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6. Ʈ
6.1 ī ī PC Ʈ ִ ġ̰, NIC(NETWORK INTERFACE CARD) Ѵ. δ Ethernet 10M, 100M, ATM, 16M TOKEN ī ִ. μ 10M Ethernet ī尡 ̷ 100M Ethernet Ƽ鼭 ̴ ̴. δ 3COM, INTEL, SMC ȸ ܿ 븸 ɺ ִ. NIC ī ÿ ־ Name Value ִ ȸ縦 ϴ ͵ 븸굵 ʰ ȣȯ پ. ߿ ۾ ϴ 3COM, INTEL ž߰ Ӹ ʿ䰡 . 븸 꿡 ȣȯ ȵ ָ Դ 찡 ̹ ǰ̶ ū . PCI ī ִ. ĸ Ѵٸ PCI ī尡 ӵ ̴. ī ij̺ ٸ. ̴ RJ-45 ϴ TP ܿ 10BASE-2 ϴ BNC 10BASE-5 ϴ AUIƮ ִ. ī带 ̶ Ѵ. UTP ̺ ϰ ֱ RJ-45 ϴ TP ϴ ̴. 10BASE-2(THIN ̺) ̿ Ʈ ̶ BNC ִ ī带 Ѵ. - ̹ ̹ ̴ Ǵ ū Ʈ
Ʈ ̽ ϴ
Ʈ̴. ̹ ϵ ʱȭϰ Ʈ Ͽ
MAC LAYER ۸Ͽ LAYER Ѱִ
Ѵ. - ̹ 1) ̹(MONOLITHIC DRIVER) 2) ǥ ̹ -NDIS(Network Interface Driver Specification) MICROSOFT 3COM ߵ μ LAN MANAGER ̽ ǥ Ѵ. MANGER : PROTOCOL.INI
FILE κ MAC ̹ -ODI(Open Datalink Inerface) ̹ NOVELL ̽ MAC ̹ : ODI, SPEC
MAC DIRVER NET. CFG FILE о - PDS(Packet Driver Specification) DRIVER FTP Ʈ Ͽ ߵ ̹ .
6.2 ʹ ȣ ø ȴ. Ÿ Ϸ ȣ ٽ ȣ ؼ Ÿ . ϴ ̴ϴ. 꿡 Ǿ ְų 麻 ҰŸ餤 ̺ ״ϱ. ̺ ִ Ÿ ѵǾ ִ. ̺ ġ ̺ ̴ 185̰ β ̺ 쿡 500̴. ̷ ѵ Ÿ ȣ Ͽ μ Ʈũ ̸ Ȯ ϰ Ѵ. OSI(Open System Interconnection) 7 ߾ ȣ OSI 1 , (Physical Layer) ̷.
6.3 긮 긮 ٸ ϴ ٸ ֵ ٸ Ʈ ̿ ų Ѵٰ ȴ. ̷μ ȿ Ը Ʈ ȣ 浹 Ͼ Ȯ , ̷ 浹 ʿ ȣ ٸ Ѿ ϰ Ѿ ؼ Ѱִ ְ ȴ. 긮 ɰ Ƽ-ũ Ͽ Ȥ LAN ϳ LAN ְ Ÿ ִ LAN 뼱 WAN(Wide Area Network) ũ Ͽ ϳ Ѵ. WAN ũ Ÿ ־ սǷ ĿǷ ι(Line Backup) ϴ ũ ϴ . ʹ ȣ ɰ IP ּ ϰ Ʈũ Ʈκ پ ݵ Ͽ Ʈũ Ŷ ϴ Ƽ-ũ, Ƽ- Ѵ. ֱ 긮 ܵ ̴ Ϳ Ͷ Ҹ ϰ, 꿡 SWITCHING HUB Ҹ Ѵ.
6.4 HUB 带 ϱ ġ̴. ܼƮ Ƽ ܼƮ͵ ϰ پ. ֱ , 긮, ϳ ÷ ִ. ʿ ɸ ٷ · ϱ Ѵ. δ (Dummy) , ڸƮ , Ŀ ְ, ſ ϰ SOHO . ڸƮ Ʈ ϰ Ÿ ִ. δ. Ŀ Ը ũ̳ ϴ. Ƽ ڸ ʰ ŷ ̺ ϸ ӵ ϵ ְ ϱ . 긦 ϰų ̺ ִ Ȯϰ, ̺ ũν ̺ Ʈ ϰ Ǵϱ ̴. SOHO HUB ƿ ƮƮ ̺ε ϵ X-PORT ϱ Ѵ.
