WLD99TM

LAN

ʱ LAN ߽ ۸ü ܸ ϴ , ġ ַ ߵǾ , ܸ ϰ Ƽ̵ ۿ Ʈ Կ ȭ ÿ ܸ ֱ Ͽ ġ ̿ ִ. (׸ 1) LAN Ϲ , ġ ߽ Ͽ ܸ Ǿ , ͸ Ͽ ߸ ӵǾ ܺο ϵ Ǿ ִ. Ϳ Ǿ ְ Ÿ ȿ ý ϰ ִ.

1980 LAN 10Mbps Ethernet Ȥ 16Mbps Token-Ring̾. LAN ϱ ӵ 3Mbps Ȥ 4Mbps̾ ӵ. Ұ ص ִ ְ ӵ 100Mbps(100VG-AnyLAN, Fast Ethernet, FDDI, ATM(25M Ȥ 155Mbps)), '98 622Mbps ATM Gigabit Ethernet Ͽ.

LAN Ȯ ް ִ Ethernet, Fast Ethernet, Gigabit Ethernet, ATM ̴. ȭ LAN Ethernet 70% ̻ ϰ , Fast Ethernet 3Com Ͽ 󺸴 ϰ ִ. , Gigabit Ethernet ǥ Ȯ ʾ ǰȭǾ , ATM ̹ θ ġǾ ִ FDDI ֱ ̰ ִ. ̵ ϰų ǥȭ Ǿ ְų ̿ ǰ̴.

ݸ鿡 ΰų ǥȭ Token-Ring, FDDI, 100VG-Any LAN Ȯ п νĵǰ ִ. Token-Ring Ethernet ŷڼ ְ, θ ǰ ִ SNA͵ ģȭ, , Ȯ Ͽ. FDDI ӵ ŷڼ ־ θ ġǾ , ATM ڸ ְ ִ. Hewlett Packard ް ִ 100VG-AnyLAN Fast Ethernet ӿ ұϰ ƴ ǰ , ִ. ֱٿ Hewlett Packard Fast Ethernet ִ. 25Mbps ATM IBM Madge ް , Fast Ethernet ߰ ִ.

1. Fast Ethernet

Fast Ethernet μ ӵ, 10Mbps Ethernet ȣȯ, īװ 3 5 UTP ̺ ɷ, ִ ݸ Ÿ Ѱ ϴ ū ǰ ִ. Fast Ethernet θ ޵Ǿ , 100VG AnyLAN ũ ִ.

2. Gigabit Ethernet

1995 11, IEEE 802.3 ǥȸ High-Speed Study Group , Ethernet Ŷ ʴ ⰡƮ ӵ ϱ ϱ Ͽ. 3Com IEEE ÿ 1ⰡƮ Ethernet ýۿ ǥϿ. 96 3 ̸ IEEE 802.3 ǥȸ 802.3z ⰡƮ ̴ ǥȭ Ʈ Ͽ, ̾ 5 3COM, Bay Networks, Cisco, Intel, LSI Logic, Packet Engines, Sun Microsystems, UB Networks VLSI Technology GEA(Gigabit Ethernet Alliance; ⰡƮ ̴ ) ἺϿ, 9 ִ ATM IBM FORE Systems GEA Ͽ. 97 7 (Steering Committee Member) 32 þ, 95 ȸ簡 տ ϰ ִ. ⰡƮ ̴ ǥؾ 802.3z 98 7 , ǥǾ, 802.3ab 99 ݱ ߿ Ϸ δ. ⰡƮ Ethernet 1,000Mbps ӵ, Ethernet Fast Ethernet ȣȯ, ǥ īװ 5 ̺ Fast Ethernet ϰ , Fast Ethernet ġ ϴ ־ ּ ̴. ݸ, Ÿ Ѱ ŷڼ( ATM ) ķ۽ 麻δ , ֿ Ʈ ϴ ִ. Bay, Cicso, 3Com ǰ õǾ , Prominet, Plaintree, Acacia, Foundry, Aleton, XLNT, Packet Engines, Gigalabs ұԸ ü ǰ ̰ ִ. ⰡƮ Ҹ а 700Mbps ۷ ¿ ִ.

3. ATM

ATM WAN Ͽ, ǰ LAN ռ ִ. ӵ(155/622Mbps) ϰ ְ, Ÿ ϰ, (Data Prioritization) QoS(Quality of Service) ϴٴ ִ ݸ, ī ġ ̸, LAN ȣ LAN ķ̼ ʿ ϸ, ִ. ATM ʹ ε ʹ ȭ ʿ Ͽ ȹ濡 Ͽ. ATM Ź ν LAN ķ̼ ּ ɷ ̰ , Fast Ethernet̳ Gigabit Ethernet ɰϴ ̰ ִ ݸ鿡 ο LAN ķ̼ ϱ⿡ ʹ ƴٴ ν ȮǾ ִ. ATM FDDI ̹ θ ޼ϰ ϰ ִ LAN ް ִ. ATM äϱ⿡ Ҿϰ, ̸, νĵǰ ִ. QoS ø̼ ǰ , ø̼ǿ Ҵ絵 Ұ ̴. ATM NIC ־, ÷Ȩ ȣ ϰ, ̸ ϰ ϴ ſ ̴.

Cisco, 3Com, FORE, Madge LAN ǰ ϰ , MAN/WANδ Newbridge, IBM, Lucent, Cisco(Stratacom), Ascend(Cascade) ǰ ̰ ִ.

4. FDDI

FDDI ŷڸ ް ִ θ ޵Ǿ ִ ̴. FDDI äϰ ִ ū н 90% ̻(Ethernet 50% 70% ) ɷ ϰ ־ ӵ ӵ ְ ִ. FDDI ұϰ ſ ̾, ٸ پ ִ ̴. Ư Gigibit Ethernet ATM FDDI Ҿ ִ.

Ʈ簡 ǥ LAN ġ ϸ, 97 85 ޷ ̸ LAN ġ Ը 98 2002 17% , 2002 208 ޷ ̸ ǰ ִ. ǰ , 10Mbps Ethernet ġ 2002 ŵ, 2002 58 ޷(98 45 ޷) ̸ ϰ ִ. , 98 49 ޷ ̸ ִ 100Mbps Ethernet ġ Ը 2002 93 ޷ ̸, 1Gbps Ethernet ġ 108% (1998~2002) , 98 2 ޷ ġ ϴ Ը 2002 31 ޷ ̸ ǰ ִ. ݸ鿡 96 4 ޷ ̸ FDDI ġ ޼ Ը پ 2002 2õ ޷ ġ ϰ, Token Ringġ 96 2 4õ ޷ ̸, پ 2002 8õ ޷ Ұ ǰ ִ. <J.H>