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- Highly-Resilient, Energy-Efficient Multipath Routing in Wireless Sensor Networks
- Previously proposed sensor network data dissemination schemes require periodic low-rate flooding of data in order to allow recovery from failure. The paper considers constructing two kinds of multipaths to enable energy efficient recovery from failure of the shortest path between source and sink. Disjoint multipath has been studied in the...
- Tags: Recovery, Network, Wireless Sensor Network, Multipath, Wireless
- White papers 2008-01-01
- 802.11n, MIMO, and multipath environments
- In two previous posts-Multipath environments and how they affect Wi-Fi propagation and How to make the best of 802.11 multipath environments-I examined the somewhat nebulous topic of multipath fading and technologies that minimize the negative effects on Wi-Fi networks. Now I'm going to pull a 180 and talk about how...
- Tags: Environment, IEEE 802.11n, MIMO, Multipath, SISO, Michael Kassner
- Blog posts 2007-11-12
- Wi-Fi 101: Multipath environments and how they affect Wi-Fi propagation
- Ever wonder why moving your computer or changing the direction of your Wi-Fi antenna can make such a difference in signal strength? In this Wi-Fi 101 lesson, I explain how RF signals-especially Wi-Fi ones-react to real world conditions. RF terminology Before I jump into a discussion on multipath...
- Tags: Signal, Environment, Propagation, WLAN, Multipath, Anomaly, RF, Propagation Anomaly, Wireless LANs, LANs, Wi-Fi, Wireless, Networking, Michael Kassner
- Blog posts 2007-10-18
- Towards Internet-Wide Multipath Routing
- Today's Internet would be more efficient and robust if routers could flexibly divide traffic over multiple paths. Often, having just a few alternate paths is sufficient for customizing paths for different applications, improving security, reacting to failures and balancing load. Yet alternate paths are often unavailable, due to two barriers....
- Tags: Path, Multipath, Internet, Productivity
- White papers 2007-06-15
- Multipath Routing in MPLS Networks - A Survey
- The paper presents the problem of multipath routing supporting the Quality of Service QoS in MPLS networks. First, the paper briefly surveys the mechanisms used for setting up data transmission channels. The paper considers those algorithms applied in conventional IP networks which are also used by the MPLS technology. Then,...
- Tags: MPLS, Survey, Multipath, Network Technology, Networking
- White papers 2007-01-08
- Multipath Routing Based Secure Data Transmission in Ad Hoc Networks
- The specific characteristics of Mobile Ad Hoc NETworks MANETs make cooperation among all nodes and secure transmission important issues in its research. Misbehaving nodes with different intentions and capabilities would conduct various types of misbehavior in the networks. This paper presents and evaluates a scheme, in which multipath routing combined...
- Tags: Advertisement, Node, Multipath, Networking
- White papers 2006-08-31
- Analysis of MPLS Multipath Routing With the Failure and Repair of LSPs
- Efficient operation of multipath routing is considered as one of the important aspects in MPLS traffic engineering. Multipath routing has an advantage over the traffic routing based on single shortest paths because single path routing may lead to unbalanced traffic situations and degraded QoS Quality of Service. This paper proposes...
- Tags: MPLS, Analysis, Multipath, Network Technology, Networking
- White papers 2006-08-31
- Multipath for Linux
- Greetings,We are implementing a cluster solution with Linux RH Enterprise Edition 4 in a Proliant DL380 G4 and a MSA 500 Storage, with Service Guard for Linux and Multipath Software and everything is working well except the multipath funcionality, which should be able to view the disks at MSA trough...
- Tags: UNIX, Operating systems, Servers, Linux
- Q&A 2006-03-31
- Schedulable Regions and Equilibrium Cost for Multipath Flow Control: The Benefits of Coordination
- This paper considers deterministic differential equation models for the varying number of flows in a network. These arise naturally as limits of stochastic models under joint scaling of flow arrival rates and network capacities. This paper compares these dynamics under coordinated multipath routing and parallel, uncoordinated routing. The paper shows...
- Tags: Multipath, Benefits, Networking, Human Resources
- White papers 2006-02-24
- Combining Multipath Routing and Congestion Control for Robustness
- Flexible routing schemes mitigate some of the problems associated with uncertain traffic patterns and workloads by making the exact location of capacity less important: if there is available capacity the routing scheme will find it. This paper proposes a combined multipath routing and congestion control architecture that can provide performance...
