ຍຈ຺ີ3 ຓາຈຉະຊາຌກາຌຽຆໃບືຓຉໃ...

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1 ຍ ຺ຈີ 3 ຓາຈຉະຊາຌກາຌຽຆື ບຓຉ ຖະ ຍຍບ າຄບີຄ OSI ຖະ PROTOCOL (TCP/IP)

Transcript of ຍຈ຺ີ3 ຓາຈຉະຊາຌກາຌຽຆໃບືຓຉໃ...

Page 1: ຍຈ຺ີ3 ຓາຈຉະຊາຌກາຌຽຆໃບືຓຉໃ ຖະຍຍບາໄຄບຄີ OSI ຖະ PROTOCOL ...2 ຍຍື: ໃ+ ຍຍຈຸຉຈຸ(Point -to Point)

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ຍຈ຺ີ 3 ຓາຈຉະຊາຌກາຌຽຆືໃ ບຓຉ ໃ ຖະ ຍຍບໄາຄບຄີ

OSI ຖະ PROTOCOL (TCP/IP)

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1. ຽບືຂໃາງ (Network)

ກຸໃຓຂບຄບຎຸະກບຌີໃ ເຆໄຘືໃ ຘາຌີໃ ຓກີາຌຽຆືໃ ບຓງຄກຌັຈງເຆໄຘືໃ ກາຄເຌກາຌ

ປຍັຘ ຺ໃຄຂ ໄຓຌູ ຖະ ເຌກາຌຽຆືໃ ບຓງຄບຎຸະກບຌຽຎັຌຽບືຂໃາງຌ ັໄຌ ຘາຓາຈຽປັຈແຈໄ

2 ຍຍ:ື

+ ຍຍຈຸຉ ໃ ຈຸ (Point-to-Point)

+ ຍຍນົາງຈຸ (Multipoint)

Poin-to-Point

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MULTIPOINT

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2. ປຍູຍຍກາຌຽຆືໃບຓງຄຂບຄຽບືຂໃາງ

