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LAN Standards and Equipments: Understanding LAN Technologies and Devices, Slides of Network security

An overview of lan standards, topologies, access methods, and equipments. Topics include bluetooth, lan topologies (bus, star, ring), access methods (csma/cd, token bus, token ring, csma/ca), dqdb, 802.3 vs. 802.5 vs. Fddi, token-passing vs. Csma/cd, baseband vs. Broadband, transmission techniques, media types, and naming (baseband, bandwidth, type). Discussions cover 10base5 vs. 10base2, utp, bridging/switching devices (repeater, hub, bridge, switch, router, nat, web switching, application gateways), and more.

Typology: Slides

2012/2013

Uploaded on 04/22/2013

sathaye
sathaye 🇮🇳

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LAN Standards and Equipments

LAN Standards

LAN Standards

LAN Standards

Bluetooth is also coming out soon.

Physical Star and Logical Ring

LAN Access Methods

• CSMA/CD

• Token Bus

• Token Ring

• CSMA/CA

Token Ring

Distributed Queue Dual Bus (DQDB)

Token-Passing v.s. CSMA/CD

During congestion, token-based scheme is better than Ethernet.

However, given Gigabit/sec BW, who cares? 7- 13

Baseband v.s. Broadband

Transmission Techniques

Media Types and Naming

Baseband

Bandwidth

Type

10Base5 v.s. 10Base2 (for cable)

Thick cable Thin cable

Bridging/Switching Devices

• Layer 1: Repeater or hub

• Layer 2: Bridge or switch

• Layer 3: Router

• Layer 4: NAT, etc.

• Layer 7: Web switching, Application

gateways, etc.

Switching hub?