scholarly journals Association of Volunteer Communication Mobilizers’ Polio-Related Knowledge and Job-Related Characteristics With Health Message Delivery Performance in Kano District of Nigeria

2015 ◽  
Vol 1 (1) ◽  
pp. 48-57 ◽  
Author(s):  
Rabia Sadat ◽  
Abu Mohd Naser
Keyword(s):  
Message Delivery ◽  
Health Message ◽  
Delivery Performance

Implementasi Enkripsi dan Otentikasi Transmisi Data ZeroMQ Menggunakan Advanced Encryption Standard

2020 ◽  
Vol 4 (6) ◽  
Author(s):  
I Made Sukarsa ◽  
I Made Rama Pradana ◽  
Putu Wira Buana
Keyword(s):  
Direct Observation ◽  
Advanced Encryption Standard ◽  
Message Delivery ◽  
Normal Delivery ◽  
Delivery Performance ◽  
Data Message ◽  
Encryption And Authentication ◽  
Block Chaining

Communication via sockets is used to transmit information between applications or between processes over network or locally. ZeroMQ is a library for sending messages using sockets that are quite well known. Talking about sending data, message security is an important part that needs to be taken into account, especially when sending data over a network. ZeroMQ sends messages openly without securing the messages sent. This is evidenced by research which states that ZeroMQ does not have a security layer for sending messages over the network and direct observation of message packets using the wireshark application. Therefore, this study creates a method of securing and authenticating message delivery using AES (Advanced Encryption Standard) CBC (Cipher Block Chaining) mode combined with an authentication method. The AES CBC mode was chosen because it is faster than other methods and has strong encryption. This encryption and authentication are used so that the sender and recipient of the message are both valid senders and recipients so that no message changes during message delivery and messages can only be opened by the message recipient and the sender of the message. Tests are conducted to measure the effect of encryption and authentication on message delivery performance. Based on the tests conducted, there is an increase of 7% from normal delivery speed and the potential for messages is not up to 0.3% - 1.5%.

scholarly journals Effects of self-transcendence on neural responses to persuasive messages and health behavior change

2018 ◽  
Vol 115 (40) ◽  
pp. 9974-9979 ◽  
Author(s):  
Yoona Kang ◽  
Nicole Cooper ◽  
Prateekshit Pandey ◽  
Christin Scholz ◽  
Matthew Brook O’Donnell ◽  
...  
Keyword(s):  
Prefrontal Cortex ◽  
Behavior Change ◽  
Neural Model ◽  
Well Being ◽  
Health Behavior Change ◽  
Reward Processing ◽  
Ventromedial Prefrontal Cortex ◽  
Message Delivery ◽  
Health Message ◽  
Self Transcendence

Self-transcendence refers to a shift in mindset from focusing on self-interests to the well-being of others. We offer an integrative neural model of self-transcendence in the context of persuasive messaging by examining the mechanisms of self-transcendence in promoting receptivity to health messages and behavior change. Specifically, we posited that focusing on values and activities that transcend the self can allow people to see that their self-worth is not tied to a specific behavior in question, and in turn become more receptive to subsequent, otherwise threatening health information. To test whether inducing self-transcendent mindsets before message delivery would help overcome defensiveness and increase receptivity, we used two priming tasks, affirmation and compassion, to elicit a transcendent mindset among 220 sedentary adults. As preregistered, those who completed a self-transcendence task before health message exposure, compared with controls, showed greater increases in objectively logged levels of physical activity throughout the following month. In the brain, self-transcendence tasks up-regulated activity in a region of the ventromedial prefrontal cortex, chosen for its role in positive valuation and reward processing. During subsequent health message exposure, self-transcendence priming was associated with increased activity in subregions of the ventromedial prefrontal cortex, implicated in self-related processing and positive valuation, which predicted later decreases in sedentary behavior. The present findings suggest that having a positive self-transcendent mindset can increase behavior change, in part by increasing neural receptivity to health messaging.

Intelligent Authentication and Message Forwarding in VANET

2020 ◽  
Vol 3 (1) ◽  
pp. 1-20
Author(s):  
Sachin Pandurang Godse ◽  
Parikshit N. Mahalle
Keyword(s):  
Ad Hoc ◽  
Security Model ◽  
Message Authentication ◽  
Message Delivery ◽  
Vehicle Communication ◽  
Delivery Performance ◽  
Vehicle Ad Hoc Networks ◽  
Vanet Security ◽  
Hoc Networks ◽  
Result Analysis

Vehicle ad hoc networks face the challenging issue of vehicle communication and its security. So, these issues become key research topics for global VANET researchers. Researcher's current solutions mostly focus on either of the problems but currently they are now heading towards finding satisfactory solutions for both of the above-mentioned problems. VANET networks should be robust and strongly dependent on their communication rapidness, message authentication, priority messaging, and security. Here, the authors discuss four VANET issues: authentication delays, fake messages, priority-based messaging, and VANET security, with respective solutions. This article presents an enhanced ECC-based algorithm to minimize authentication delays and provide secure VANET. Result analysis shows that the algorithm is effective in reducing the authentication delays and improves communication rapidness, improves the security model operation to detect Sybil and reply attack, and promotes intelligent message forwarding to block fake messages and increases message delivery performance.