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MESH TOPOLOGY

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ຂ ໄຈ ີ

1. ຽບືຂໃາງຓີທາຓຘະຊຼຌຘຄູ

2. ຽຊຄິທໃາໜຈເຈໜຈໜຶໃ ຄຽຘງນາງ ໜຈບືໃ ຌກ ໃງຄັຽປັຈທຼກແຈໄຎກ຺ກະຉ ິ

ຂ ໄຽຘງ

1. ຽຎືບຄຘາງຽຌັຈຽທກີ

2. ຓີໃາເຆໄ ໃາງຘຄູ

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STAR TOPOLOGY

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ຂ ໄຈ ີ

1. ຎະນງຈັຘືໃ ກາຄເຌກາຌຽຆືໃ ບຓຉ ໃ ກທໃາຍຍ mesh

2. ຉຈິຉ ັໄຄ ຖະຎຍັຎຄຸກໄແຂແຈໄຄ ໃາງ

3. ຊໄາຘືໃ ກາຄ ນືົຽຘັໄຌາຄເຈໜຶໃ ຄຽກຈີຽຘງນາງະຍ ໃ ຘ ຺ໃຄຏຌ຺ກະຍ຺ຉ ໃ ຖະຍຍ຺

4. ຘາຓາຈກທຈຘບຍທາຓຏິຈຑາຈຂບຄຖະຍຍ຺ແຈໄຄ ໃາງຈງກທຈຘບຍີໃ hub

ຂ ໄຽຘງ

1. ຊໄານາກຘຌູກາຄຽກຈີທາຓຏິຈຑາຈຽປັຈເນໄຖະຍຍ຺ເຆໄຄາຌຍ ໃ ແຈໄ

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BUS TOPOLOGY

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ຂ ໄຈ ີ

1. ຎະນງຈັຘືໃ ກາຄກທໃາຍຍ mesh ຖະ star

2. ຄ ໃາງຉ ກາຌຽຑີໃ ຓ າຌທຌຽືໃ ບຄຘືໃ ຘາຌ

ຂ ໄຽຘງ

1. ຽກຈີທາຓຖໄາຆໄາຂບຄຂ ໄຓຌູຽຓ ືໃບຓກີາຌຘ ຺ໃຄຑໄບຓກຌັ າຌທຌນົາງຽືໃ ບຄ

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RING TOPOLOGY

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ຂ ໄຈ ີ

1. ຍ ໃ ຓກີາຌຉ າກຌັຂບຄຂ ໄຓຌູ

2. ຎະນງຈັກາຌເຆໄຘືໃ ຌ າຘຌັງາຌ

ຂ ໄຽຘງ

1. ຽຓ ືໃບກ ຖະຌຽີືໃ ບຄເຈຽືໃ ບຄໜຶໃ ຄຽກຈີທາຓຽຘງນາງະຽປັຈເນໄຖະຍຍ຺ຍ ໃ ຘາຓາຈ

ຘ ຺ໃຄຂ ໄຓຌູຉ ໃ ແຎແຈໄ

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3. ຎະຽຑຈຂບຄຽບືຂໃາງ

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LOCAL AREA NETWORK: LAN

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SINGLE-BUILDING LAN MULTI-BUILDING LAN

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METROPOLITAN AREA NETWORK: MAN

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WIDE AREA NETWORK: WAN

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History an Internet 1960 : Advance Research Project

Agency: ARPA 1967 : ARPANET (IMP) 1969 : Network Control Protocol

(NCP) 1972 – Present : Transmission

Control Protocol (TCP) and Internet Protocol (IP)

4. INTERNET

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• International Organization for Standardization ( ISO ) • International Telecommunication Union – Telecommunication Standards Section ( ITU-T ) • American National Standards Institute(ANSI)

• Institute of Electrical and Electronics Engineers ( IEEE ) • Electronics Industries Association ( EIA )

Standards Organizations

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5. ຍຍບໄາຄບຄີ OSI

ບຄ຺ກາຌຓາຈຉະຊາຌຌາຌາຆາຈ ISO (The International

Organization for Standardization) ດໃາຄເຈກ ຉາຓ ISO ຽຎັຌບຄ຺ກບຌີ

ບບກຍຍຎົຉບຌ OSI (Open System Interconnect) ນືົ ຽຎັຌຎົຉ

ບຌກາຌຽຆືໃ ບຓຉ ໃ ຽືບຂໃາງຍຍຽຎີຈຸຈຓຸ ໃຄໝາງຂບຄກາຌຑ ັຈະຌາ

ຓາຈຉະຊາຌຌີໄ ຽຑືໃ ບເນໄບຓຑິທຽຉີ ຖະບຎຸະກບຌຽືບຂໃາງີໃ ຏະຖິຈຈງ

ຍ ຖິຘຈັຉໃາຄໂ ຘາຓາຈ າຄາຌປໃທຓກຌັແຈໄ

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OSI MODEL

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1. Physical Layer

ຽຎັຌຆ ັໄຌີໃ ບະິຍາງຌຸຖກັຘະຌະກາຌ າຄາຌຂບຄຘືໃ ກາຄີໃ ເຆໄຘາງຉໃາຄໂ

ຖະທຍຓຸແຎຽຊຄີບຎຸະກບຌກາຌຽຆືໃ ບຓຉ ໃ ຈງກາຌຎຄຂ ໄຓຌູເຌປຍູຍຍ

ຂບຄຍຈິ ນືົ 0,1 ເນໄຽຎັຌຘຌັງາຌແຒຒໄາຖໄທຘ ຺ໃຄເນໄຽຊຄີຎາງາຄດໃາຄຎບຈແຑ

2. Data Link Layer

ປຍັຏິຈຆບຍເຌກາຌປຍັຘ ຺ໃຄຂ ໄຓຌູ ຖະຓກີາຌກທຈຘບຍທາຓຊກືຉໄບຄ

ຂບຄຂ ໄຓຌູຈໄທງ າຄຈໄາຌຘະຊາຌຘີ ຺ໃຄຂ ໄຓຌູະຈັຂ ໄຓຌູເນໄຽຎັຌຽຒຕຓ (Frame)

