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KOM 15032: Arsitektur Jaringan Terkini Bab 1. Dasar Arsitektur Jaringan.

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Presentation on theme: "KOM 15032: Arsitektur Jaringan Terkini Bab 1. Dasar Arsitektur Jaringan."— Presentation transcript:

1 KOM 15032: Arsitektur Jaringan Terkini Bab 1. Dasar Arsitektur Jaringan

2 KOM15032: Class Overview  Mata Kuliah: Arsitektur Jaringan Terkini  Beban Studi: 3 sks  Sifat: Pilihan  Prasyarat: Jaringan Komputer  Bentuk Kuliah: Ceramah, Diskusi, Praktek  Pustaka:  John Day, Patterns in Network Architecture: A Return to Fundamentals. Pearson 2007  Tania Tronco, New Network Architectures: the Path to the Future Internet. Springer  Paper-paper tentang Arsitektur Jaringan Terkini

3 About Me  Rakhmadhany Primananda, S.T., M.Kom  Lab. Jaringan Komputer   HP:  FB: /rakhmadhany.primananda   Research and Interest:  Wireless Network  Linux Sysadmin  Multimedia Networking  Network Security

4 Course Goal  Mengetahui terminologi dasar komponen pembentuk arsitektur jaringan komputer  Mengerti tentang arsitektur OSI, TCP/IP, dan Internet

5 Grading  Tugas dan Quiz: 30%  UTS: 30%  UAS/Project: 40%  Keaktifan ++

6 Application  Most people know about the Internet through network application  WWW   Instant Messaging  Social Media  Streaming Multimedia  File Sharing  etc..

7 Requirement of Computer Network  Support for common services  Cost effective resource sharing  Connectivity  Reliability

8 Connectivity  Understanding with this terminologies:  Scale  Link  Nodes  Point to point  Multiple Access  Switched Network (Circuit vs Packet)  Packet vs Message  Store and Forward

9 Connectivity (cont.)  Terminologies:  Cloud  Hosts  Switches  Internetwork  Router/Gateway  Host to Host Connectivity  Address  Routing  Unicast, broadcast, multicast A switched network Interconnection of network

10 Cost Effective Resource Sharing  Resource: link and node  How to share a link?  Multiplexing  Demultiplexing  Synchrounous Time division multiplexing Multiplexing multiple logical flows over a single physical link

11 Cost Effective Resource Sharing (cont.)  FDM: Frequency Division Multiplexing  Statistical Multiplexing  Data transmitted based on demand of each flow  Packet vs Messages  FIFO, Round robin, Priorities (QoS) Statistical multiplexing: a switch multiplexing packets from multiple sources onto one shared link

12 Architecture, topology, protocol  What is a computer network architecture?  What is a computer network topology?  What is a computer network protocol? ???

13 Architecture, topology, protocol (cont.)  Network architecture - the design of communication network, on how data flows in a network  Network topology - the study of the arrangement or mapping of the elements (links, nodes,etc.) of a network  Network protocol - a common set of rules and signals that governs the communication between computers on a network

14 Network Architecture Example of a layered network system

15 Network Architecture (cont.) Layered system with alternative abstractions available at given layer

16 OSI Architecture

17 Description of Layers  Physical Layer  Handles the transmission of raw bits over a communication link  Data Link Layer  Collects a stream of bits into a larger aggregate called a frame  Network adaptor along with device driver in OS implement the protocol in this layer  Frames are actually delivered to hosts  Network Layer  Handles routing among nodes within a packet-switched network  Unit of data exchanged between nodes in this layer is called a packet The lower three layers are implemented on all network nodes

18 Description of Layers (cont.)  Transport Layer  Implements a process-to-process channel  Unit of data exchanges in this layer is called a message  Session Layer  Provides a name space that is used to tie together the potentially different transport streams that are part of a single application  Presentation Layer  Concerned about the format of data exchanged between peers  Application Layer  Standardize common type of exchanges The transport layer and the higher layers typically run only on end-hosts and not on the intermediate switches and routers

19 Internet Architecture Internet Protocol Graph Alternative view of the Internet architecture. The “Network” layer shown here is sometimes referred to as the “sub-network” or “link” layer.

20 Protocol  Protocol in each layer have  Service interface with upper / lower layer  Peer to peer interface with host on same layer

21 Protocol Layering and Routing Application Layer Transport Layer Internet Layer Network Layer Physical Network Application Layer Transport Layer Internet Layer Network Layer HTTP Message TCP Packet Ethernet Frame Ethernet Frame IP Datagram Internet Layer Network Layer Physical Network Host BHost A Router

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