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In this paper, we describe an improved model Kad-D based on Kademlia[1]. The networks based on Kademlia are not stabilized at all times, for all kinds of nodes in the networks connected to the networks can be cut out of networks frequently. And in mobile environments that are made of intermittent connections and unsettled networks bandwidths, the Kademlia has good performance but the hops, delay and...
Multipath Transport Protocols like Stream Control Transmission Protocol (SCTP) and Multipath TCP (MPTCP) support concurrent usage of multiple paths between the end users. In this paper we investigate the flow division at the source among multiple paths as an optimization problem. We also introduce link-by-link error recovery scheme and compare the system performance when the traditional end-to-end...
New Multi-Homed Transport Protocols like Stream Control Transmission Protocol (SCTP) have the potential to be modified for supporting concurrent multi-path multi-homed connections between the end users. This kind of usage will require optimized flow division among the candidate paths in order to utilize the network resources efficiently. This paper considers the problem of optimizing flow division...
The increasing ubiquity of mobile embedded systems has been matched by the evolution of a variety of wireless network standards and technologies. The major constraints of wireless embedded systems are limitations of communication bandwidth, processing capabilities, and battery power. Remote wireless embedded systems often act as sensors, which provide data to a certain community. The exchange of data...
The ever changing demands on computational resources has information systems managers looking for solutions that are more flexible. Using a ldquobigger boxrdquo that has more and faster processors and permanent storage or more random access memory (RAM) is not a viable solution as the system usage patterns vary. In order for a system to handle the peak load adequately, it will go underutilized much...
This paper explores the attributes, layering models and objective functions in cross layer designs for mobile ad hoc wireless networks by taking all the statistical characteristics and constraints from the physical (PHY) layer, media access control (MAC) layer and network (NET) layer into consideration. This paper reviews the entire network optimization across all the PHY/MAC/NET layers. At the PHY...
This paper describes a new path computation model in Multi-protocol Label Switching (MPLS) and Generalized MPLS (GMPLS) networks. It introduces a path computation element (PCE), which is functionally separate from label switching routers (LSRs). The Path Computation Element (PCE) is an entity that is capable of computing a network path or route based on a network graph, and applying computational...
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