3. Network Layer

າໜໄາີໃ ປຍັຏິຈຘບຍຈັນາຽຘັໄຌາຄເນໄກຍັກາຌຘ ຺ໃຄຂ ໄຓຌູ ຖະຽຖືບກ

ຽຘັໄຌາຄີໃ ຽໝາະຘຓ຺ເຌກາຌຘ ຺ໃຄຂ ໄຓຌູຂໃາທຘາຌຽຆັໃ ຌ ກາຌ າຄາຌຂບຄ

Router

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4. Transport Layer

ຽປັຈໜໄາີໃ ຽືໃ ບຌງໄາງຂ ໄຓຌູຖະນທໃາຄຎຕກຓຂບຄຏູໄເຆໄຄາຌີໃ ກ າຖຄັຖຌັດູໃ

ຈງກາຌຘ ຺ໃຄເຌປຍູຍຍ Segment ບກີໜໄາີໃ ໜຶໃ ຄຓ ໃຌກທຈຘບຍຑັກຽກຈັ ຖະ

ຈັຖຼຄຑັກຽກຈັ

5. Session Layer

ຽປັຈໜໄາີໃ ທຍຓຸກາຌຘືໃ ຘາຌຏໃາຌຽືບຂໃາງີໃ ກ າຖຄັຽກຈີຂືໄຌຖະນທໃາຄຘບຄ

ຐ ັໃຄ ຖະກາຌງກ຺ຽຖີກກາຌຘືໃ ຘາຌຖະນທໃາຄ Application

6. Presentation Layer

ປຍັຏິຈຆບຍກໃຼ ທກຍັປຍູຍຍຂບຄຂ ໄຓຌູີໃ ປຍັຘ ຺ໃຄຏໃາຌຽບືຂໃາງຽຆັໃ ຌ: JPEG,

TIFF ຖທຓຽຊຄີຄຘໄາຄຂບຄຂ ໄຓຌູີໃ ຊກືເຆໄຈງຎົກຓຉໃາຄໂ ຖະຽຌືໃບຄາກ

ບຓຑິທຽຉີີໃ ຉໄບຄກາຌຖກຎໃຼຌຂ ໄຓຌູບາຈະຓທີີິຽຂ຺ໄາຖະນຈັີໃ ຉກຉໃາຄກຌັ.

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7. Application Layer

ບຍຑິກຽຆຌັຽຖຽດີ ຉໃຍ ໃ ແຈໄໝາງຽຊຄີບຍຑິກຽຆຌັຂບຄຏູໄເຆໄ (User

application) ຉໃຽຎັຌຈຸຽຆືໃ ບຓຉ ໃ ຖະນທໃາຄບຍຑິກຽຆຌັຂບຄຏູໄເຆໄກຍັຂະຍທຌກາຌ

ຘືໃ ຘາຌຏໃາຌຽບືຂໃາງ ຆ ັໄຌຌີໄະຊແືຈໄທໃາຽຎັຌຆ ັໄຌີໃ ຽຖີໃ ຓຂະຍທຌກາຌຘືໃ ຘາຌຽຆັໃ ຌກາຌເນໄ

ຍ ຖິກາຌຘືໃ ຘາຌເຌຆ ັໄຌຌີໄ FTP, HTTP ຖະບືໃ ຌໂ.

