a survey of secure mobile ad hoc routing protocols

... Wireless Systems, Barcelona, Spain, May 2010. [20] I. Askoxylakis, K. Markantonakis, T. Tryfonas, J. May, and A. Traganitis, A face centered cubic key agreement mechanism for mobile ad hoc networks,” ... dedicated hardware (i.e., smart cards), would be a password authentication mecha- nism. A simple approach of a password-based authentication scheme could be the use of sufficiently large and randomly generated ... acting as a backbone network in the a ected area. Internetworking of both types of future networks will provide a broad range of mission critical applications. While offering many advantages, such as...

Ngày tải lên: 21/06/2014, 11:20

... Jabbehdari 2 , Mohammad Reza Ahmadi 3 , Seyyed Mohsen Hashemi 1 , Jamshid Bagherzadeh 4 and Ahmad Khadem-Zadeh 3 Abstract Certificate authorities (CAs) are the main components of PKI that enable us for ... 2011:112 http://jwcn.eurasipjournals.com/content/2011/1/112 Page 5 of 12 REVIEW Open Access A survey and taxonomy of distributed certificate authorities in mobile ad hoc networks Mohammad Masdari 1* , Sam Jabbehdari 2 , Mohammad ... Sen, MG Chandra, P Balamuralidhar, SG Harihara, H Reddy, A scheme of certificate authority for ad hoc networks, in 18th International Workshop on Database and Expert Systems Applications , 615–619...

Ngày tải lên: 20/06/2014, 22:20

... is that more agents aregeneratedtofindaroutetoreliablenodes.ABMRS assumes the availability of an agent platform at all mobile nodes. However, in the case of agent platform unavailability, traditional ... this introduces additional overhead. Overlay multicasting can improve routing efficiency by exploiting the broadcast nature of ad hoc networks. For instance, a one broadcast packet can be received simultaneously ... based Shared tree based Mesh based Stateless Hybrid Soft state Hard state Routing scheme Initialization approach Multicast topology Maintenance approach Tree based Application layer Proactive MAC...

Ngày tải lên: 21/06/2014, 22:20

... ADSN: ACK duplication sequence number; ACKs: acknowledgements; AODV: ad hoc on-demand distance vector; ATCP: ad hoc TCP; ADV: adaptive distance vector; APS: adaptive packet size; APS-FeW: adaptive ... 7, which adds an extra data packet (DATA2) to the norma l exchange procedure of RTS/CTS/DATA/ACK, where DATA2 is a packet mov- ing in the opposite direction to that of packet DATA1. In addition, ... TCP detection of out -of- order and response; TCP-DAA: TCP dynamic adaptive ACK; TCP-DAA: TCP dynamic adaptive acknowledgement; TPSN: TCP packet sequence number; TCP-ADA: TCP with adaptive delayed acknowledgement; TCP-AP:...

Ngày tải lên: 21/06/2014, 00:20

... performance of PUMA. Frequent rate of core changes, in addition to leading to overload of control message, would also lead to a dramatic rise in number of packet drops. Because the mesh would always ... expect its parent to continue forward the packet. Because all of the communication is broadcast, the node, which first broadcast a data packet, also receives the data packet when it is forwarded ... communications, we are immediately faced with two problems are much more complicated in the case of unicast - how to determine the recipient of a multicast datagram and how to address a datagram...

Ngày tải lên: 23/11/2012, 15:03

... c and b denote the estimated credit balance and the number of messages allowed to be transmitted by the remaining battery of a node, respectively. Assume that each message takes an average of ... Buttyan and J. P. Hubaux, “Enforcing service availability in mobile ad- hoc WANs,” in IEEE/ACM Workshop on Mobile Ad Hoc Networking and Computing (MobiHOC), Boston, MA, August 2000. [Online]. Available: ... evaluations and simulations of our system. Evaluations of a prototype implementation show that the overhead of our system is small. Simulations show that the nodes will cooperate and forward each...

Ngày tải lên: 15/03/2014, 04:20

... that each manager received for each of the seven factors was calcu- lated from the mean of the summed items for that varia- ble. This allows one to treat the data as interval data measuring a latent ... subscales are presented in Table 3 below. The Cronbach's alphas for all the scales are at an acceptable level of reliability, averaging 0.845. As a group, hospital managers in South Africa ... parametric analysis of variance (ANOVA) for responses that were summed to create a factor. All analyses were conducted at a 95% level of certainty and allowing for a margin of error of 5%. Results Questionnaires...

