Ppt on communication and networking concepts

Experience with Using the UMLS Semantic Network to Coordinate Controlled Terminologies for a Large Clinical Data Repository James J. Cimino Department.

Specimen Event Laboratory Test Diagnostic Procedure Substance Measured Glucose Plasma Anatomic Substance Bioactive Substance Chemical Carbo- hydrate Communicating Terminology Changes K#1 K#2 K#3 K#3 = 2.6 K#1 = 4.2/[T051] ICD9 Element Verification Concept for Generic Column 10048 cases. 207 Intersection Classes Revisiting Recommendations - General Make “Event” a temporal concept Conceptual vs. Physical polarization Directed Acyclic Graph Merge Network and Metathesaurus Revisiting Recommendations - Specific /


IIIT Hyderabad A Framework for Community Detection from Social Media Chandrashekar V Centre for Visual Information Technology IIIT-Hyderabad Advisers:

from raw social media data.  Introduced an algorithm for identifying large and loose communities discovered by any community detection method & partition them into compact and meaningful communities.  Proposed a novel knowledge-based approach for image annotation that exploits semantic label concepts, derived based on collective knowledge embedded in label co-occurrence based consistency network. IIIT Hyderabad Related Publications  Logical Itemset Mining, Workshop Proceedings of ICDM 2012.  Compacting/


1 MP2: P2P File Server Hoang Nguyen. 2 Outline Basic network concepts revisited –Client/Server, Peer-to-peer –IP address, TCP/UDP Basic network programming.

..1023: well-known ports, requiring admin right to bind –1024..49151: registered ports (for propriety apps) –The rest: dynamic/private ports 6 Basic network concepts (3) What is a Protocol? –A convention standard that controls or enables the connection, communication and data transfer between two parties. Example: –“Protocol” to apply to UIUC –“Admission protocol” In our MP, we will have to define our own/


Skills: none Concepts: layered protocols, the internet layer, IP protocol, router, dumb (“end-to-end,” “neutral”) networks This work is licensed under.

internet layer Where does this topic fit? Internet concepts – Applications – Technology (communication) – Implications Internet skills – Application development – Content creation – User skills TCP/IP from the outside Application Program, for example, a Web client Application Program, for Example, a Web server A TCP/IP network The internet layer LayerFunction ApplicationDo useful work like Web browsing, email, and file transfer TransportTransport data between application programs running/


Some concepts from Cognitive Psychology to review: Shadowing Visual Search Cue-target Paradigm Hint: you’ll find these in Chapter 12.

Network Complexity Problem What would be the consequence if attention did not select cell assemblies? Neural Gridlock? Maybe not the right concept. Attention Solves a Network /and suppress others? “Neuronal communication through neuronal coherence” - Pascal Fries, TINS (2005) Attention Solves a Network Complexity Problem Individual oscillators coupled to a central oscillator Attention Solves a Network Complexity Problem Role of the “central oscillator” has been called the “dominant networkCommunication/


IGF: A robust state-free communication protocol for sensor networks B.M. Blum, T. He, S. Son, J.A. Stankovic UVa Tech Report 2003.

robust state-free communication protocol for sensor networks B.M. Blum, T. He, S. Son, J.A. Stankovic UVa Tech Report 2003 Implicit Geographic Forwarding Tackle the rapid dynamics found in WSNs To deal with –Power Down Nodes (Sleep mode) –Node Mobility –Node Failure –Scale Lazy Binding (to the nth degree) State Free – no routing tables Lazy Binding Concept Defer mapping network topologies into/


Data Center Basics (ENCS 691K – Chapter 5)

Data Center Basics (ENCS 691K – Chapter 5) Roch Glitho, PhD Associate Professor and Canada Research Chair My URL - http://users.encs.concordia.ca/~glitho/ References MD. Bari et al., Data Center Networking Virtualization: A Survey, IEEE Communications Surveys & Tutorials, Vol.15, No2, Second Quarter 2013 Data Center Networking - Basics Basic Concepts Data Center Topology Data Center Virtualization Basic Concepts Data Center Consists of: Servers (Physical machines) Storage/


Basic Principles of Networking Basic Computer Concepts

be transferred information sent over a channel has source (often called the transmitter), from which the information originates, and destination (often called the receiver), to which the information is delivered Computer Interconnections * Property of STI Page 3 of 12 Basic Computer Concepts Basic Principles of Networking Communication Channels Ø simplex channel - is a channel whose direction of transmission is unchanging half-duplex channel - is a/


Social Networking Tools Jill Hurst-Wahl Hurst Associates, Ltd. Copyright © 2007, Hurst Associates, Ltd. All rights reserved. www.hurstassociates.com/ppt/nyla2007.ppt.