6.5 SWITCHING HUB SWITCH HUB PORT 긮 ִ Ͱ . Ʈ ڽ ȣ Ȯ ˱ HUB PORT ӵǴ ʷ ӵ ϵ ʰ 뿪 ִ ̴. ġ ϸ ߴ LAN ī, , ̺ ״ ִ. ġ ȴ ص Ϲ 꿡 δ. ȿ ŷ ִ ̴. Ʈ SERVER 븸 尡 SERVER ϰ Ǿ Ʈ л ʱ ̷ ū ȿ ƴ. ̰ 尡 ȿ ִ. ġ ־ ϴ Ѵٸ 뿪 2 þ ȴ. ġ Ī Ŀ ũ ִ. CUT THROUGH STORE & FORWARD ϳ ϱ ϰ ȥϿ ϱ Ѵ. ġ Űĺε ũ ϳ Ȯ强 ִ Ʈ ġ ϵ ġ ϵ ġ , ġ ŴƮ Ȱ ִ Ʈ ġ . ڸ о ð ϴ 3 ġ ִ ̳ δ ΰ Ȳ̴. ġ ¿ϴµ ִ. CPU ɰ ũ, MAC ADDRESS ũ Ȳ ֱ Ʈ ݿ ´ ġ Ͽ Ѵ. ߿ Ʈ л ִİ ̴. ߳ ʷ ִ. ġ غ Ʈ ý Ȯ强, ̼, ɰ , ġ ̼, 麻 , FAULT TOLERANCE VLAN ῡ ֹ ʰ ϴ ִ. Aڴ A Ǵ ̴. ڸ Űܼ ٸ A 鸸 ִ ְ ִ. VIRTUAL LAN ʿ伺
6.6 ʹ Ѹ θ ãְ ִ . 츮 ͳ ִ Ͱ ϱ ̴. ʹ WAN Ʈ LAN Ʈ Ǿ ְ Ʈ ٸ , RFC877(Requests For Comments) X.25 Ȥ (Frame Relay), PPP(Point-TO-Point) Ͽ ȯѴ. Ϲ ȯϴ WAN ȸ縶 Ȥ ٸ. 뼱 ٸ ȸ ͵ ̿ PPP ̿ϰ ٸ WAN ɼ δ Ϳ ϴ ǥȭ ִ. , ȸ Ͱ RFC877 Ѵٸ ٸ ȸ ǰ X.25 Ͽ ִ. 긮 OSI 7 ߾ 긮 2 ũ(Data Link Layer) Ͱ óǰ ʹ 3 Ʈũ(Network Layer) Ͱ óȴ. Ϲ κ ǸŵǴ ͳ״ 긮 ԵǾ ־ (BRouter : Bridge/Router) Ҹ. ֱ ʹ Ʈ Ʈ ִ 2/3 ġ ڸ ְ ܰ WAN ִ ̴. Ѵٸ Ƽ ִ ǰ Ѵ. ͳݸ Ѵٸ IP õǴ ǰ 絵 糪 ٸ Ʈ IPX/SPX NETBIOS Ѵٸ Ƽ ϴ ǰ ʿ伺 ̴. Ƽ ȵȴٸ 긮 ־ ڽ ó ٸ Ʈ ѱ ̴. κ Ϳ ʴ NETBEUI Ʈ ϰڴٸ 긮 ɸ ϴ.
6.7 DSU/CSU DSU CSU 츮 ̶ Ͻø ˴ϴ. ȣ Ƴαװ ƴ϶ и Ÿ Դϴ. 64/128K DSU ϰ ̻ ӵ 512K/T1(1.544Mbps)̻ CSU ϽŴٰ Ͻø ˴ϴ.
6.8 Ʈ Ʈ̴ ٸ ϴ Ʈ ߰ 뿪 شٰ ø ˴ϴ. IPX/SPX ϰ TCP/IP Ѵٸ Ʋ ǻ ȴ. ̷ ߰ G/W ġָ ϴϴ. G/W پմϴ. IBM ȣƮ TCP/IP SNA G/W, NOVELL NETWARE TCP/IP IPX G/W ִ.
