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Opportunistic routing protocol is proposed for broadcast and lossy characteristics existing in wireless multi-hop networks. Compared with traditional routing protocols, opportunistic routing protocol can bring higher data transmission abilities. Traditional opportunistic routing protocols have some problems, such as too large forwarding candidates set, too high protocol calculation expense and possible...
To meet the glowing security requirements and multicast demands of internet users, an identity-based secure source specific multicast protocol is proposed for the next generation IPv6 network. The presented cryptographically generated address is improved by making use of the benefit of the identity-based cryptography. So it can not only verify the validity of sender's IP address, but also verify the...
We present an evaluation of the fault-tolerance characteristics of several important data center network topologies, including Fat-tree, DCell, HyperBCube and BCube using several metrics, including average path length, aggregated bottleneck throughput and connection failure ratio. These enable us to present an objective comparison of the network topologies under faulty conditions.
Routing is an essential operation in wireless sensor networks. Most existing routing protocols are designed for homogeneous sensor networks. Recent studies show that a homogeneous sensor network has a poor fundamental performance limit. To achieve better performance, we adopt a Heterogeneous Sensor Network (HSN) model. In this paper, we present an efficient NEar-optiMal rOuting (NEMO) protocol for...
With the rapid progress of the whole computer technology, the wireless sensor networks gestated by the MEMS, wireless communication and low-consumption embedded technology construct the blueprint of the pervasive computing gradually for the people. This paper syncretizes the core thought of the context-aware technology and the WSN routing protocol with bringing forward the protocol CATRP adapting...
This paper analyzes the problems in the wireless network caused by using minimum hop count as its routing metric, and discusses ETX metric which invented by De Couto to solve these problems and the shortage of it in mobile environment, then modifies it by relatively counting as to make it suitable for such environment. This paper uses the new ETX as a metric for the OLSR routing protocol, and proves...
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