Mate: A Tiny Virtual Machine for Sensor Networks

Báo cáo hóa học: " SeGrid: A Secure Grid Framework for Sensor Networks" docx

... [18]) Each grid has a grid head, an active sensor for message transmission and public share storage The grid head stores the public shares of all active nodes within its grid at designated locations ... the same grid is available, the grid head should wait until a sleeping sensor wakes up A similar procedure for grid head role transition has been proposed in [12] SEGRID: THE GRID- BASED FRAMEWORK ... stored at designated grids, and are available to other grids upon a request If (XA , YA ) and (XB , YB ) need secure communication, the grid head of (XA , YA ) computes and queries the nearest grid...

A priority based multi path routing protocol for sensor networks

... over multiple candidate paths, in a priority- based approach depending on the energy resource conditions of all candidate paths This load-balanced routing strategy renders a reliable data delivery ... Management Plane Power Management Plane Transport Layer Network Layer Data Link Layer Task Management Plane Application Layer Physical Layer Figure 2.1: The protocol stack adopted by sensor nodes ... shortest-delay path from itself to sources Finally, after path reinforcement is ﬁnished, data message will be sent back to sinks along this path Path exploration and path reinforcement will also be...

Tài liệu Security for Sensor Networks pdf

... constraints of sensor networks We have implemented our protocol, using SensorSim [11] and present our simulation results Section details related research in the area of security for sensor networks ... stating how sensor networks are a solution Section details our security protocol for sensor networks Section details our implementation and simulation results We state our plans for future work ... securing sensor networks Like their mobile ad-hoc counterparts sensor networks lack a ﬁxed infrastructure and the topology is dynamically deployed Addressing the security of mobile ad-hoc networks, ...

SPINS: Security Protocols for Sensor Networks docx

... freshness is useful for time synchronization within the network NOTATION REQUIREMENTS FOR SENSOR NETWORK SECURITY In this section, we formalize the security properties required by sensor networks, ... cryptographic primitives and the security protocols in the sensor networks ẳẳ SYSTEM ASSUMPTIONS Before we outline the security requirements and present our security infrastructure, we need to ... implementing a security subsystem for an extremely limited sensor network platform We have identied and implemented useful security protocols for sensor networks: authenticated and condential communication,...

SPINS: Security Protocols for Sensor Networks docx

... sensor nodes, sufﬁcient memory to store cryptographic keys, and means for communicating with outside networks SPINS: SECURITY PROTOCOLS FOR SENSOR NETWORKS We have an advantage with sensor networks, ... References We designed and built a security subsystem for an extremely limited sensor network platform We have identiﬁed and implemented useful security protocols for sensor networks: authenticated and ... Figure shows our key derivation procedure We use the SPINS: SECURITY PROTOCOLS FOR SENSOR NETWORKS 529 Table Code size breakdown (in bytes) for the security modules Version Total size MAC Encrypt...

The Design and Implementation of a Java Virtual Machine on a Cluster of Workstations pptx

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A Security Enforcement Kernel for OpenFlow Networks pptx

... which enables a legacy native C OF application to be instantiated as a separate process, and ideally operated from a separate nonprivileged account The proxy interface adds a digital signature ... alias sets are a → c set (a ⇒ a ) (a, a ) (c) a → c set (c ⇒ b) (a, a ) (c, b) a → b forward packet (a, a ) (c, b) forward packet Role-based Source Authentication (4) and the derived rule is FortNOX ... our alias-set rule reduction approach FortNOX rule conﬂict analysis imposes minimal additional latency over standard NOX, with an average overhead of less than ms for evaluating a candidate ﬂow...

Báo cáo hóa học: " Research Article A Feedback-Based Transmission for Wireless Networks with Energy and Secrecy Constraints" potx

... Communications and Networking B The PDF of the Random Variable A/ f ∗ Let f ∗ be a random variable that is equal to the maximum among K i.i.d exponential random variables with a parameter λ f If A ... source message against potential attacks The second approach uses more eﬃciently the available channel feedback and extracts the MUD gain by employing an adaptive PA scheme This adaptive PA adjusts ... Chapter 6] with an appropriate PA scheme under a target outage probability constraint The ﬁrst transmission approach employs a constant PA scheme and uses the MUD gain in order to save energy and...

