local area network (lan) - kasetsart university
TRANSCRIPT
![Page 1: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/1.jpg)
1
Local Area Network (LAN)
รศ.ดร.อนันต์ ผลเพิ่ม
Asso. Prof. Anan Phonphoem, [email protected]
http://www.cpe.ku.ac.th/~anan
Computer Engineering Department
Kasetsart University, Bangkok, Thailand
![Page 2: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/2.jpg)
2
Outline
Line Configuration
Topology
Multiple Access Protocol
LAN
Ethernet Address
![Page 3: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/3.jpg)
3
Line configuration
Defines the attachment of communication devices to a link
A link – A physical communication pathway
2 possible configurations
Point-to-point
Multipoint
![Page 4: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/4.jpg)
4
Point-to-point
Link between two devices
Use entire channel capacity for communication
Wire or wireless channel (link)
![Page 5: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/5.jpg)
5
Point-to-point
Satellite dish Satellite dish
Link
![Page 6: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/6.jpg)
6
Multipoint
More than 2 devices share a single link
Channel capacity is shared
Link
![Page 7: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/7.jpg)
7
Topology
The way a network is physically or logically layout
2 or more devices connected to a link
2 or more links form a topology
Basic topologies• Mesh
• Star
• Tree
• Bus
• Ring
• Hybrid
![Page 8: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/8.jpg)
8
Mesh Topology
Each device has a dedicated point-to-point link
total links = n(n-1)/2
![Page 9: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/9.jpg)
9
Mesh Topology
Advantages High throughput
Robust
High Security
Easy to cope with fault
Disadvantages Number of cables – space & cost (material, install.)
Number of I/O ports
Difficult to reconfigure
Usage Backbone connecting
![Page 10: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/10.jpg)
10
Star Topology
Each device has a dedicated point-to-point link to a central controller (Hub)
ACTACT10M100M
1 2 3 4
13 14 15 16
5 6 7 8
17 18 19 20
9 10 11 12
21 22 23 24
UPLINK
1 2 3 4 5 6 7 8 9 101112
131415161718192021222324COLCOL
PWR
SWITCH
![Page 11: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/11.jpg)
11
Tree Topology A variation of star
ACTACT10M100M
1 2 3 4
13 14 15 16
5 6 7 8
17 18 19 20
9 10 11 12
21 22 23 24
UPLINK
1 2 3 4 5 6 7 8 9 101112
131415161718192021222324COLCOL
PWR
SWITCH
ACTACT10M100M
1 2 3 4
13 14 15 16
5 6 7 8
17 18 19 20
9 10 11 12
21 22 23 24
UPLINK
1 2 3 4 5 6 7 8 9 101112
131415161718192021222324COLCOL
PWR
SWITCHACTACT
10M100M1 2 3 4
13 14 15 16
5 6 7 8
17 18 19 20
9 10 11 12
21 22 23 24
UPLINK
1 2 3 4 5 6 7 8 9 101112
131415161718192021222324COLCOL
PWR
SWITCH
![Page 12: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/12.jpg)
12
Bus Topology
Each node connects to the Bus (a long cable running as a backbone)
Terminator
![Page 13: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/13.jpg)
Bus Topology
13
http://www.windowsnetworking.com/j_helmig/thin.htm
![Page 14: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/14.jpg)
14
Bus Topology
Advantages
Easy to install
Less cable compare to other topologies
Disadvantages
Difficult to cope with fault
Difficult to modify
Not robust
![Page 15: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/15.jpg)
15
Ring Topology
Each device has a dedicated point-to-point with its neighbors
![Page 16: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/16.jpg)
16
Ring Topology
Advantages
Easy to install
Easy to cope with fault
Disadvantages
Not robust
![Page 17: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/17.jpg)
17
Hybrid Topologies
ACTACT10M100M
1 2 3 4
13 14 15 16
5 6 7 8
17 18 19 20
9 10 11 12
21 22 23 24
UPLINK
1 2 3 4 5 6 7 8 9 101112
131415161718192021222324COLCOL
PWR
SWITCH
ACTACT10M100M
1 2 3 4
13 14 15 16
5 6 7 8
17 18 19 20
9 10 11 12
21 22 23 24
UPLINK
1 2 3 4 5 6 7 8 9 101112
131415161718192021222324COLCOL
PWR
SWITCH
![Page 18: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/18.jpg)
18
Multiple Access Protocol
![Page 19: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/19.jpg)
19
Random Access Evolution
MAMultiple access
CSMACarrier sense
Multiple access