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6. ຎົຉບຌ (Protocol)

ກາຌຽຆືໃ ບຓຉ ໃ ບຓຑິທຽຉີເນໄຽຎັຌຽືບຂໃາງເນໄຽຎັຌຽືບຂໃາງຈໄທງຘາງ

ຘຌັງາຌຌ ັໄຌຽຎັຌຂ ັໄຌຉບຌີໃ ຄ ໃາງຂບຄກາຌຘໄາຄຽບືຂໃາງ ຉໃຘໃທຌີໃ ຊ ໄາາງ ືກາຌ

ຑຈັະຌາຓາຈຉະຊາຌຽຑືໃ ບເນໄບຓຑິທຽຉີ ຖະບຎຸະກບຌຽບືຂໃາງີໃ ຏະຖິຈຈງ

ຉໃາຄຍ ຖິຘຈັກຌັຘາຓາຈຉິຈຉ ໃ ຘືໃ ຘາຌກຌັແຈໄຽຆິໃ ຄຓາຈຉະຊາຌຌ ັໄຌື ຎົຉບຌ

(Protocol).

6.1 ຆຸຈຎົຉບຌ TCP/IP

ຆຸຈຎົຉບຌ TCP/IP (Transmission Control Protocol/Internet

Protocol) ແຈໄຊກືຑຈັະຌາຓາຖໄທກທໃາ 30 ຎີ າກກາຌທແິີໃ ຘະໜຍັຘະໜຌູ

ຈງກະຆທຄກະຖານຓຘະນະຖຈັບະຽຓຖິກາຈຸຎະຘຄ຺ຂບຄກາຌທິເຌີໄກ ໃ ຽຑືໃ ບ

ຽຆືໃ ບຓຉ ໃ ບຓຑິທຽຉີີໃ ຉໃາຄຑັຈຒບຓກຌັຘາຓາຈຘືໃ ຘາຌກຌັແຈໄ.

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OSI & TCP/IP

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OSI & TCP/IP

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ກາຌຘ ຺ໃຄຉ ໃ ຂ ໄຓຌູຖະນທໃາຄຽຖຽດີຂບຄ TCP/IP

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4. ບຍຑິກຽຆຌັຽຖຽດີ (Application Layer)

ກາຌ າຄາຌຂບຄຎົຉບຌເຌຆ ັໄຌຌີໄະຽຎັຌກາຌຽຂ຺ໄາເຆໄຆຍັຑະງາກບຌແຖງະ

ແກ (Remote Access) ຖະ ກາຌຆກາຌເຆໄຆຍັຑະງາກບຌ (Resource

Sharing) ຎົຉບຌບຍຑິກຽຆຌັີໃ ຈັດູໃເຌຆ ັໄຌຌີໄແຈໄກໃ

HTTP (Hyper Text Transfer Protocol): ເຆໄຘ າຖຍັປຍັຘ ຺ໃຄແຒຖຽ໌ທັຍຽຑັກຖະນທໃາຄ

ຽທຍຍາທຽຆ ີຖະຽທັຍຽຆຽີທ ີ

SMTP (Simple Mail Transfer Protocol): ເຆໄຘ າຖຍັກາຌປຍັຘ ຺ໃຄບຽີຓທຖະນທໃາຄ

ຽຓທຽຆຽີທ ີ

POP (Post Office Protocol): ເຆໄຘ າຖຍັກາຌຈາທນົຈບຽີຓທາກຽຓທຽຆຽີທ ີ

IMAP (Internet Message Access Protocol): ເຆໄຘ າຖຍັຈາທນົຈບຽີຓທາກ

ຽຓທຽຆຽີທ ີ

FTP (File Transfer Protocol): ເຆໄຘ າຖຍັຊໃາງບຌແຒຖຖ໌ະນທໃາຄປຈ (Host)

Telnet: ເຆໄຘ າຖຍັກາກຖບັກບຌິຽຂ຺ໄາເຆໄປຈຖະງະາຄແກ 29

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3. ປຈູປຈຽຖຽດີ (Host-to-Host Layer)