, Ltd. All rights reserved. www.hurstassociates.com/ppt/nyla2007.ppt Need to understand the concepts behind social networking tools as well as understand what specific tools can provide. Hurst Associates, Ltd. Agenda:/communicate with your patrons? How do your patrons normally communicate with you? What are the barriers? How many patrons can you talk to at once? Hurst Associates, Ltd. Social Networking Tools Internet applications to connect, share, and collaborate. Content-centric Overlapping networks/


NTUA – NATIONAL TECHNICAL UNIVERSITY OF ATHENS WWW.FP7-FEDERICA.EU Next Generation Network Innovations in Europe: The NREN - GÉANT Perspective & FEDERICA.

(+ 40 years ARPAnet - Internet) experience: Proven strong “Network Externalities”  Sharing tradition Industry needs for Next Generation Network proofs of concept, synergy with R&E community: The ARPAnet paradigm @ the US of America, inspiring the/DWDM footprint) + Global IPv4 – IPv6 coverage and Hybrid networking services + Multi-domain Network management, resiliency & support e-Science Virtual Organizations obtain production quality hybrid networking, beyond leasing individual circuits, wave-lengths or /


PREAMBLE OF WIRELESS COMMUNICATION. INDEX PREAMBLE STRUCTURE HOLLISTIC FIX KEY CONCEPT KEY RESEARCH AREA KEY APPLICATION INDUSTRIAL APPLICATION RESEARCH.

Technologies Mobile computing Aerospace Satellite communication Wireless Networking Radar & Navigation 8 HOLLISTIC FIX OF WC………CONTINUED Schematic Diagram of WC 9 KEY CONCEPTS RELATED TO WC FREQUENCY BAND IN COMMUNICATION FREQUENCY BAND IN COMMUNICATION 11 CONCEPT OF GLOBAL SYSTEM FOR MOBILE 12 CONCEPT OF CELL 13 PROPAGATION 14 DIVERSITY TECHNIQUES SCANNING DIVERSITYSPACE DIVERSITY 15 SPEECH CODING The cavities of the throat and mouth act as a resonance filter/


Operating Systems Concepts 1/e Ruth Watson Chapter 7 Chapter 7 Introduction to Networks Ruth Watson.

checks to see if the data is for them Fewer collisions Operating Systems Concepts 1/e Ruth Watson Chapter 7 20 Protocols Protocols are agreed upon rules that networked devices use to communicate Different organizations came up with different protocols  TCP/IP resolved issues and enabled all computer platforms to communicate Operating Systems Concepts 1/e Ruth Watson Chapter 7 21 LAN Components LAN components include/


NETWORK TOPOLOGIES HNC COMPUTING - Network Concepts 1 Network Concepts Topologies.

advantages and disadvantages of different network topologies Draw a network topology in Visio What is a network topology HNC COMPUTING - Network Concepts 3 In computer terms, topology means the structure or layout of the communications network…logical Each workstation on a network is known as a node. What is a network topology HNC COMPUTING - Network Concepts 4 Types of Networks  ring, star, bus, mesh  Combined Ring Networks HNC COMPUTING - Network Concepts 5 Ring Networks HNC COMPUTING - Network Concepts/


Get Best practices Lessons learned Case studies Tactics – the manual for how to be a product manager Product rollout, communications, marketing Building.

manual for how to be a product manager Product rollout, communications, marketing Building great teams How PM is done at different companies Networking Understanding branding Career paths Continuing education – formal (MBA) and informal (trade shows, knowing industry better) Give Usability /the land – working with teams How close is PM to brand management? How do you test if a product concept will work? Resources for product management, learning, continuing education Give For non-PMs: What is it like to/


