osi network layer
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 ...
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: ... 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 contents...
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SANS Institute InfoSec Reading Room: Applying the OSI Seven Layer Network Model To Information Security pptx
Ngày tải lên :
05/03/2014, 21:20
... 1999
URL:http://mike.passwall.com/networking/netmodels/isoosi7layermodel.html
[4] R Feig, “The OSI Reference Model”, Date Unknown,
URL:http://www2.rad.com/networks/1994 /osi/ osi.htm
[5] H S Ha, OSI 7 Layer , 2000
URL:http://userpages.umbc.edu/~hha1 /network/ protocol.html
[6] ... Room Author retains full rights.
Page 9 Applying the OSI seven -layer model to Information Security
Layer Three - Network Layer
The Network layer is concerned with the global topology of the internet ... Applying the OSI seven -layer model to Information Security
Layer Six- Presentation Layer
The Presentation Layer deals with the organization of data passed from the
application layer into the network. ...
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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 ... loss)
no
congestion
no
congestion
yes
no
Guarantees ?
Network Layer 4-31
The Internet Network layer
forwarding
table
Host, router network layer functions:
Routing protocols
•path selection
•
RIP,...
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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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Tài liệu Chapter 8 - OSI Physical Layer CCNA Exploration 4.0 pdf
Ngày tải lên :
22/12/2013, 13:17
... Transport layer, placed into
packets by the Network layer, and further encapsulated as
frames by the Data Link layer. The purpose of the Physical
layer is to create the electrical, optical, ... context to give them
meaning to the upper layers of the networking model. This
framing method can be provided by the Data Link layer, the
Physical layer, or by both.
• Signal patterns can indicate: ... as network adapters (NICs),
interfaces and connectors, cable materials, and cable
designs are all specified in standards associated with the
Physical layer.
Characteristics & Uses of Network...
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Tài liệu Chapter 4 - OSI Transport Layer CCNA Exploration version 4.0 docx
Ngày tải lên :
22/12/2013, 13:17
... numbers
– FIN: No more data from sender
Transport Layer Role and Services
• Major functions of the transport layer and the role it plays in data
networks
– Tracking the individual communication ... viện mạng Bách khoa - Website: www.bkacad.com 29
Transport Layer Role and Services
• Describe the role of segments in the transport layer
and the two principle ways segments can be marked
for ... Bách khoa - Website: www.bkacad.com 25
Transport Layer Role and Services
Học viện mạng Bách khoa - Website: www.bkacad.com 9
• At the Transport layer the three basic operations of reliability...
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Chapter 19 Network Layer: Logical Addressing potx
Ngày tải lên :
06/03/2014, 12:20
... discussed in this section:
19.7
Numbering systems are reviewed in
Appendix B.
Note
19.1
Chapter 19
Network Layer:
Logical Addressing
Copyright © The McGraw-Hill Companies, Inc. Permission required for ... ISP
19.32
The first address in a block is
normally not assigned to any device;
it is used as the network address that
represents the organization
to the rest of the world.
Note
19.49
19-2 IPv6 ... Appendix B) and add dots for
separation.
19.48
Figure 19.13 An ISP and NAT
19.31
Figure 19.4 A network configuration for the block 205.16.37.32/28
19.30
c. The number of addresses can be found...
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Chapter 20 Network Layer: Internet Protocol pot
Ngày tải lên :
06/03/2014, 12:20
... The protocol field is the next byte (02),
which means that the upper -layer protocol is
IGMP.
Example 20.4
20.10
Figure 20.4 Position of IPv4 in TCP/IP protocol suite
20.22
In an IPv4 packet, the ... bytes are the options.
Example 20.2
20.41
Table 20.6 Next header codes for IPv6
20.1
Chapter 20
Network Layer:
Internet Protocol
Copyright © The McGraw-Hill Companies, Inc. Permission required for ... of
data (40 20).−
Example 20.3
20.50
Figure 20.20 Tunneling strategy
20.7
Switching at the network layer in the
Internet uses the datagram approach to
packet switching.
Note
20.9
20-2 IPv4
20-2...
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Chapter 21 Network Layer: Address Mapping, Error Reporting, and Multicasting pdf
Ngày tải lên :
06/03/2014, 12:20
... discussed in this section:
Topics discussed in this section:
21.38
Imagine there are three hosts in a network, as shown in
Figure 21.19. A query message was received at time 0; the
random delay time...
