CoAP for Contiki Matthias Kovatsch‚ Simon Duquennoy‚ and Adam Dunkels kovatsch@inf.ethz.ch simonduq@sics.se adam@sics.se Monday‚ 17 Oct 2011 Internet of Things Protocol Stack Layer Application Transport Network Adaption MAC Radio Duty Cycling Physical Matthias Kovatsch – ETH Zürich Protocol CoAP / REST Engine (Erbium) UDP IPv6 / RPL 6LoWPAN CSMA / link-layer bursts ContikiMAC IEEE 802.15.4 A Low-Power CoAP for Contiki 2 ContikiMAC Radio on D Data frame A ACK frame Sender
Premium OSI model
The English Lake District The Lake District used to be regarded as a remote region in north-west England but modern transport developments mean that it is easily accessible from the main centres of population. * About 12 million people visit the Lake District every year making it the second busiest of the national parks. * 90% of visitors come by car. * The main attraction is the scenery and landscape. Other attractions are the clean air‚ peace and quiet and good walking. * 10 million
Premium Lake District Cumbria
Intraspecific competition occurs between members of the same species and is a very important factor that is limiting the population size of many species (McGinley‚ 2008). Brassica rapa plants are model organisms to study because of their rapid-cycling‚ small genome sizes and short life cycles. Brassica rapa also known as “fast plants”‚ because they can grow into adults in the span of seven weeks‚ is an ideal species to study competition (Miller‚ 1995). These Brassica rapa plants will compete for
Premium Plant Species Life
our bodies active.I don’t think that by controlling our diet‚ we can burn our fat and calories in our body.Most people take their best way to stay healthy is exercise not by controlling diet. Exercise which are less vigorous include brisk waking‚cycling ‚swimming‚gardening ‚and climbing stairs. In conclusion‚people who do exercise are healthier.However‚people who have not exercising regularly should consult a doctor before they start playing games or engaging in an exercise
Free Exercise Nutrition Weight loss
three hundred fifty nine for baseball‚ two hundred eighty for basketball‚ one hundred eight for soccer‚ one hundred two for wrestling‚ one hundred one for gymnastics and nine hundred seven for bicycling. This is interesting because I didn’t think cycling caused
Premium Concussion Injury High school
Environmental Analysis for Car2Go I. Introduction This project has been conducted to do an environmental analysis to the company called Car2go and its membership/sign-up product in Vancouver. The analysis has been done using all the external forces that involves collecting facts about the company through primary and secondary research. The external forces has been divided into 6 categories namely Demographic‚ Socio-Cultural‚ Competitive‚ Technological‚ Economic‚ and Regulatory
Premium Electric vehicle Automobile Sustainable transport
COMPREHENSIVE ENGLISH The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION COMPREHENSIVE EXAMINATION IN ENGLISH Tuesday‚ January 11‚ 2011 — 9:15 a.m. to 12:15 p.m.‚ only Check to make sure that the answer sheet that has been given to you has your name and student ID entered on it. If the information has not been pre-entered‚ you must do so now. You must also fill in the heading on each page of your essay booklet that has a space for it. The examination has four parts
Premium Madrid Metro
device‚ turn it off. For example‚ if we dont watch television‚ turn it off. Turn off the light when we leave a room‚ even if we intend to return. It is an easy habit to take up which will save a lot of money. Thirdly‚ go to anywhere by walking or cycling. For our information‚ driving is one of the biggest causes of pollution. Walk or use bike if the journey is a short one. Everyday we drive a car to getting to work‚ eat and so on had contributed to air pollution. At least with this action would be
Premium Automobile Environmentalism Pollution
Chapter 6 Review Questions 1. Coral reefs are elaborate networks of crevices‚ ledges‚ and holes made up of calcium carbonate; coral polyps are tiny animals that build coral reefs by secreting a crust of limestone around their bodies that accumulate once multiple polyps die. Coral reefs help moderate atmospheric temperatures by removing CO2 from the atmosphere‚ act as natural barriers that help protect 15% of the world’s coastlines from erosion by battering waves and storms‚ provide habitats for
Premium Water Aquatic ecology Ocean
Some people wonder “do mobile phones do more harm than good for young people.” People have a valid point in both views‚ it both helps and aids young people’s lives but also can aggravate their lives as well. Many people disagree over this and some people think it just brilliant but other people think the phones should be completely banned and thrown down the drain. The purpose of this essay is to look at both views‚ the benefits and problems to young people’s lives. Many people argue that mobile
Premium Mobile phone Rotary dial Text messaging