1 PART I A Brief History PART II Cellular Concepts PART III GSM- Radio Interface CELLULAR MOBILE RADIO.

Cellular Concepts PART III GSM- Radio Interface CELLULAR MOBILE RADIO 2 MOBILE COMMUNICATION REVOLUTION IN TELECOM. MOBILE COMMUNICATION IS A VERY RAPIDLY GROWING AND A POPULAR SERVICE. MORE THAN 40 FOLD INCREASE IN LAST 10 YEARS IT HAS BECOME A BACKBONE FOR BUSINESS SUCCESS AND /EASTERN EUROPE 5 % 32.25 M AFRICA 3 % 19.25 M MIDDLE EAST2 % 12.5 M 31 Public Land Mobile Network INDIA has adopted GSM standard for PLMN. Digital Cellular System. Operates at 900 MHz. International Roaming facility. Power class 0.8/


Architectures and Applications for Wireless Sensor Networks (01204525) Network Architecture Chaiporn Jaikaeo Department of Computer.

concepts Gateway concepts 3 Typical Views of WSN Self-organizing mobile ad hoc networks (MANETs) Self-organizing mobile ad hoc networks (MANETs) Peer-to-peer networks Peer-to-peer networks Multi/mobile agent systems and swarm intellegence Multi/mobile agent systems and swarm intellegence 4 Sensor Network/ Choose “best” gateway if several are available  How to find Alice or Alice’s IP? 30 Internet to WSN communication How to find the right WSN to answer a need? How to find the right WSN to answer a need? How/


Beauty Charity Network. BEAUTY CHARITY NETWORK WORLD’S CLASS FUNDRAISING ENGINE Beauty Charity Network.

Network OUR CONCEPT  Beauty Charity Network (BCN) is merely a concept of social network and exclusively limited to an idea of to help raise hope.  It is a reward based fundraiser platform where people can share their resources among themselves and together fight against the instability of monetary system in present economy. Beauty Charity Network/Beauty Charity Network 1. Don’t keep calm 2. Prepare yourself 3. Take small steps in each interaction. 4. One GOAL, get the first meeting. 5. Make community LIKE /


HNC COMPUTING - Network Concepts 1 Network Concepts Topologies Network Topologies.

HNC COMPUTING - Network Concepts 1 Network Concepts Topologies Network Topologies HNC COMPUTING - Network Concepts 2 Aims Gain a knowledge about network topologies. Discuss the advantages and disadvantages of different network topologies. Draw a network topology in Visio HNC COMPUTING - Network Concepts 3 What is a network topology In computer terms, topology means the structure or layout of the communications network. Each workstation on a network is known as a node. HNC COMPUTING - Network Concepts 4 What/


1 ECE453 - Introduction to Computer Networks Lecture 1: Introduction.

brower r Type in web address (send in a request) r wait for peer to ack receipt and return result 18 Layering: Physical Communication application transport network link physical application transport network link physical application transport network link physical application transport network link physical network link physical data 19 Three Concepts Services Interfaces Protocols 20 Primary Services Provided in Each Layer Application (end system) Client/server paradigm Application/


Network Analysis 안용열 2004.05.02. A Few Good Man Robert Wagner Austin Powers: The spy who shagged me Wild Things Let’s make it legal Barry Norton What.

Basic Concepts : Power Law Exponential Network Scale-free Network Small World Milgram’s mail experiment Small world project : http://smallworld.columbia.edu/ http://smallworld.columbia.edu/ WWW’s diameter ~ 20 clicks Strength of weak ties Granovetter shows the strength of weak ties Weak ties = Shortcut between heterogeneous communities High Clustering 내 친구 A 가 내 친구 B 를 알고 있을 확률 A 라는 임의의 사람이 B 라는 임의의 사람을 알고 있을 확률 Network has many triangles!! Small-world network model Networks are small world, and highly/


Experience with Using the UMLS Semantic Network to Coordinate Controlled Terminologies for a Large Clinical Data Repository James J. Cimino Department.