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Chapter 22 Network Layer: Delivery, Forwarding, and Routing ppt
Ngày tải lên :
06/03/2014, 12:20
... not
match the corresponding network address.
2. The second mask (/25) is applied to the destination
address. The result is 201.4.22.0, which does not
match the corresponding network address (row 2).
22.43
Figure ... match the
corresponding network address.
2. The second mask (/25) is applied to the destination
address. The result is 180.70.65.128, which matches the
corresponding network address. The next-hop ... Direct and indirect delivery
22.24
Example 22.6 (continued)
The destination column here defines the network address.
The term gateway used by UNIX is synonymous with
router. This column actually...
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Mobile and wireless communications network layer and circuit level design Part 1 potx
Ngày tải lên :
21/06/2014, 14:20
... chapters related to Network Aspects and Applications of Ad
Hoc, Sensor and Mesh Networks. In this section, the network layer design in cellular, ad hoc,
sensor and mesh networks for specic ... on various network parameters, such as the network throughput or the CBP
achieved, to ensure that no SC or user class dominates the network resources.
3. Mobile & Wireless Networks Modeling ... Communications: Network layer and circuit level design,
Edited by Salma Ait Fares and Fumiyuki Adachi
p. cm.
ISBN 978-953-307-042-1
MobileandWirelessCommunications: Network layer andcircuitleveldesign6
...
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Mobile and wireless communications network layer and circuit level design Part 2 potx
Ngày tải lên :
21/06/2014, 14:20
... reserves. Both networking scenarios
are having high application value in WSN arena, an all-to-all networking scenario and a
mobile data collector based data collection network. In both networks we ...
node
MobileandWirelessCommunications: Network layer andcircuitleveldesign40
Fig. 1. - An all-to-all network consisting of six nodes.
The network model assumes followings;
Nodes ...
min
R ,
MobileandWirelessCommunications: Network layer andcircuitleveldesign42
Definition 1. Limited Capacity Network: A multi-casting network satisfying the equation (8)
on the number...
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Mobile and wireless communications network layer and circuit level design Part 3 pot
Ngày tải lên :
21/06/2014, 14:20
... IQMESH network chaining is
shown in Fig. 5.
Two networks in Fig. 5, Network 1 and Network 2, are independent IQRF wireless
networks. Every such network has one Coordinator (C) and one or more ... in the Network 1 and
simultaneously create own Network 2 as its Coordinator. Listening communication in both
networks, some packets received in the Network 1 would be forwarded to the Network ... IQMESH network chaining is
shown in Fig. 5.
Two networks in Fig. 5, Network 1 and Network 2, are independent IQRF wireless
networks. Every such network has one Coordinator (C) and one or more...
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Mobile and wireless communications network layer and circuit level design Part 5 docx
Ngày tải lên :
21/06/2014, 14:20
... at overcoming the opposing
substrate requirements of circuits and antennas. These largely involve the use of layered
materials with high and low permittivities in adjacent layers (Chen, 2008). ... 2008). However such
8
MobileandWirelessCommunications: Network layer andcircuitleveldesign116
ground plane etched on the opposite side of the dielectric substrate. It provides a bandwidth ... gallium arsenide substrate with the feed network, and
the radiating elements located on an adjacent (low dielectric constant) substrate, and
coupled to the feed network through apertures in the ground...
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Mobile and wireless communications network layer and circuit level design Part 7 docx
Ngày tải lên :
21/06/2014, 14:20
... the deposition of a 500 nm thick graded
AlGaN layer on the substrate to reduce the number of threading dislocations in the GaN
buffer layer due to the lattice mismatch between GaN and SiC layers. ... buffer layer is then deposited to get lower
background carrier concentration, which accordingly results in increased electron mobility
in the above unintentionally doped layers. The buffer layer ... passivation layer is then deposited to
reduce the surface trapping induced drain-current dispersion. Field plate connected to the
gate, at the gate pad, and deposited over the passivation layer was...
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- osi network layers used by tcpip
- osi network layers explained
- osi network layer chapter 5
- osi network layer pdf
- osi network layer functions
- osi network layer protocols
- osi network layer ppt
- osi network layer 3
- key functions of osi network layer
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