A Low-Power 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
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Flash Tutorial 1 1. The toolbar 2. Open flash 3. Choose FILE NEW ActionScript 2.0 (To create a new movie) 4. Locate the tool bar on the right hand side(can be placed anywhere) Experiment with the many different drawing tools there. Have a go at making all different shapes. Use different colors. Try things. Have a go at drawing a yellow goldfish in blue water. (Something like this great picture I have drawn below
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Case Study | Alibaba Group “ 5 Application Delivery Networking solutions enabled us to build F globalized data centers that are secure‚ reliable‚ and fast.” Wang Zhilei‚ Operations Director‚ Alibaba B2B Overview Alibaba Builds a Secure‚ Reliable‚ and Fast Data Center Using F5 Application Delivery Networking Products Global e-commerce leader Alibaba Group is the largest e-commerce company in China. The company plans to expand its operations significantly‚ and needed to support several
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Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Google Docs‚ a cloud-based word processing program‚ is an example of a ________. 1) _______ A) cloud synchronization service B) cloud software service C) cloud data service D) None of the above 2) What did Claire learn about individual access points? 2) _______
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Climate Change and the Scientific Method Hands on Labs‚ Inc. Version 42-0045-00-01 Lab Report Assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing
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HL7 eLearning Course Module 2: Data Exchange Standards Learning Objectives: 1. The reader should understand how HL7 messages are transmitted in real time application interfaces. 2. The reader should understand what are Lower Level Protocol (LLP) when discussing the transmission of the HL7 Messages. 1 HL7 eLearning Course Data Exchange Standards • Lower Layer Protocol (LLP) is the most common mechanism for sending unencrypted HL7 message over a local area network‚ such as those found in
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2.SNA Measures Ones we have known about nodes in the network and links between them‚ then to analyze this network some SNA Measures are used. These measures are mathematical aggregation functions which calculates various aspects related to each node and also some of them can calculate some of the aspects with respect to the whole network . 2.1 Degree centrality[1] Degree centrality shows how much a node connected with other nodes. For a node if more the number of direct
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Innovation & creativity Much of 3M’s ethos for and cultivation of innovation and creativity can be attributed to multiple‚ mutually supporting “layers”: At layer 1‚ the primary concern is the 3M culture. The official vision statement is “to be the most innovative enterprise in the world”‚ and 3M’s basic definition is: “new ideas +action or implementation which results in an improvement‚ gain‚ or profit”. 3M has also coined the word “inventorpreneur” for those who invent and implement. The culture
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ECTE182 – Internet Technology 1 – Tutorial Questions – Network Layer Week 10 Tutorial Questions – Solutions Chapter 20 ed 4: Network Layer (Internet Protocol) Solutions – ECTE182 – Internet Technology 1 - Spring Session 2007/2012 Review Questions 1- What is the difference between the delivery of a frame in the data link layer and the delivery of a packet in the network layer? The delivery of a frame in the data link layer is node-to-node. The delivery of a packet at the network layer is host-to-host
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In this pack of IT 241 Entire Course you will find the next docs: IT 241 Appendix G.doc IT 241 Appendix I.doc IT 241 Week 1 Checkpoint.doc IT 241 Week 1 Wireless Networks Presentation PLEASE-ADD-OWN-IMAGES.pptx IT 241 Week 2 Checkpoint.doc IT 241 Week 2 DQ 1.doc IT 241 Week 2 DQ 2.doc IT 241 Week 3 Assignment.doc IT 241 Week 3 Checkpoint.doc IT 241 Week 4 DQ 1.doc IT 241 Week 4 DQ 2.doc IT 241 Week 5 Assignment.doc IT 241 Week 5 Checkpoint.doc IT 241 Week 6 DQ 1.doc IT 241 Week 6 DQ
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