Ngày tải lên: 18/06/2014, 17:20

... acceptance of research papers by peer review. JAMA 1994, 272:143-6. 30. Jadad AR, Moore A, Carroll D, Jenkinson C, Reynolds DJM, Gavaghan DJ, McQuay HJ: Assessing the quality of reports of randomised ... cited as a reason to reject a manuscript and deserves further study. Additional material Additional file 1: Survey Questionnaire. The data provided represents the survey questionnaire Author details 1 Department ... equally 1 Department of Trauma & Orthopaedics, St George’s Hospital, Tooting, UK Full list of author information is available at the end of the article Hing et al. Journal of Orthopaedic Surgery and Research...

Ngày tải lên: 20/06/2014, 04:20

... cited as a reason to reject a manuscript and deserves further study. Additional material Additional file 1: Survey Questionnaire. The data provided represents the survey questionnaire Author details 1 Department ... acceptance of research papers by peer review. JAMA 1994, 272:143-6. 30. Jadad AR, Moore A, Carroll D, Jenkinson C, Reynolds DJM, Gavaghan DJ, McQuay HJ: Assessing the quality of reports of randomised ... equally 1 Department of Trauma & Orthopaedics, St George’s Hospital, Tooting, UK Full list of author information is available at the end of the article Hing et al. Journal of Orthopaedic Surgery and Research...

Ngày tải lên: 20/06/2014, 07:20

... (Programa Nacional DST/AIDS Brazilian MoH); Carlos Brites (Salvador, BA); Gisele Preusler, Ingrid Krilow, Maria da Gloria Correa, Sabrina Gilli, Lidia T Boul- losa, Orlando C Ferreira Jr, Helena ... mbarruda@biologia.ufrj.br; Olinda Macedo - olindamacedo@iec.pa.gov.br; Mariangela BG Simão - mariangela.simao@aids.gov.br; Amilcar Tanuri* - atanuri@biologia.ufrj.br * Corresponding author Abstract Use ... (Sao Paulo, Rio de Janeiro, Salvador, Porto Alegre, Brasilia and Belem), accounting for more than 70% of the Brazilian HIV/AIDS epidemic and the majority of patients under antiretroviral treat- ment....

Ngày tải lên: 20/06/2014, 08:20

... jmd@decsai.ugr.es 1 Departamento de Ciencias de la Computación e I .A. , Universidad de Granada, 18071, Granada, Spain Full list of author information is available at the end of the article Amro et al. ... spatial quality assessment. Pradhan et al.[97] suggested the use of structural information in SSIM measure between panchromatic and pansharpened images as a spatial quality measure. Lillo-Saavedra ... (CSD2007- 00018). Author details 1 Departamento de Ciencias de la Computación e I .A. , Universidad de Granada, 18071, Granada, Spain 2 Al-Quds Open University, West Bank, Palestine 3 Departamento de Lenguajes...

Ngày tải lên: 20/06/2014, 22:20

... system by a set of variables V and a library of elementary actions A containing su spicious and legit- imate actions. A system state s ∈ S is a valuation of all variables in V .Itcanbewrittenass =(v 1 [ ... Computer Security Applications Conference, (Las Vegas, Nevada, USA, December 2003) 4. Pavel Gladyshev, Finite State Machine Analysis of a Blackmail Investigation. International Journal of Digital Evidence. ... telecommunications, information, and multimedia (2008) 7. Ali Reza Arasteha, Mourad Debbabi, Assaad Sakhaa, Mohamed Saleh, Analyzing multiple logs for forensic evidence. Digital Investigation. 4(1), 82–91...

Ngày tải lên: 21/06/2014, 02:20

... 2002. [8] W. Zhao, M. Ammar, and E. Zegura, A message ferrying approach for data delivery in sparse mobile Ad Hoc networks,” in Proceedings of the 5th ACM International Symposium on Mobile Ad Hoc Networking ... framework. The DTN gateway has a fixed location within the geographical area, with communication functions and capa- bilities similar to those of an ordinary mobile node, that is, the gateway ... space, message loss mainly occurs as a result of the message expiry before a contact between a carrier and the message destination takes place. In a regular network, the end-to-end message delay can...

Ngày tải lên: 21/06/2014, 11:20

... doi:10.1186/2110-5820-2-4 Ari R Joffe (ari.joffe@albertahealthservices.ca) Natalie R Anton (natalie.anton@albertahealthservices.ca) Jonathan P Duff (jon.duff@albertahealthservices.ca) Allan R deCaen (allan.decaen@albertahealthservices.ca) ISSN ... of Alberta, Edmonton, Alberta, Canada 2 The John Dossetor Health Ethics Center, University of Alberta, Edmonton, Alberta, Canada *Corresponding author Email addresses: ARJ: ari.joffe@albertahealthservices.ca ... ari.joffe@albertahealthservices.ca NRA: Natalie.anton@albertahealthservices.ca JPD: Jon.duff@albertahealthservices.ca AdC: allan.decaen@albertahealthservices.ca 7 The next two questions asked about...

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