Introduction 1-1 Chapter 1 Introduction Computer Computer Science Engineering (CSE) Notes | EduRev

Computer Science Engineering (CSE) : Introduction 1-1 Chapter 1 Introduction Computer Computer Science Engineering (CSE) Notes | EduRev

 Page 1


Introduction 1-1 
Chapter 1 
Introduction 
Computer 
Networking: A T op 
Down Approach  
6
th
 edition  
Jim Kurose, Keith Ross 
Addison-Wesley 
March 2012 
A note on the use of these ppt slides: 
We’re making these slides freely available to all (faculty, students, readers). 
They’re in PowerPoint form so you see the animations; and can add, modify, 
and delete slides  (including this one) and slide content to suit your needs. 
They obviously represent a lot of work on our part. In return for use, we only 
ask the following: 
 
 
? If you use these slides (e.g., in a class) that you mention their source 
(after all, we’d like people to use our book!) 
? If you post any slides on a www site, that you note that they are adapted 
from (or perhaps identical to) our slides, and note our copyright of this 
material. 
 
Thanks and enjoy!  JFK/KWR 
 
     All material copyright 1996-2012 
     J.F Kurose and K.W. Ross, All Rights Reserved 
Page 2


Introduction 1-1 
Chapter 1 
Introduction 
Computer 
Networking: A T op 
Down Approach  
6
th
 edition  
Jim Kurose, Keith Ross 
Addison-Wesley 
March 2012 
A note on the use of these ppt slides: 
We’re making these slides freely available to all (faculty, students, readers). 
They’re in PowerPoint form so you see the animations; and can add, modify, 
and delete slides  (including this one) and slide content to suit your needs. 
They obviously represent a lot of work on our part. In return for use, we only 
ask the following: 
 
 
? If you use these slides (e.g., in a class) that you mention their source 
(after all, we’d like people to use our book!) 
? If you post any slides on a www site, that you note that they are adapted 
from (or perhaps identical to) our slides, and note our copyright of this 
material. 
 
Thanks and enjoy!  JFK/KWR 
 
     All material copyright 1996-2012 
     J.F Kurose and K.W. Ross, All Rights Reserved 
Introduction 
Chapter 1: introduction 
our goal:  
? get “feel” and 
terminology 
? more depth, detail 
later in course 
? approach: 
? use Internet as 
example 
 
overview: 
? what’s the Internet? 
? what’s a protocol? 
? network edge; hosts, access net, 
physical media 
? network core: packet/circuit 
switching, Internet structure 
? performance: loss, delay, 
throughput 
? security 
? protocol layers, service models 
? history 
 
1-2 
Page 3


Introduction 1-1 
Chapter 1 
Introduction 
Computer 
Networking: A T op 
Down Approach  
6
th
 edition  
Jim Kurose, Keith Ross 
Addison-Wesley 
March 2012 
A note on the use of these ppt slides: 
We’re making these slides freely available to all (faculty, students, readers). 
They’re in PowerPoint form so you see the animations; and can add, modify, 
and delete slides  (including this one) and slide content to suit your needs. 
They obviously represent a lot of work on our part. In return for use, we only 
ask the following: 
 
 
? If you use these slides (e.g., in a class) that you mention their source 
(after all, we’d like people to use our book!) 
? If you post any slides on a www site, that you note that they are adapted 
from (or perhaps identical to) our slides, and note our copyright of this 
material. 
 
Thanks and enjoy!  JFK/KWR 
 
     All material copyright 1996-2012 
     J.F Kurose and K.W. Ross, All Rights Reserved 
Introduction 
Chapter 1: introduction 
our goal:  
? get “feel” and 
terminology 
? more depth, detail 
later in course 
? approach: 
? use Internet as 
example 
 
overview: 
? what’s the Internet? 
? what’s a protocol? 
? network edge; hosts, access net, 
physical media 
? network core: packet/circuit 
switching, Internet structure 
? performance: loss, delay, 
throughput 
? security 
? protocol layers, service models 
? history 
 
1-2 Introduction 
Chapter 1: roadmap 
1.1 what is the Internet? 
1.2 network edge 
? end systems, access networks, links 
1.3 network core 
? packet switching, circuit switching, network structure 
1.4 delay, loss, throughput in networks 
1.5 protocol layers, service models 
1.6 networks under attack: security 
1.7 history 
 
1-3 
Page 4


Introduction 1-1 
Chapter 1 
Introduction 
Computer 
Networking: A T op 
Down Approach  
6
th
 edition  
Jim Kurose, Keith Ross 
Addison-Wesley 
March 2012 
A note on the use of these ppt slides: 
We’re making these slides freely available to all (faculty, students, readers). 
They’re in PowerPoint form so you see the animations; and can add, modify, 
and delete slides  (including this one) and slide content to suit your needs. 
They obviously represent a lot of work on our part. In return for use, we only 
ask the following: 
 
 
? If you use these slides (e.g., in a class) that you mention their source 
(after all, we’d like people to use our book!) 
? If you post any slides on a www site, that you note that they are adapted 
from (or perhaps identical to) our slides, and note our copyright of this 
material. 
 
