Network (WMN) is an emerging technology that has developed a lot these years. WMN has the feather of self-organization, distributed structure. The main topological characteristic of WMN is that there are only one or several node connecting to the infrastructure network as gateway and all other nodes connect to the gateway through the relay of the neighboring nodes, and then connect with...
The traditional deterministic vehicle routing problem (VRP) is expanded to the situation that the VRP has fuzzy travel time features. After a simple description of the VRP with fuzzy traveling time, a mathematical model for the problem is built. Then, we put forward the concept of level effect function L(lambda), established a very practical and workable measurement method IL - which can quantify...
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