inroduction to computer network - and …eprints.binadarma.ac.id/3126/1/chapter_1 introduction...
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INRODUCTION TO COMPUTER NETWORKAND DATA COMMUNITATION
Edi Surya Negara,M.Kom.
Postgraduate Program, Informatics Engineering (S2)
November 14, 2016
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References :
• Computer Networks - A Tanenbaum - 5th edition (2011)
• Data Communications and Networking - Behrouz A.Forouzan -4th edition (2007)
• Cisco System Inc - 2011 - Cisco Configuration Profesional UserGuide.
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Chapter 1: Objectives
After completing this chapter, students will be able to:
• Explain how multiple networks are used in everyday life.
• Explain the topologies and devices used in a small- tomedium-sized business network.
• Explain the basic characteristics of a network that supportscommunication in a small- to medium-sized business.
• Explain trends in networking that will affect the use of networksin small to medium-sized businesses.
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Chapter 1:
• 1.1 Globally Connected
• 1.2 LANs, WANs, and the Internet
• 1.3 The Network as a Platform
• 1.4 The Changing Network Environment
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1.1 Globally Connected
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Networks in Our Past and Daily Lives
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Internet of Things
• The Internet of things (stylised Internet of Things or IoT) is theinternetworking of physical devices, vehicles (also referred to as”connected devices” and ”smart devices”), buildings and otheritemsembedded with electronics, software, sensors, actuators, andnetwork connectivity that enable these objects to collect andexchange data.[1][2][3]
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Internet of Things
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Internet of Everythings
• The Internet of Everything (IoE) brings together people, process,data, and things to make networked connections more relevantand valuable than ever before-turning information into actionsthat create new capabilities, richer experiences, andunprecedented economic opportunity for businesses, individuals,and countries.
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Internet of Everythings
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Taxonomy of Research Area to IOT
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Networking Impacts in Our Daily Lives
• Networks support the way we learn.
• Networks support the way we communicate.
• Networks support the way we work.
• Networks support the way we play.
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The Global Community
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Networks of Many Sizes
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Providing Resources in a Network Clients and Servers
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1.2 LANs, WANs, and the Internet
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Components of a NetworkThere are three categories of network components:
• Devices
• Media
• Services
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Network Infrastructure DevicesExamples of intermediary network devices are:
• Network Access Devices (switches, and wireless access points)
• Internetworking Devices (routers)
• Security Devices (firewalls)
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Network Media
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Network Representations
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Topology Diagrams
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Types of NetworksThe two most common types of network infrastructures are:
• Local Area Network (LAN)
• Wide Area Network (WAN)
• Metropolitan Area Network (MAN)
• Wireless LAN (WLAN)
• Storage Area Network (SAN)
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LANs and WANs
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The Internet
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1.3 The Network as a Platform
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The Converging Network
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Supporting Network ArchitectureAs networks evolve, we are discovering that there are four basiccharacteristics that the underlying architectures need to address inorder to meet user expectations:
• Fault Tolerance
• Scalability
• Quality of Service (QoS)
• Security
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Providing Network Security
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1.4 The Changing Network Environment
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Network TrendsSome of the top trends include:
• Bring Your Own Device (BYOD)
• Online collaboration
• Video
• Cloud computing
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References
1 Brown, Eric (13 September 2016). ”Who Needs the Internet ofThings?”. Linux.com. Retrieved 23 October 2016.
2 Brown, Eric (20 September 2016). ”21 Open Source Projects forIoT”. Linux.com. Retrieved 23 October 2016.
3 ”Internet of Things Global Standards Initiative”. ITU. Retrieved26 June 2015.
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