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Hybrid Wireless Mesh Networks (HWMNs) were proposed to address the challenges in wireless communications to support mobile applications across different domains. Due to the multi-hop and decentralized network architecture HWMNs are naturally susceptible to various security threats, especially internal attacks. Therefore HWMNs must be able to detect anomalies, provide secure routing and protect user...
Network coding has been proven as a very promising technique to improve wireless network throughput and energy-efficiency (EE). Meanwhile, cooperative caching, which allows the sharing and coordination of cached data among multiple nodes, can improve the performance of data access. In this paper, we aim at exploiting the potential benefits brought by cooperative caching for the multi-rate wireless...
P2P technology has been widely applied in many areas due to its excellent properties. Some botnets also shift towards the decentralized architectures, since they provide a better resiliency against detection and takedown efforts. Besides, modern P2P bots tend to run on compromised hosts in a stealthy way, which renders most existing approaches ineffective. In addition, few approaches address the problem...
One of the fundamentally required services in the grid environment is resource discovery. The discovery involves the search for appropriate resources that match user requirements. An efficient mechanism for this service still remains a crucial problem especially within a dynamic and scalable environment such as the grid. Majority of the proposed solutions based on centralized and hierarchical approaches...
Community detection is an important way to analyze and understand the real networks. In this paper, we not only define Local community modularity and Tightness between local communities for directed weighted networks, but also realize a distributed algorithm that detects overlapping local community in networks. The algorithm is divided into two parts, initial local community detection and similar...
MANET, which stands for Mobile Ad-hoc Network, is composed of a group of self-organized and wireless nodes that do not possess any predictable and fixed infrastructure. When nodes want to communicate with each other, they have to pass on their messages directly or indirectly. In case the destination node is out of the transmission range, the source node has to rely on intermediate nodes, which, in...
Jobs scheduling and load balancing functionalities are crucial for best Grid performance and utilization. In this paper, we present a dynamic and adaptive polyhedron topology-aware Grid load balancing method which we called Tun Grid. Its main objective is the extreme decentralization of the scheduling and the load balancing processes at the lowest processing and networking cost. It ensures load balancing...
60GHz communication is a promising technology for future multimedia applications in WPANs with its capability of supporting Giga-bit transmission in a short range. However, 60GHz signal degrades significantly through obstacles. Therefore, collaborative transmission is preferred to solve the link blocking problem. Furthermore, the utilization of directional antenna, which aims to offset the severe...
In recent years, the focus to optimize network transmission efficiency has evolved to adopt methods that let those intermediate data transferring nodes get involved with routing, forwarding and caching. In other words, the new network architecture designs become in favor of hop-to-hop model, instead of traditional TCP-like end-to-end model. Named data networking is a promising future internet data...
The rapid development of Peer-to-Peer (P2P) technology brings challenges to quality of service (QoS), network planning and access control. An accurate classification of P2P traffic is vital for addressing those challenges. Traditional port-based and payload-based methods fail to cope with emerging port disguise and payload encryption techniques. In this paper, we present Peer Sorter, a system for...
Proximity awareness, the ability to actively (or passively) and continuously search for relevant value in one's physical proximity, is at the core of mobile revolution that is changing the way we interact with people and things around us. Especially, Device-to-Device (D2D) (peer-to-peer (P2P)) solutions support infrastructure-free and self-organized proximity services, and have great commercial potential...
The past few years have witnessed an exponential growth in the volume of data on digital forensics leading to big data issues. Digital forensics data is complex and heterogeneous in that it can be structured, unstructured and semi-structured. Traditional relational database management systems (RDBMS) typically expose a query interface based on SQL (Structured Query Language). However, the RDBMS are...
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