Thanks and enjoy!  JFK/KWR 
 
     All material copyright 1996-2012 
     J.F Kurose and K.W. Ross, All Rights Reserved 
Introduction 
Chapter 1: introduction 
our goal:  
? get “feel” and 
terminology 
? more depth, detail 
later in course 
? approach: 
? use Internet as 
example 
 
overview: 
? what’s the Internet? 
? what’s a protocol? 
? network edge; hosts, access net, 
physical media 
? network core: packet/circuit 
switching, Internet structure 
? performance: loss, delay, 
throughput 
? security 
? protocol layers, service models 
? history 
 
1-2 Introduction 
Chapter 1: roadmap 
1.1 what is the Internet? 
1.2 network edge 
? end systems, access networks, links 
1.3 network core 
? packet switching, circuit switching, network structure 
1.4 delay, loss, throughput in networks 
1.5 protocol layers, service models 
1.6 networks under attack: security 
1.7 history 
 
1-3 Introduction 
What’s the Internet: “nuts and bolts” view 
?millions of connected 
computing devices:  
? hosts = end systems  
? running network apps 
?communication links 
? fiber, copper, radio, 
satellite 
? transmission rate: 
bandwidth 
?Packet switches: forward 
packets (chunks of data) 
? routers and switches 
 
wired 
links 
wireless 
links 
router 
mobile network 
global ISP 
regional ISP 
home  
network 
institutional 
       network 
smartphone 
PC 
server 
wireless 
laptop 
1-4 
Page 5


Introduction 1-1 
Chapter 1 
Introduction 
Computer 
Networking: A T op 
Down Approach  
6
th
 edition  
Jim Kurose, Keith Ross 
Addison-Wesley 
March 2012 
A note on the use of these ppt slides: 
We’re making these slides freely available to all (faculty, students, readers). 
They’re in PowerPoint form so you see the animations; and can add, modify, 
and delete slides  (including this one) and slide content to suit your needs. 
They obviously represent a lot of work on our part. In return for use, we only 
ask the following: 
 
 
? If you use these slides (e.g., in a class) that you mention their source 
(after all, we’d like people to use our book!) 
? If you post any slides on a www site, that you note that they are adapted 
from (or perhaps identical to) our slides, and note our copyright of this 
material. 
 
Thanks and enjoy!  JFK/KWR 
 
     All material copyright 1996-2012 
     J.F Kurose and K.W. Ross, All Rights Reserved 
Introduction 
Chapter 1: introduction 
our goal:  
? get “feel” and 
terminology 
? more depth, detail 
later in course 
? approach: 
? use Internet as 
example 
 
overview: 
? what’s the Internet? 
? what’s a protocol? 
? network edge; hosts, access net, 
physical media 
? network core: packet/circuit 
switching, Internet structure 
? performance: loss, delay, 
throughput 
? security 
? protocol layers, service models 
? history 
 
1-2 Introduction 
Chapter 1: roadmap 
1.1 what is the Internet? 
1.2 network edge 
? end systems, access networks, links 
1.3 network core 
? packet switching, circuit switching, network structure 
1.4 delay, loss, throughput in networks 
1.5 protocol layers, service models 
1.6 networks under attack: security 
1.7 history 
 
1-3 Introduction 
What’s the Internet: “nuts and bolts” view 
?millions of connected 
computing devices:  
? hosts = end systems  
? running network apps 
?communication links 
? fiber, copper, radio, 
satellite 
? transmission rate: 
bandwidth 
?Packet switches: forward 
packets (chunks of data) 
? routers and switches 
 
wired 
links 
wireless 
links 
router 
mobile network 
global ISP 
regional ISP 
home  
network 
institutional 
       network 
smartphone 
PC 
server 
wireless 
laptop 
1-4 Introduction 
“Fun” internet appliances 
IP picture frame 
http://www.ceiva.com/ 
Web-enabled toaster + 
weather forecaster 
Internet phones 
Internet  
refrigerator 
Slingbox: watch, 
control cable TV remotely 
1-5 
Tweet-a-watt:  
monitor energy use 
Read More
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