6.9 Ŭ̾Ʈκ 䱸 ۾ Ͽ ٽ Ŭ̾Ʈ ִ Ѵ. , ִ ͼ , ִ. , ̳ ߸ Ʈ , , α Ʈ, , ѽ, , Ÿ ϵ ڿ ֵ Ѵ. ұԸ Ʈ 1 ϸ Ը Ʈ ϳ Ѵ. þƼ ϰ ȴ. , , ѽ, , , FTP, NEWS
6.10 NOS NOS Ʈ ü ϰ ϴ γ Ѵ. NOS ϴ ϴ ȴ. ֱٿ Ը ƴ Ը ƴϴ Ʈ ȿ NOS ϱ Ѵ. NOS . 6.10.1 NT ʰ NOS Ǿ NOS̴. پ ܰ踦 ġ鼭 ̷. 6.10.2 NETWARE NT ټ κ Ǿ Դ. ȼ پ Ը Ʈ ִ NDS ִ. ݿ 5.0 MOAB ִ. 6.10.3 UNIX ȭ(?) ģ NOSμ ͳ ü ص ƴ ̴. Ϻ Ƽŷ Ƽ ϸ ͳݰ Ʈ ڸ ִ NOS ̴. 6.10.4 LINUX ڶ ȵ帮ڽϴ. ֱ ް ִ NOS ְڽϴ. Ϻ Ƽŷ Ƽ ϸ鼭 Ʈ ִ NOS ̴. ΰ б Ǵ NOS ̴.
6.11 ̺ Ʈũ ġ ̺ Ǿ ġ ٸ ġ ϰ Ѵ. Ʈũ ÿ ִ ̺ Ϲ ũ ƮƼ ̺(Twisted-Pair Cable), ̺(Coaxial Cable), ̺(Fiber Optical Cable) зѴ. Ϲ ̺ ִ Ʈũ Ը ȣ Ͽ ϴ (Repeater) Ȥ ϸ Ÿ Ʈũ ϰ ϴ (Hub), ִ Ʈũ Ʈũ ִ 긮(Bridge) Ͽ Ÿ ִ. ü Ʈũ Ʈũ 忡 Ѱ谡 ִ. 6.11.1 ƮƼ ̺(Twisted Pair Cable) ƮƼ ̺ Ʈũ ϴ ̺ ġ ִ ̴̺. ̺ ϳ Ǿ ־ ܺο Ǵ κ ϰ RF(Radio Frequencies) 縦 δ. ܺηκ ϰ Ѵ. ƮƼ ̺ ġ UTP(Unshield Twisted Pair) ̺ UTP ġ UTP Ÿ ϴ STP(Shield Twisted Pair) ִ. ̵ Ϲ 긦 ̿Ͽ Ʈũ ȴ. UTP 꿡 ܸ ̼DZ ִ ִ Ÿ 100̰ STP 300̴. 6.11.2 ̺(Coaxial Cable) Ʈũ ÿ Ǵ ̺ ܺο ϴ ķκ ϰ 뿪 ϹǷ Ʈ Ʈũ ϴ(Backbone) ִ. ̺ ̺(Thin Coaxial Cable) β ̺(Thick Coaxial Cable) ִ. β ̺ Ʈ ġ ִ ̺ ̰ 500 ̰ ϳ Ʈ 100 带 ִ. ̺ Ʈ ġ ִ ̰ 185 ̰ ϳ Ʈ 30 带 ִ. 6.11.3 ̺(Optical Fiber Cable) 100Mbps ۷ ϴ ̺ öƽ ̺(Plastic-fiber Cable) ̺(Glass-fiber Cable) ִ. öƽ ̺ Ÿ ̺ ʰ Ұ ȵǴ ̴̺. Ϲ ̺ Ѵ. ̺ ̺ Ȥ ƮƼ ̺ ӵ Ÿ Ѵ. ̹Ƿ ܺηκ ʴ´. ̷ ̺ 1ųι(Km) ġǾ ӵ 100Mbps ̰ 500 쿡 200Mbps ӵ Ѵ. ϴ õ ̿ LED(Light-emitting Diode) ִ. ̿ LED ۷ Ѵ.