ກາຌຽປັຈທຼກເຌຆ ັໄຌຌີໄະໄາງືກຍັກາຌຽປັຈທຼກເຌຆ ັໄຌຽຆຘຆຌັ ຖະຆ ັໄຌ

ຽືໃ ບຌງໄາງຂ ໄຓຌູຂບຄຍຍບໄາຄບຄີ OSI ຽຆິໃ ຄເຌຆ ັໄຌຌີໄະຓ ີ2 ຎົຉບຌ ືTCP

(Transmission Control Protocol) ຖະ UDP (User Datagram

Protocol) ຽຆິໃ ຄຄັຘບຄຎົຉບຌຌີໄຓຖີກັຘະຌະກາຌຽປັຈທຼກີໃ ຉກຉໃາຄກຌັ.

2. ບຌິຽຉຽີຌັຈຽຖຽດີ (Internet Layer)

ກາຌຽປັຈທຼກຂບຄຆ ັໄຌຌີໄະຼຍຽ຺ໃ າກຍັກາຌຽປັຈທຼກເຌຆ ັໄຌຽຌັຈຽທກີຽຖຽດີ

ຂບຄ OSI ຆ ັໄຌຌີໄະຽປັຈໜໄາີໃ ເຌກາຌຘ ຺ໃຄຂ ໄຓຌູຏໃາຌຽບືຂໃາງຉໃາຄໂຉາຓຽຘັໄຌາຄ

ເນໄປບຈຎາງາຄຆຸຈຂ ໄຓຌູີໃ ດູໃເຌຆ ັໄຌຌີໄະຽບີໄຌທໃາ: ຑັກຽກຈັ (Packet) ຎົຉ

ບຌີຽປັຈທຼກໜໄາີໃ ນົກັເຌຆ ັໄຌຌີໄ ືIP (Internet Protocol)

ຌບກາກຎົຉບຌ IP ຖໄທງຄັຓເີຌຆ ັໄຌບຌິຽຉຽີຌັຈຌີໄງຄັຓີຎົຉ

ບຌບືໃ ຌໂີໃ ຆໃທງກາຌ າຄາຌຂບຄຎົຉບຌ IP ບກີຈໄທງ

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ICMP (Internet Control Message Protocol): ເຆໄຘ າຖຍັຖາງຄາຌຂ ໄຏິຈຑາຈ

ຖະນທໃາຄກາຌປຍັຘ ຺ໃຄຑັກຽກຈັ

IGMP (Internet Group Message Protocol): ເຆໄຘ າຖຍັຖາງຄາຌປຈີໃ ຽຎັຌ

ຘະຓາຆກິເຌກຍຸຂບຄຓຌັຉິາຘ (Multicast)

ARP (Address Resolution Protocol): ເຆໄຘ າຖຍັກາຌຎຄໝາງຽຖກ IP (IP

Address)

RARP (Reversed Address Resolution Protocol): າຄາຌເຌາຄ

ກຄ຺ກຌັຂໄາຓກຍັ ARP

1. ຽຌັຈຽທກີບກຽຆຘຽຖຽດີ (Network Layer)

ຉາຓຓາຈຉະຊາຌຖໄທ TCP/IP ຍ ໃ ແຈໄຓກີາຌກ າຌຈ຺ຓາຈຉະຊາຌຘ າຖຍັຆ ັໄຌ

ຽຌັຈຽທກີບກຽຆຘດໃາຄເຈກ ໃຉາຓ TCP/IP ຘາຓາຈເຆໄປ ໃທຓກຍັຽຌັຈຽທກີນົາງຎະຽຑຈ

ຈງຽຌັຈຽທກີີໃ ເຆໄຄາຌກຌັນົາງີໃ ຘຈຸ ື ບຽີີຽຌັຈຌ ັໄຌຽບຄ ຌບກາກຌີໄງຄັຘາຓາຈຘ ຺ໃຄ

ຏໃາຌຽຌັຈຽທກີບືໃ ຌໂຽຆັໃ ຌ: FDDI, ATM, X.25, Frame Relay ຖະ ISDN

ຽຎັຌຉ ຺ໄຌ

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