CSMA/CDCarrier sense
Multiple accessCollision detect
CSMA/CACarrier sense
Multiple accessCollision avoidance
![Page 20: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/20.jpg)
Transmission on a shared bus
20http://cnp3book.info.ucl.ac.be/1st/html/lan/lan.html
![Page 21: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/21.jpg)
Collision on a shared bus
21http://cnp3book.info.ucl.ac.be/1st/html/lan/lan.html
![Page 22: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/22.jpg)
22
Collision in CSMA
![Page 23: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/23.jpg)
Collision in CSMA
23http://www.spectrose.com/what-is-ethernet-how-it-works.html
![Page 24: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/24.jpg)
24
CSMA/CD
![Page 25: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/25.jpg)
25
CSMA/CD animation
![Page 26: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/26.jpg)
26
CSMA/CD
CRS
collision
CRS
CRS
CRS
defer
defer
X
Y
Z
Modified from Lucent Slide
![Page 27: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/27.jpg)
27
CSMA/CA
![Page 28: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/28.jpg)
28
CSMA/CA
defer
CRS
CRS
defer
defer
CRS CRS
defer
X
Y
Z
Modified from Lucent Slide
![Page 29: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/29.jpg)
29
Token passing
![Page 30: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/30.jpg)
30
Token passing procedure
![Page 31: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/31.jpg)
31
Token Ring animation
![Page 32: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/32.jpg)
32
Ethernet
For Baseband:
Manchester Encoding
For Broadband (not popular):
Differential PSK (10Broad36)
![Page 33: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/33.jpg)
33
Notation
Thicknet
![Page 34: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/34.jpg)
34
10BASE5
![Page 35: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/35.jpg)
35
Notation
![Page 36: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/36.jpg)
36
10Base2
![Page 37: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/37.jpg)
37
Notation
![Page 38: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/38.jpg)
38
10BaseT
![Page 39: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/39.jpg)
39
100Base-TX
![Page 40: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/40.jpg)
40
1000Base-X
![Page 41: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/41.jpg)
41
Token Ring
Differential Manchester encoding
Support up to 16 Mbps
3 types of frames:
Data/command
Token
Abort
![Page 42: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/42.jpg)
“Logical” Ring Topology
42https://www.microsoft.com/mspress/books/sampchap/5202/0735613788-07.gif
![Page 43: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/43.jpg)
43
MAU
![Page 44: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/44.jpg)
44
Token Ring Switch
![Page 45: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/45.jpg)
45
FDDI Rings
![Page 46: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/46.jpg)
46
FDDI Ring Failure
![Page 47: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/47.jpg)
FDDI
47http://flylib.com/books/2/59/1/html/2/images/1587050900/graphics/05fig08.gif
![Page 48: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/48.jpg)
Ethernet Address
Each device has a network interface card (NIC)
Can be called
MAC Address / Physical Address / Ethernet Address
Each NIC has a 6-byte address
Written in Hexadecimal notation
00-E0-00-AB-04-50
![Page 49: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/49.jpg)
Ethernet Address
Unicast Address
(for source and Destination)
00-E0-00-AB-04-50
Broadcast Address FF-FF-FF-FF-FF-FF
Multicast Address 11-C0-02-D9-12-77
![Page 50: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/50.jpg)
Find your NIC’s Vendor
Open terminal and find your MAC Address
Visit https://macvendors.com
Enter your mac address vendor
50
00-E0-00-AB-04-50
OUI: Organizational Unique Identifier
![Page 51: Local Area Network (LAN) - Kasetsart University](https://reader030.vdocuments.net/reader030/viewer/2022012205/61dea40181bc07280e6a8063/html5/thumbnails/51.jpg)
51
Summary
Line Configuration
Topology
Multiple Access Protocol
LAN
Ethernet
Token Ring / FDDI
Ethernet Address