scholarly journals A Message Transfer Framework for Enhanced Reliability in Delay-Tolerant Networks

2015 ◽  
Vol 7 (3) ◽  
pp. 52
Author(s):  
Farzana Yasmeen ◽  
Uyen Trang Nguyen ◽  
Nurul Huda ◽  
Shigeki Yamada ◽  
Cristian Borcea
Keyword(s):  
Network Performance ◽  
Performance Metrics ◽  
Delay Tolerant Networks ◽  
Delivery Ratio ◽  
Message Delivery ◽  
Delivery Performance ◽  
End To End Delay ◽  
End To End ◽  
Deadline Constraints ◽  
Delay Tolerant

Delay-tolerant networks (DTNs) can tolerate disruption on end-to-end paths by taking advantage of temporal links emerging between nodes as nodes move in the network. Intermediate nodes store messages before forwarding opportunities become available. A series of encounters (i.e., coming within mutual transmission range) among different nodes will eventually deliver the message to the desired destination. The message delivery performance in a DTN (such as delivery ratio and end-to-end delay) highly depends on the time elapsed between encounters and the time two nodes remain in each others communication range once a contact is established. As messages are forwarded opportunistically among nodes, it is important to have sufficient contact opportunities in the network for faster, more reliable delivery of messages. We propose a simple yet efficient method for improving the performance of a DTN by increasing the contact duration of encountered nodes (i.e., mobile devices). Our proposed sticky transfer framework and protocol enable nodes in DTNs to collect neighbors’ information, evaluate their movement patterns and amounts of data to transfer in order to make decisions of whether to “stick” with a neighbor to complete the necessary data transfers. The sticky transfer framework can be combined with any DTN routing protocol to improve its performance. We evaluate ourframework through simulations and measure several network performance metrics. Simulation results show that the proposed framework can improve the message delivery ratio, end-to-end delay, overhead ratio, buffer occupancy, number of disrupted message transmissions and so on. It can be well adopted for challenged scenarios where larger messages sizes need to be delivered with application deadline constraints. Furthermore, performance of the DTN improved (upto 43%) at higher node densities and (up to 49%) under increased mobility conditions.

scholarly journals Improving Message Delivery Performance in Opportunistic Networks Using a Forced-Stop Diffusion Scheme

2016 ◽  
pp. 156-168 ◽  
Author(s):  
Jorge Herrera-Tapia ◽  
Enrique Hernández-Orallo ◽  
Andrés Tomas ◽  
Pietro Manzoni ◽  
Carlos T. Calafate ◽  
...  
Keyword(s):  
Opportunistic Networks ◽  
Message Delivery ◽  
Delivery Performance ◽  
Diffusion Scheme

Implementation of Nutrition Education and Rehabilitation Programs (NERPs) in Viet Nam

2002 ◽  
Vol 23 (4_suppl2) ◽  
pp. 75-82 ◽  
Author(s):  
Vanessa C. Dickey ◽  
Helena Pachón ◽  
David R. Marsh ◽  
Tran Thi Lang ◽  
David R. Claussenius ◽  
...  
Keyword(s):  
Active Learning ◽  
Nutrition Education ◽  
Home Delivery ◽  
Rehabilitation Program ◽  
Viet Nam ◽  
Message Delivery ◽  
Health Message ◽  
Rehabilitation Programs ◽  
Field Workers ◽  
Population Dispersion

Rigorous assessments of program quality are uncommon in developing countries. We evaluated the quality of the two-week, volunteer-facilitated, caregiver-child rehabilitation “hearth,” or nutrition education and rehabilitation program (NERP), sessions in Save the Children's integrated nutrition program in Viet Nam. Field workers observed attendance, food contribution, food preparation, meal consumption, health message delivery, hygiene, and weighing at 240 NERP days at 59 NERP centers during seven months of implementation. Participation in cooking NERP meals (75.8%), washing mothers' and children's hands (75.7% and 81.6%, respectively), and weighing (74.5% on days 1 and 12) were high, but attendance rates (50.3%), food contributions (20.3%), and health message delivery (20.0%) were lower than expected, all with wide variation among communes, ecology, NERP day, and NERP round. Contrary to protocol, food was often delivered to malnourished children who stayed at home to accommodate caregivers' workloads and other constraints. While home-delivery of food prevented caregivers from learning from each other in a group, it did bring “tangible messages” (i.e., a large serving size of a new food) to the doorstep. Health volunteers were wise to stress active learning over repetitive message delivery. In summary, these NERPs were probably typical of previous NERPs although comparable quality measures are lacking. Despite imperfect implementation, the NERP's active-learning and local problem-solving helped achieve measurable impact on growth, diet, morbidity, and empowerment despite uncommon program challenges, such as uncharacteristically low baseline levels of malnutrition and high population dispersion. Regular quality monitoring may enhance impact even further.

Sign in / Sign up

Export Citation Format

Share Document