7. е Ƹ ø鼭 ӵ 10Mۿ ȵǴ ñϽ ̴ϴ. Gigabit(109) ȭ ܰ迡 ֽϴ. 麻̳ ῡ ̰ ְ ߿ . ٷ ܰ Ʒ̸鼭 10M 100M ȭ Ǿְ ̷ ִ. 10M ߾. 7.5.1 FDDI 1990 ANSI X3T9.5 ǥ Ǿ (Ʈ ִ 200Km 1000CONNECTION ) Ʈ ̸ ϴ FDDI Ʈ 麻 忡 Ȯ ġ ϰ ִ. ŷڼ ذ θ äǰ ֽϴ. FDDI ռ ϰ ִ ſ NIC ϰ Դϴ. ũž ӿ ̷ Ѵٴ ϱ FDDI īװ 5 UTP ۵Ų 쿡 ٸ ̱ Ƶ ũž ӿ ˸ ʰ 麻 ־ ݷƮ 麻 ̴.
7.3 ATM Ʈŷ ̷ þ ATM LAN WAN , 53BYTE CELL Ƽ÷̰ Ī ϴ ϰ, پ MEDIA TYPE پ ӵ ۵ϴ INTERFACE , , Ŀؼ Ѵ. ũ ž μ ȴ. ATM Ŀؼ Ư Ʈ ȯ濡 ū ȭ 䱸Ѵ. ATM Ʈ Ŀؼ ATM ݰ LAN ϰ ִ ĿؼǸ ߰踦 LANE(LAN EMULATION) ־ Ѵ. LANE ϸ Ű, ϸ, Ų. NOS ڿ Ŀؼ ϱ ATM 츱 ִ ø̼ ϱ ũ鿡 Ȱ ̴. ұϰ ķ۽ Ը Ʈ FDDI ATM 麻̳ Ʈ Ǿ ִ.
7.4 100VG-ANYLAN HP 100M LAN ݷμ ANYLN ӳƮ ̷̱ϴµ ־ ذش. ANYLAN ̴ݰ ū Ÿ ENCAPSULATION Ͽ ϹǷ ڿ ؼ ʿġ ʴ. ANYLAN ϰ ̺ ι Ȱ ִ. δ ANYLAN ٸ 䱸 켱(DEMAND PRIORITY) ν Ʈ ڳ ڴ ο ƾ Ѵٴ ̴. 100BASE-T 浹 ROUND ROBIN MAC ϱ ڳ ڿ ̳ ־ ο ֱ ũ ȰDZ δ.
7.5 100BASE-T 100BASE-T ϸ鼭 ڿ ״ ִٴ ̷ ִ. 100BASE-T ο NIC 긦 ʿ Ѵٴ ٸ ݱ , , ״ 츱 ִٴ ٸ ϴ. 100BASE-T Կ ϴ ū ̴. Ʈ 210m ̻ Ȯ ϰ Ʈ ִ 2 ȩ(HOP)ۿ 㰡 ʴ´. Ŀ 긦 ̿ Ʈ Ʈ ÷ ϰ ִ.
7.6 Ӹ MIGRATION Ʈ 1 ܰ : SHARD HUB -> 10/100Mbps SWITCH ġ - 10/100Base -T Switch 2 ܰ : POWER ڿ 100Mbps Ҵ - 100Base -T Hub 3 ܰ : WORKGROUP 100Mbps ü - 100Base -T ̽ ̱̼ ܰ躰 ҿ
8. ұԸ Ʈ 8.1 ұԸ Ʈ ұԸ Ʈ 5~20 Ŭ̾Ʈ ȯε 1 ó ִ. 8.2 ߱Ը 50~100 Ǵ Ŭ̾Ʈ Ը ġ Ǿִ.
9. Ʈ ̾߱ϵ ģ ȴ. ͺ䳪 ڽ 踸 Ʈ ݵ (?) ƿ ̴. 鼭 ߿ ϳ ͵ Ű ̴. ȸ糪 Ʈ Ѵٸ Ŵ ϰ θ ϱ ٶ. Ʈ ѹ ƴ϶ ȭ ϴ Ӿ ɰ ʿ Ѵ. ̷ ͵鸸 ٸ ư ֹ ƴ϶ ִ Ȱ ̴.
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