- Tags: Traffic, Congestion, Multipath, Engineering, Performance Management, Human Resources, Workforce Management
- White papers 2006-02-24
- Joint PHY/MAC Based Link Adaptation for Wireless LANs With Multipath Fading
- Wireless local area networks offer a range of transmitted data rates that are to be selected according to estimated channel conditions. However, due to packet overheads and contention times introduced by the CSMA/CA multiple access protocol, effective throughput is much less than the nominal data rates. Most multimedia applications use...
- Tags: Throughput, Network, WLAN, Adaptation, Payload, Multipath, University Of California, LANs, Wireless LANs, Wi-Fi, Networking, Wireless
- White papers 2006-01-18
- Optimizations to Multipath Routing Protocols in Mobile Ad Hoc Networks
- Mobile Ad hoc Networks are typically characterized by high mobility and frequent link failures. As a result, routing algorithms selecting a single path during route creation have to make frequent route discoveries resulting in decreased throughput and high end-to-end delay. Multipath routing approaches like AOMDV make use of pre-computed routes...
- Tags: Mobile, Optimization, Mobility, Routing Protocol, Multipath, Advertising & Promotion, Marketing
- White papers 2005-12-12
- Multipath Routing in Wireless Mesh Networks
- This paper addresses multipath routing in a mobile wireless network. The paper reviews the premise that a routing protocol should prefer disjoint path construction and argue that using disjoint paths limits route reliability in mobile ad hoc networks compared to using multiple loop-free paths that need not be disjoint. In...
- Tags: Mobile, Network, Routing Protocol, Multipath, University Of California, Wireless, Mesh Networking, Advertising & Promotion, Networking, Marketing
- White papers 2005-09-16
- An Introduction to Multicarrier Modulation
- Multicarrier modulation helps to reduce the detrimental effects of multipath fading. Because of its robustness to multipath, and the ease of implementing it in transmitters and receivers using the Fast Fourier Transform FFT, the MCM concept is growing rapidly in practical importance. It can be found today in IEEE standards...
- Tags: Modulation, Multipath, University Of Toronto, WiMAX, Wireless LANs, Wireless
- White papers 2005-05-31
- Multipath Routing and Multiple Description Coding in Ad-Hoc Networks: A Simulation Study
- The nature of wireless multihop ad-hoc networks makes it a challenge to offer connections of an assured quality. In order to improve the performance of such networks, multipath routing in combination with Multiple Description Coding MDC has been proposed. By splitting up streams of multimedia traffic into several substreams (called...
- Tags: Network, Association For Computing Machinery, Multipath, Networking
- White papers 2004-10-07
- Dynamically Adaptive Multipath Routing Based on AODV
- Mobile ad hoc networks are typically characterized by high mobility and frequent link failures that result in low throughput and high end-to-end delay. To reduce the number of route discoveries due to such broken paths, multipath routing can be utilized so that alternate paths are available. Current approaches to multipath...
- Tags: Path, Multipath
- White papers
Additional Resources
- Wi-Fi 101: Multipath environments and how they affect Wi-Fi propagation
- Diversity dual antennas help multipath issuesDiversity dual antennas help multipath issues. 802.11n MIMO systems actually utilize multipath to its advantage.
- Tags: Wireless LANs, georgeou, environment, Wi-Fi
- Discussion threads 2007-10-18
- Multipath Live Streaming Via TCP: Performance and Benefits
- Recently, a number of studies have demonstrated that multipath streaming is a promising technique to overcome the challenges of multimedia streaming over the best-effort Internet. These studies all focus on UDP-based streaming. Motivated by the wide use of TCP for streaming in practice and the earlier results on single-path TCP...
- Tags: Performance, Benefit, TCP, Live Streaming, Tcp/Ip, Networking
- White papers 2006-08-10
- VFMAs, Virtual-Flow Multipath Algorithms for MPLS
- This paper deals with IP Traffic Engineering TE for multipath selection in MPLS networks. A centralized and a distributed routing algorithms are proposed, which aggregate IP flows entering the MPLS domain, and optimally partition them among virtual flows that are forwarded on multiple paths according to their Quality of Service...
- Tags: Algorithm, MPLS, Multipath Algorithm, Network Technology, Networking
- White papers 2006-02-12
- Improving Load Balancing With Multipath Routing
- Internet service providers have to provision network resources to optimize bandwidth utilization. Dynamic routing protocols take traffic variations into account to control the load distribution. Multipath routing protocols attempt to take advantage of the path diversity to bring network robustness and reliability. Indeed, with a specific traffic engineering policy, they...
- Tags: Network, Load Balancing, Routing Protocol, University Louis Pasteur, Network Technology, Networking
- White papers 2008-05-18
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