Event Laboratory Test Diagnostic Procedure Substance Measured Glucose Plasma Anatomic Substance Bioactive Substance Chemical Carbo- hydrate Communicating Terminology Changes K#1 K#2 K#3 K#3 = 2.6 K#1 = 4/21762: ICD9 Element 67164: Verification Concept for Generic Column 10048 cases. 207 Intersection Classes Revisiting Recommendations - General Make “Event” a temporal concept Conceptual vs. Physical polarization Directed Acyclic Graph Merge Network and Metathesaurus Revisiting Recommendations - Specific /


Three Key Network Concepts zNodes: things to be connected ye.g., people zLinks: relationships or flows yCommunicates with yTrusts zClique: subset of nodes.

Three Key Network Concepts zNodes: things to be connected ye.g., people zLinks: relationships or flows yCommunicates with yTrusts zClique: subset of nodes in the network that are highly linked Social Networks zWho communicates with whom? zIt’s not what you know, it’s who you know. zExample: How can I get in touch with person X? Social Network Map Nodes represent people. Links represent who communicates with/


Trade, Japan, Africa, & S. America Unit 7. Major Trade Networks Silk Roads Asia to Mediterranean basin Chinese traded silk, paper, & pottery Europe traded.

365.242 day – only.002 away from current calculations Had a concept of # 0 Written Language & History 800 hieroglyphic symbols Most / to their worship Religious Practices centered on elaborate public ceremonies Communicate w/ Gods Make sacrifices Present ritual songs, dances, dramas/Coastal state along the Pacific Stretches the range of the Andes Mtns. Modern day Chile, Ecuador, Peru Beginnings By the/ of iron tools or the wheel 14,000 miles long network of roads & bridges spanned the empire Built guest houses/


Www.coraltele.com Private GSM/Mobile Network. Private Mobile Network  Private GSM networks with full feature functionality on GSM mobiles just like any.

network for Group housing societies. It may facilitate quick roll out like the Group PBX scheme. +Enterprise clusters could be large focus client groups like “Loha Mandi” “Ball bearing merchant association” “Panchratna building with all gold merchants”. +Sell the concept to Ships as a mobile communication/ (SDR) based Radio Access Network (RAN).  Private HLR & VLR records.  Superpico SDR based Cellular BTS that can support a range of frequencies 800, 900, 1800, 1900 MHz (700 Mhz and 2100 Mhz on road map)/


Networks ∙ Services ∙ People www.geant.org Jan Meijer TNC 2016, Prague A WebRTC roadmap for European R&E G4-1 SA8 T2 14 June 2016 GÉANT4, SA8, Task 2 (WebRTC)

communications infrastructure. 5 Task objectives Networks ∙ Services ∙ People www.geant.org improvement of the usability and ease of use of videoconferencing solutions contextual communication, giving the ability to embed real-time communication functionality in any web application 6 Benefits for European R&E Networks/of contextual communication cookbook develop technical capability relation to unified communication VC room advice Forward looking MediaAPI concept Keep exploring 7 Recommendations Networks ∙ /


SYSTEM MODEL From Chapter 2 of Distributed Systems Concepts and Design,4th Edition, By G. Coulouris, J. Dollimore and T. Kindberg Published by Addison.

phones Digital cameras Wearable computers such as smart watches Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 CP8304- Ryerson University Design Requirements for distributed architectures SYSTEM MODEL Design Requirements for distributed architectures Performance Issues Performance issues arising from the limited processing and communication capacities of computers and networks are considered under the following subheading: Responsiveness E.g. a web/


What are Delta Participants Learning about the Practice of Teaching? NSF Supplement Pillar Study CIRTL Network Meeting – Project Update (10/21/10) Chris.

for readability: teaching, students, learning, class, concept, different Theme Prevalence by Respondent Pillar Related Themes 020406080100120140160180 Learning Goals & Outcomes Assessment & Evaluation Teaching-as-Research (by name) Learning Style Inclusive Teaching Diverse Students Learning-through-Diversity (by name) Group Work Community Learning Community (by name) LC LtD TAR Discussion Questions 1.What do we expect Delta Program (and CIRTL Network Program) participants to say about their/


Basic Network Concepts:

as an empty token onto the network. Network Architectures Basic Network Concepts: 1.05 Network Architectures Network Architectures This section will discuss the different network architectures that are popular in today’s networking environments. Basic Network Concepts: 1.05 Network Architectures Broadband and Baseband There are two different techniques that may be used to transmit the signal along the network wire—baseband communication and broadband communication. Baseband Sends digital signals through the/


Provider Provisioned Virtual Private Networks Wing C. Lau Performance Analysis Department Bell Labs, Lucent Technologies Holmdel, New Jersey Dec. 6. 2002.

