1CSNW1 Week 4 Computer Netwerken

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Presentation transcript:

1CSNW1 Week 4 Computer Netwerken 10-4-2017 1CSNW1 Week 4 Computer Netwerken Jan Nijman

Computernetwerken Local Area Network (LAN) Personal Area Network Campus Area Network Metropolitan Area Network Wide Area Network (WAN)

Overlay Networks - the global goal regional metropolitan area campus-based in-house vertical handover horizontal Bron: Jochen Schiller

Local Area Network (LAN) 10-4-2017 Local Area Network (LAN) Jan Nijman

LAN Example (library) Bron: Wikipedia

Wide Area Network (ARPANET) Bron: Wikipedia

10-4-2017 Netwerktopologie Bron: Wikipedia Jan Nijman

Token Ring

Netwerkkaart Bron: Wikipedia

Transportmedium (COAX en UTP) 10-4-2017 Transportmedium (COAX en UTP) Coax kabel Unshielded Twisted Pair Bron: Wikipedia Jan Nijman

Elektromagnetische velden 10-4-2017 Elektromagnetische velden differentiele aansturing Jan Nijman

Twisted pair (physics) Balanced signal line Bron: Wikipedia EMF cancelling Bron: www.emcuk.co.uk

Transportmedium (glasvezel) 10-4-2017 Transportmedium (glasvezel) Bron: www.arcelect.com Jan Nijman

Single and multimode fiber Bron: Wikipedia

OSI Reference Model Open System Interconnection model 10-4-2017 OSI Reference Model Open System Interconnection model All People Seem To Need Data Processing Bron: DevCentral Jan Nijman

IEEE 802 definieert standaarden voor computernetwerken ! Relatie OSI en TCP/IP Transport Layer Network Layer Data Link Layer Physical Layer TCP IP Ethernet protocol Ethernet hardware Layer 4 Layer 3 Layer 2 Layer 1 OSI Model TCP/IP op Ethernet IEEE 802 definieert standaarden voor computernetwerken !

TCP/IP Model (Wikipedia)

IEEE 802 standaarden IEEE 802.1 Bridging (networking) and Network Management IEEE 802.2 Logical link control IEEE 802.3 Ethernet IEEE 802.4 Token bus (disbanded) IEEE 802.5 Defines the MAC layer for a Token Ring IEEE 802.6 Metropolitan Area Networks (disbanded) IEEE 802.7 Broadband LAN using Coaxial Cable (disbanded) IEEE 802.8 Fiber Optic TAG (disbanded) IEEE 802.9 Integrated Services LAN (disbanded) IEEE 802.10 Interoperable LAN Security (disbanded) IEEE 802.11 Wireless LAN & Mesh (Wi-Fi certification) IEEE 802.12 demand priority IEEE 802.13 Cat.6 - 10Gb lan (new founded) IEEE 802.14 Cable modems (disbanded) IEEE 802.15 Wireless PAN IEEE 802.16 Broadband Wireless Access (WiMAX certification) IEEE 802.17 Resilient packet ring IEEE 802.18 Radio Regulatory TAG IEEE 802.19 Coexistence TAG IEEE 802.20 Mobile Broadband Wireless Access IEEE 802.21 Media Independent Handoff IEEE 802.22 Wireless Regional Area Network

Koppelingen van netwerken Repeater Hub Switch Bridge Gateway Router

Router/Switch and Neighbourhood Analogy Bron: Wikipedia

Netwerkkoppeling voorbeeld Application Application Transport Transport Network Network Network Network Data Link Data Link Data Link Data Link Physical Physical Physical Physical Radio UTP Bron: Jochen Schiller

Datagram en virtueel circuit Datagram (bericht zonder ontvangstbevestiging) Unicast Multicast Broadcast Virtueel circuit (het lijkt alsof de hosts continue verbonden zijn)

10-4-2017 Data encapsulation Jan Nijman

Bronnen Computer Network (Wikipedia) ARPANET (Wikipedia) UTP (Wikipedia) Fiber-optic Communication (Wikipedia) Fibre Optic Cable Tutorial ISO OSI Model (Wikipedia) Jochem Schiller, “Mobiele Communicatie”, (Pearson)

Opdrachten Bestudeer 15.1, 15.2 Maak opgaven 15.1 t/m 15.4