Báo cáo hóa học: " An Optimal Medium Access Control with Partial Observations for Sensor Networks" docx

... Aloha and TCP, use this kind of information for the rate control Current proposals for medium access protocol in sensor networks make use of randomized controllers The study of performance and ... There exists a constant C such that for any π ∈ Π, there is an observation r for which π − F[π, g(π), r] ≥ , for all < ≤ C, and for any norm · Proof This basically means that for any state, there ... theory, steps and cannot This is because πk is a Markov chain deﬁned on an (uncountable) metric space, and therefore to analyze its properties, we need π(3) Optimal MAC with Partial Observations...

Báo cáo y học: " Variance in multiplex suspension array assays: A distribution generation machine for multiplex counts" ppsx

... assays ("bead arrays") Cytometry Part A 2006, 6 9A: 384-390 Hanley B: Variance in multiplex suspension array assays: carryover of microspheres between sample wells Journal of Negative Results in ... important However, intraplexing assays [3] can address the issue of counts per classifier variance and precision allowing multiplexed assays to work with relatively low values of n for each assay in ... BioMedicine 2007, 6(6): Hanley B: Variance in multiplex suspension array assays: intraplex method improves reliability Theor Biol Med Model 2007, 4():32 Hanley BP, Xing L, Cheng RH: Variance in multiplex...

Báo cáo toán học: " A virtual infrastructure based on honeycomb tessellation for data dissemination in multi-sink mobile wireless sensor networks" pot

... A virtual infrastructure based on honeycomb tessellation for data dissemination in multisink mobile wireless sensor networks Ay¸eg¨l T¨ys¨z Erman∗ , Arta Dilo and Paul Havinga s u u u Pervasive ... and challenges of using mobile sinks in WSNs Next, we introduce our virtual infrastructure based on honeycomb tessellation and the protocol based on it, hexagonal cell -based data dissemination (HexDD) ... the data towards the rendezvous area instead of storing it locally Thus, the virtual infrastructure enables data persistence against node failures Main disadvantage of using a virtual infrastructure...

A Survey on Network Security and Attack Defense Mechanism For Wireless Sensor Networks pdf

... Data Traditional sensor network wireless Attack Data Traditional sensor network wireless or Random Kay Predistribution Data and information spoofing, Attacks in information in Transit Traditional ... sensor network wireless REWARD Blackhole attacks Traditional sensor network wireless Tiny Sec Data and Information spoofing, Message Replay Attack Data and Information spoofing, Message Replay ... active attacks involve some modifications of the data steam or the creation of a false stream in a WSN  Mote-class versus laptop-class attacks: In moteclass (sensor- class) attacks, an adversary attacks...

báo cáo hóa học: "Usability of a virtual reality environment simulating an automated teller machine for assessing and training persons with acquired brain injury" pdf

... Cite this article as: Fong et al., Usability of a virtual reality environment simulating an automated teller machine for assessing and training persons with acquired brain injury Journal of NeuroEngineering ... collected and analyzed data for Part II KNKF, CKKY and WAKY drafted the manuscript All authors read and approved the final manuscript Acknowledgements Presented in part at the Hospital Authority ... same tasks - cash withdrawals and money transfers - with the VR-ATM or the real ATM in a rehabilitation hospital For the real ATM practice, the therapist issued the participant an ATM card, a...

Báo cáo hóa học: "IDEA1: A validated SystemC-based system-level design and simulation environment for wireless sensor networks" pot

... read the sensor data with kHz sample rate and send the data to the coordinator within a short latency At the early stage, some preliminary designs based on the existing hardware platforms and ... platforms 5.2 Simulation results For each algorithm, many cases with different configurations of parameters (e.g., payload, superframe length, macMaxCSMABackoffs, and macMaxFrameRetries) have ... Cite this article as: Du et al.: IDEA1: A validated SystemC-based systemlevel design and simulation environment for wireless sensor networks EURASIP Journal on Wireless Communications and Networking...

Báo cáo hóa học: " Modelling the guaranteed QoS for wireless sensor networks: a network calculus approach" ppt

... of the arrival self-similar traffic flow is a key in advance in the case Then, we can obtain the guaranteed QoS by regulating the average arrival rate r and the burst tolerance b of self-similar ... 3.3 Guaranteed QoS The guaranteed QoS provides the QoS guarantees which involve the stability of performance, the usability and reliability of calculation resources, as well as the rationality ... algebra and max-plus algebra applied to qualitative or quantitative analysis for networks in recent years, and it belongs to tropical algebra and topical algebra Network calculus can be classified...

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