D_red) Customer A Site 2 Community BLUE (VPN Endpoint B_blue) Customer B Site 2 Community GREEN (VPN Endpoint B_green) Customer B Site 3 Community GREEN Customer A Site 3 Community YELLOW Customer A Site 1 Community RED Customer A Site 4 Community RED Customer A access point Customer B access point The provider network VPN Concepts (cont’d) Key differences between VPN and Public network services ? At a minimum, each/


Packet / Message Switching Concepts

Packet / Message Switching Concepts Contents Circuit Switching v/s Packet switching Logical Channel v/s Physical channel Statistical Time Division Multiplexing Connectionless and Connection Oriented Data Communications Virtual Circuit Approach Switching /Drop the packet in network and network takes it to destination Every packet should must carry the source and destination address Every packet is examined independently by the nodes for its routing Connection Oriented Data Communications A path is established/


Sharing Cloud Networks Lucian Popa, Gautam Kumar, Mosharaf Chowdhury Arvind Krishnamurthy, Sylvia Ratnasamy, Ion Stoica UC Berkeley.

and »Cross-traffic on each link used by V Network differs from CPU or RAM »Distributed resource »Usage attribution (source, destination, or both?) Traditional link sharing concepts needs rethinking 4 Requirements 5 High Utilization Min Bandwidth Guarantee Aggregate Proportionality Network/Symmetric Proportional »sum of weights of flows of a tenant on a link L = sum of weights of its VMs communicating on that link Work Conserving Independent Strategy-proof on congested links 17 WAWA W A-B = NANA NBNB WBWB + /


Module 16: Distributed System Structures

Module 16: Distributed System Structures Chapter 16: Distributed System Structures Motivation Types of Network-Based Operating Systems Network Structure Network Topology Communication Structure Communication Protocols Robustness Design Issues An Example: Networking Chapter Objectives To provide a high-level overview of distributed systems and the networks that interconnect them To discuss the general structure of distributed operating systems Motivation Distributed system is collection of loosely coupled /


Telecommunications Telecommunications refers to the electronic transmission and reception of signals for voice and data communications. In this chapter:

device that receives signals from transmitters for the purpose of communications and messaging. On-site paging systems are finding a variety of uses in businesses and organizations, including restaurants and emergency rooms. National and regional systems set up transmission towers, much like cell phone networks, to cover large geographic areas. Concepts > Telecommunications > Cellular Network > Pager Computer Networks A computer network is a collection of computing devices connected together to share/


August 10, 2005 (Week 1) 1 CS 5224 High Speed Networks and Multimedia Networking Dr. Chan Mun Choon Semester 1, 2005/2006 School of Computing National.

data path Aug 10, 2005 (Week 1) 52Introduction/Basic Concept Acknowledgements Slides are taken from the following sources: Slides are taken from the following sources: W. Stallings, “Wireless Communications and Networks”, Chapter 3 W. Stallings, “Wireless Communications and Networks”, Chapter 3 S. Keshav, “An Engineering Approach to Computer Networking” S. Keshav, “An Engineering Approach to Computer Networking” Kurose and Ross, “Computer Networking: A Top- Down Approach Featuring the Internet”, Chapter 1/


Silberschatz, Galvin and Gagne  2002 15.1 Operating System Concepts Chap15: Distributed System Structures Background Topology Network Types Communication.

multiple messages.  Nodes:  usually a high percentage of mainframes Silberschatz, Galvin and Gagne  2002 15.12 Operating System Concepts Communication Processors in a Wide-Area Network Silberschatz, Galvin and Gagne  2002 15.13 Operating System Concepts Communication Naming and name resolution: How do two processes locate each other to communicate? Routing strategies. How are messages sent through the network? Connection strategies. How do two processes send a sequence of messages/


