osi model network layer ppt
Tài liệu Chapter 5 - OSI Network Layer CCNA Exploration version 4.0 ppt
Ngày tải lên :
22/12/2013, 13:17
... 39
Network Layer Protocols and Internet Protocol (IP)
Học viện mạng Bách khoa - Website: www.bkacad.com 3
• Define the basic role of the Network Layer in data networks
• The protocols of the OSI ... networks
• The protocols of the OSI model Network layer specify addressing and
processes that enable Transport layer data to be packaged and
transported. The Network layer encapsulation allows its ...
the control communication
between the Data Link layer and
the Network layer is the
establishment of a maximum size
for the packet.
Network Layer Fields
Học viện mạng Bách khoa - Website:...
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Tài liệu Lab 2.3.7 OSI Model Characteristics and Devices pptx
Ngày tải lên :
21/12/2013, 19:15
... each layer. Also list the networking devices that operate at each layer, if applicable.
Layer # Name Encapsulation Unit
or Logical Grouping
Devices or
Components that
Operate at this Layer ... 2 - 2 CCNA 1: Networking Basics v 3.0 - Lab 2.3.7 Copyright 2003, Cisco Systems, Inc.
2. List the seven layers of the OSI model and the encapsulation unit used to...
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Tài liệu The OSI Model: Understanding the Seven Layers of Computer Networks ppt
Ngày tải lên :
24/01/2014, 09:20
... faster.
Layer 3 – The Network Layer
Layer 3, the network layer of the OSI model, provides an end-to-end logical addressing system so that a packet
of data can be routed across several layer 2 networks ... 9
T
he TCP/IP model uses four layers to perform the functions of the seven -layer OSI model.
The network access layer is functionally equal to a combination of OSI physical and data link layers (1 ... differently layered arrangement.
An Overview of the OSI Model
Paul Simoneau, Global Knowledge Course Director, Network+ , CCNA, CTP
The OSI Model: Understanding the
Seven Layers of Computer Networks
Copyright...
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Hình ảnh Protocols in relation to the OSI model.doc
Ngày tải lên :
24/08/2012, 21:11
... Session
Network
Data link
Physical
zone 1
zone 2
H2:H.323 Protocols in relation to the OSI model
G.711
G.722
G.728
G.729
G.723.1.1
Presentation
H.261 ... I/O
Equipment
Audio I/O
Equipment
User Data
Applications
System
Control
User
Interface
H.225.0
Layer
Locall
Area
Network
Intererface
recovery
Path
Delay
Video
codec
H261,
H263
Audio
condec
G711, G722,...
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Network Layer
Ngày tải lên :
12/09/2012, 15:06
... link
Network Layer 4-11
Network layer connection and
connection-less service
❒
datagram network provides network- layer
connectionless service
❒
VC network provides network- layer
connection service
❒
analogous ... conventions
ICMP protocol
•error reporting
•
router “signaling”
Transport layer: TCP, UDP
Link layer
physical layer
Network
layer
Network Layer 4-41
IP addressing: CIDR
CIDR: Classless InterDomain Routing
❍
subnet ... datagram)
Input
Port
Output
Port
Memory
System Bus
Network Layer 4-9
Network layer service models:
Network
Architecture
Internet
ATM
ATM
ATM
ATM
Service
Model
best effort
CBR
VBR
ABR
UBR
Bandwidth
none
constant
rate
guaranteed
rate
guaranteed...
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The network layer Addressing and routing
Ngày tải lên :
17/09/2012, 09:13
... supposed that 2 IP sub -network share physically the same LAN. The stations on each
sub -network then will see circulating all the packets diffused on the physic network.
1
The network layer
Addressing ... rental
lease)
7
- Engineers network link: 2B-14-62-91-C9-B1
- Engineers network link towards the external router: 2B-14-62-3F-39-21
- Commercial network link: 1C-96-AA-F4-C2-91
- Commercial network link towards ... 194.12.230.140.
1. Propose a mask of sub -network for the network of company.
194.12.230.0 is a Class C address, the last byte must be used to encode the numbers of
sub -network and the numbers of hosts...
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A Knowledgeable Model: Network of C-Objects
Ngày tải lên :
18/09/2012, 10:13
...
O
4
.a, O
2
.b, O
2
.c, O
2
.a}. �
5 Comments
Network of C-objects is a useful model. It can be used to represent knowledge in intelligent systems. This
model can be researched and developed more ... McGrawHill, 1994.
[8] P.H.Winston, Artificial Intelligence, Addison-Weysley, 1993.
A Knowledgeable Model:
Network of C-Objects
Hoang Kiem - Do Van Nhon - Le Hoai Bac
Information Technology Department
University ... t
m
(A
m-1
), and D(A) = A
m
,
we have A
0
⊆ A
1
⊆ . . . ⊆ A
m
= D(A) ⊆ M.
A problem A → B on a network (O,F) is called solvable if and only if there is a sequence D ⊆ F ∪ O such
that D(A) ⊇...
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Tài liệu Module 5: Managing the Business Logic Layer pptx
Ngày tải lên :
10/12/2013, 16:16
... implicit.
Module 5: Managing the Business Logic Layer 41
The Predictor offers two types of analysis models:
Predictor model
The Predictor model is used to provide real-time purchase recommendations ... targeting
content
Use the Predictor resource to build analysis models that
predict users’ shopping interests
Segment model
Predictor model
*****************************I
LLEGAL FOR
N
ON
-T
RAINER ... unknown profile properties about users.
A Predictor model summarizes the relationships in the data in the form of
rules.
For example, a Predictor model may predict that if a visitor of a site is...
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Tài liệu MCSA/MCSE Exam 70-291: Implementing, Managing, and Maintaining a Windows Server 2003 Network Infrastructure pptx
Ngày tải lên :
10/12/2013, 17:15
... in-depth look at the OSI
model to understand how the OSI model expands upon the functionality defined in the
DoD model.
Understanding the OSI Model
The Open Systems Interconnection (OSI) model was originally ... suite.
Layer One: Network Interface
The Network Interface layer of the DoD model corresponds to the lowest level of the
TCP/IP protocol architecture and correlates to Layers 1 and 2 in the OSI model. The
Network ... later in this chapter.
Layer Four: Application
The Application layer of the DoD model operates at the Session, Presentation, and
Application layers of the OSI model. This layer enables applications...
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