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Data Komunikasi

Data Komunikasi. oleh Ir. Risanuri Hidayat, M.Sc. Application. Application. Presentation. Session. Transport. Transport. Network. Network. Data-link. Data-link. Physical. Physical. OSI Layer. 7 Layer/OSI. TCP/IP. Header. Data. Header. Data. Application.

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Data Komunikasi

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  1. Data Komunikasi oleh Ir. Risanuri Hidayat, M.Sc.

  2. Application Application Presentation Session Transport Transport Network Network Data-link Data-link Physical Physical OSI Layer 7 Layer/OSI TCP/IP

  3. Header Data Header Data Application • Contoh : Email, HTTP, dsb Format Data Analogi

  4. Header Header Data Data Header Payload Header Presentation & Session • Security, Compression • RPC, RMI Analogi

  5. Dumy Header Payload PL PL PL PL PL PL PL 2 5 7 4 3 1 6 PL PL PL PL PL PL PL Transport • PL = PayLoad • TCP, UDP Protocol

  6. Header 1 2 2 3 1 4 6 5 3 4 5 6 Transport Layer Analogi • Paket besar dibagi-bagi menjadi paket-paket yang lebih kecil • Masing-masing paket diberi nomor sesuai dengan urutannya

  7. Address PL 2 7 1 3 4 6 5 PL PL PL PL PL PL PL Network Layer • Address pada Network Layer dinamakan : Logical Address • Address terdiri dari : Source Address (alamat IP pengirim, mis:172.16.180.16), dan Destination Address (alamat IP penerima, mis: 192.234.13.201)

  8. 2 3 1 4 6 5 4 Pengirim Penerima Pengirim Penerima Network Layer Analogi • Router

  9. Address PL Address PL Address Address Address PL PL PL Address PL Data-link Paket kecil Paket besar • Address pada Data-link disebut: Physical Address • Address terdiri atas: Source Address (Alamat Asal), dan Destination Address (Alamat Tujuan) • Source dan Destination address adalah alamat point (titik) sesaat yang dituju, dan bukan alamat IP.

  10. Asal Asal Asal Tujuan Pengirim Pengirim Pengirim Tujuan Tujuan Penerima Penerima Penerima Data-link • Jika ukuran paket kecil • Jika ukuran paket besar • Eth card, Switch

  11. PC PC Asal 1 0 Tujuan Physical Layer • Hub, repeater

  12. 101 Pengirim 103 ALI ALI Penerima BUDI BUDI Contoh 102 101 DIDI 103 R1 ALI INUL 202 205 R2 YF YF 405 606 608 502 R3 BUDI IPANG 600 YF YF

  13. 102 101 405 202 DIDI 103 R1 ALI INUL Pengirim Pengirim 205 502 ALI ALI ALI 202 Penerima Penerima BUDI BUDI BUDI 205 R2 YF YF 405 606 608 502 R3 BUDI IPANG 600 YF YF Contoh

  14. 600 Pengirim 606 ALI ALI Penerima BUDI BUDI Contoh 102 101 DIDI 103 R1 ALI INUL 202 205 R2 YF YF 405 606 608 502 R3 BUDI IPANG 600 YF YF

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