1 Copyright Ken Fletcher 2004 Australian Computer Security Pty Ltd Printed 16-May-15 00:58 Prepared for: Monash University Subj: CSE4884 Network Design.

to Management Stage 6Recording the Concept for Later Detailed Design 16 Copyright Ken Fletcher 2004 Australian Computer Security Pty Ltd Printed 16-May-15 00:58 Prepared for: Monash University Subj: CSE4884 Network Design & Management Stage 1Analyse EXISTING Networks n Traffic Loads and Capacity n Reliability and functionality n Residual working life of –current systems, –facilities (buildings and power supplies etc), –communications and support equipment n Consider existing/


7/25/20051 Network UAV C3 Stage 2 Program Preview Timothy X Brown, Brian Argrow University of Colorado at Boulder Interdisciplinary Telecommunications.

monitoring AUGNet real-time communication monitoring Navigation Overide Lab hardware-in- the-loop virtual testing facility UAV with integrated comm, sensors, and autonomous nav 7/25/20054 AUGNet Related Activities Ad hoc Network Jamming – AFRL/BBN/Concept Application 1: Sensor Leashing UAV uses signal strength data to choose an optimal communication relay location Improves sensor data collection Click to start: UAV (red), Sensors (blue) 7/25/20057 Concept Application 2: Autonomous Patrol UAV patrols area and/


Department of Systems & Computer Engineering

communicate with a server. Early sensor networks operate in isolation. Networked sensor applications enable new possibilities for consumers, public organizations, enterprises, government, etc. Applications integrate data from sensor networks to achieve industrial or home automation control, agricultural monitoring, healthcare, environment and pollution monitoring, and/cloud math machine learning AI computing more interdisciplinary Time Scales IoE concepts are ahead of technology no time! 1980 1985 1990 1995 /


April 1999Computer Networks: Architecture & Concepts/Habib Youssef1 Computer Networks: Architecture & Concepts Habib Youssef, Ph.D.

of autonomous computers and computer resources April 1999Computer Networks: Architecture & Concepts/Habib Youssef3 Simple Data Communication Model Transceiver Transport System Digital Analog/Digital Digital 001101 Data Network Public Telephone Network April 1999Computer Networks: Architecture & Concepts/Habib Youssef4 Communication Protocols l To provide error-free and convenient information transfers, the network communication is regulated by a set of rules and conventions called network protocols. l/


Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8 th Edition Module 16: Distributed System Structures.

8 th Edition Module 16: Distributed System Structures 16.2 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8 th Edition Chapter 16: Distributed System Structures Motivation Types of Network-Based Operating Systems Network Structure Network Topology Communication Structure Communication Protocols Robustness Design Issues An Example: Networking 16.3 Silberschatz, Galvin and Gagne ©2009 Operating System Concepts – 8 th Edition Chapter Objectives To provide a high-level overview of distributed/


Sheu 1 INFORMATION TECHNOLOGY MANAGEMENT 資訊技術應用 Session 6 OUTLINE n Logistics Review revised scheduleReview revised schedule n Concept review n (O) Ch2.

OUTLINE n Logistics Review revised scheduleReview revised schedule n Concept review n (O) Ch2 & (L)Ch5/NETWORK RESOURCES CLIENT / SERVER n NETWORKED COMPUTERS n CLIENT: user (PC, workstation, laptop) requires data, application, communications it does not have communications it does not have n SERVER: component (computer) having desired data, application, communications communications/ ON TRACK 0 SECTOR EACH TRACK HOLDS SAME AMOUNT OF DATA TRACKS AND SECTORS Sheu 22 n CD-ROM: 500-660 MEGABYTES LAND: flat parts/


CS 843 - Distributed Computing Systems Chapter 3: Networking and Internetworking Chin-Chih Chang, From Coulouris, Dollimore and Kindberg.

Collision Detection). Contention buses use a single transmission medium to link all of the hosts. Instructor’s Guide for Coulouris, Dollimore and Kindberg Distributed Systems: Concepts and Design Edn. 3 © Addison-Wesley Publishers 2000 Packet Broadcasting The method of communication in CSMA/CD networks is by broadcasting packets of data on the transmission medium. The packet is broadcasting with the destination address which specifies either/


Understanding Operating Systems Sixth Edition

A Distributed Operating System (D/OS) offers several important advantages over older Oss and NOSs: Easy and reliable resource sharing; Faster computation; Adequate load balancing; Good reliability; Dependable electronic communications among the network users. Understanding Operating Systems, Sixth Edition Network Organization Concepts Basic Terminology In a distributed system, each processor classifies the other processors and their resources as Remote. Considers its own resources Local. The size, type/


Chapter 16-1 Distributed System Structures. 17.2 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts Chapter 16 Distributed System Structures.

16 Distributed System Structures Chapter 16.1 Background Motivation Types of Distributed Operating Systems Network Structure Chapter 16.2 Network Topology Communication Structure Communication Protocols Robustness Design Issues 17.3 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts Chapter Objectives To provide a high-level overview of distributed systems and the networks that interconnect them To discuss the general structure of distributed operating systems. 17.4 Silberschatz, Galvin/


Computer Concepts 5th Edition Parsons/Oja Page 216 CHAPTER 5 Network Building Blocks Section A PARSONS/OJA Internet and LAN Technology.

5 Network Building Blocks How are networks classified?  Client/server – contains servers and clients  Peer-to-peer (P2P) – every computer is considered an equal  KaZaa: file sharing among peers Computer Concepts 5th Edition Parsons/Oja Page 231 Section B Chapter 5 Internet Building Blocks Background: How did the Internet get started?  The United States created ARPA (Advanced Research Projects Agency).  to help scientists communicate and share/


NSFNet, the first Internet backbone Skills: none IT concepts: backbone network, history of networking This work is licensed under a Creative Commons Attribution-Noncommercial-

concepts –Applications –Technology (communication) –Implications Internet skills –Application development –Content creation (audio) NSFNet backbone, July 1986-8, 56 kbps Initial T1 (1.5 Mbps) backbone, July 1988 T1 backbone, 1991 Networks connected/and 22,296 foreign networks. NSFNet was global and successful Internet languages – millions of users Data source and more detail Designed by highly qualified researchers NSFNet succeeded because it was …. Financially leveraged A dumb network Seeding Networks/


Networking Support In Java Nelson Padua-Perez Chau-Wen Tseng Department of Computer Science University of Maryland, College Park.

’s objected-oriented view Java’s networking API (Application Program Interface) Network applications This lecture Next lecture Networking Background Definition Set of computers using common protocols to communicate over connecting media History 1969 ARPANET 1986 NSFnet 1995 Internet Networking Concepts Protocols Network model Internet addresses Ports Sockets URLs Reliability Connection vs. packet oriented TCP vs. UDP Protocols Definition Formal description of formats and rules Used for Message formats/


CS 843 - Distributed Computing Systems Chapter 4: Interprocess Communication Chin-Chih Chang, From Coulouris, Dollimore and Kindberg.

Host Configuration Protocol (DHCP). Instructor’s Guide for Coulouris, Dollimore and Kindberg Distributed Systems: Concepts and Design Edn. 3 © Addison-Wesley Publishers 2000 Common Internet Applications that use UDP Dynamic Host Configuration Protocol (DHCP) is a communications protocol that lets network administrators manage centrally and automate the assignment of Internet Protocol (IP) addresses in an organizations network.) Network Time Protocol (NTP) is a protocol that is used to/


Chapter 16-2 Distributed System Structures. 17.2 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts Chapter 16 Distributed System Structures.

such as token ring, FDDI, and ARCNET. 17.18 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts Communication Protocols There are so very many activities involved in a communications network where so much communication is asynchronous. Systems on a network agree on a set of protocols such that each layer of the protocols or set of protocols has specific responsibilities in overall communication and each layer of the protocol at/


Social Network Analysis

them. April 17, 2017 Data Mining: Concepts and Techniques Communication networks The Earth is developing an electronic nervous system, a network with diverse nodes and links are -computers -routers -satellites -phone lines -TV cables -EM waves Communication networks: Many non-identical components with diverse connections between them. April 17, 2017 Data Mining: Concepts and Techniques “Natural” Networks and Universality Consider many kinds of networks: social, technological, business, economic, content/


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