common network layer protocols
Network Layer
... 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 ... loss)nocongestionnocongestionyesnoGuarantees ? Network Layer 4-31The Internet Network layer forwardingtableHost, router network layer functions:Routing protocols •path selection•RIP, OSPF, BGPIP ... conventionsICMP protocol•error reporting•router “signaling”Transport layer: TCP, UDPLink layer physical layer Network layer Network Layer 4-41IP addressing: CIDRCIDR: Classless InterDomain Routing❍subnet...
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The network layer Addressing and routing
... supposed that 2 IP sub -network share physically the same LAN. The stations on eachsub -network then will see circulating all the packets diffused on the physic network. 1The network layer Addressing ... rentallease)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 ofsub -network and the numbers of hosts...
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Tài liệu Chapter 5 - OSI Network Layer CCNA Exploration version 4.0 ppt
... www.bkacad.com 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 ... the control communication between the Data Link layer and the Network layer is the establishment of a maximum size for the packet. Network Layer FieldsHọc 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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Network Security Protocols: Analysis methods and standards potx
... of Octopus and Related Protocols Analysis of the IEEE 802.16e 3-way handshakeShort-Password Key Exchange Protocol802.16e Multicast-Broadcast Key Distribution Protocols MOBIKE - IKEv2 ... Principals,AttackerSendReceiveProtocolPrivate DataLogic has symbolic andcomputational semantics Network Security Protocols: Analysis methods and standardsJohn MitchellStanford UniversityJoint work ... Wireless networking, VoIP, mobility Typical standardization effort takes a couple of yearsAchievable goal: systematic methods that can be used by practicing engineers to improve network, ...
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Chapter 19 Network Layer: Logical Addressing potx
... discussed in this section:19.7Numbering systems are reviewed in Appendix B.Note19.1Chapter 19 Network Layer: Logical AddressingCopyright © The McGraw-Hill Companies, Inc. Permission required for ... ISP19.32The 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.Note19.4919-2 IPv6 ... Appendix B) and add dots for separation.19.48Figure 19.13 An ISP and NAT19.31Figure 19.4 A network configuration for the block 205.16.37.32/2819.30c. The number of addresses can be found...
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Chapter 20 Network Layer: Internet Protocol pot
... TCP/IP protocols. mechanism used by the TCP/IP protocols. DatagramFragmentationChecksumOptionsTopics discussed in this section:Topics discussed in this section:20.5Figure 20.3 Network layer ... of data (40 20).−Example 20.320.50Figure 20.20 Tunneling strategy20.7Switching at the network layer in the Internet uses the datagram approach to packet switching.Note20.920-2 IPv420-2 ... bytes are the options.Example 20.220.41Table 20.6 Next header codes for IPv620.1Chapter 20 Network Layer: Internet ProtocolCopyright © The McGraw-Hill Companies, Inc. Permission required for...
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Chapter 21 Network Layer: Address Mapping, Error Reporting, and Multicasting pdf
... Management Protocol (IGMP) is one of the necessary, but not sufficient, protocols that is of the necessary, but not sufficient, protocols that is involved in multicasting. IGMP is a companion to ... discussed in this section:Topics discussed in this section:21.38Imagine 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
... mask matching22.34Figure 22.17 Two-node instability22.2722-3 UNICAST ROUTING PROTOCOLS 22-3 UNICAST ROUTING PROTOCOLS A routing table can be either static or dynamic. A A routing table can ... notmatch 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).22.43Figure ... 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...
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Network Security Protocols in Practice Part I docx
... Networks5.2 Public-Key Infrastructure5.3 IPsec: A Security Protocol at the Network Layer 5.4 SSL/TLS: Security Protocols at the Transport Layer 5.5 PGP and S/MIME: Email Security Protocols 5.6 ... Networks5.2 Public-Key Infrastructure5.3 IPsec: A Security Protocol at the Network Layer 5.4 SSL/TLS: Security Protocols at the Transport Layer 5.5 PGP and S/MIME: Email Security Protocols 5.6 ... Protocols at the Transport Layer 5.5 PGP and S/MIME: Email Security Protocols 5.6 Kerberos: An Authentication Protocol5.7 SSH: Security Protocols for Remote LoginsJ. Wang. Computer Network...
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Network Security Protocols in Practice Part II pdf
... the Network Layer 5.4 SSL/TLS: Security Protocols at the Transport Layer 5.5 PGP and S/MIME: Email Security Protocols 5.6 Kerberos: An Authentication Protocol5.7 SSH: Security Protocols ... Wang. Computer Network Security Theory and Practice. Springer 2009SSL Structure J. Wang. Computer Network Security Theory and Practice. Springer 2009Chapter 5 Network Security Protocols in ... Computer Network Security Theory and Practice. Springer 2009Chapter 5 Outline5.1 Crypto Placements in Networks5.2 Public-Key Infrastructure5.3 IPsec: A Security Protocol at the Network Layer 5.4...
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A Study of the Relative Costs of Network Security Protocols potx
... advantage of whatever network- layer secu-rity services their environment provides. More impor-tantly, IPsec offers a remarkable flexibility not possibleat higher or lower network layers: security ... is comprised of aset of protocols that provide data integrity, confidential-ity, replay protection, and authentication at the network layer. This positioning in the network stack offers con-siderable ... IPsec bymaximizing network traffic using ttcp. In our next setof experiments, we investigate how IPsec behaves under“normal” network load and how it compares with othersecure network transfer...
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UNDERSTANDING INTERNET ROUTING ANOMALIES AND BUILDING ROBUST TRANSPORT LAYER PROTOCOLS docx
... robustness.Based on the network layer where the striping techniques are applied, we classify theminto link -layer, transport -layer, and application -layer striping.2.1 Network TestbedsWe evaluate ... made to enhance network performanceusing striping techniques at the link -layer, transport -layer, and application -layer. We arethe first to implement and evaluate a transport -layer protocol that ... sizes over long-latencyconnections.2.7 Transport -Layer StripingMany researchers have proposed the use of multiple paths by the transport -layer protocols to enhance reliability [8, 67, 58, 7]....
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Network Security Protocols: A Tutorial pptx
... countermeasures– ATM: eat your card– military: shoot you– networking: lock account (subject to DOS) or be slow per attempt1 Network Security Protocols: A TutorialRadia PerlmanMay 2005(radia.perlman@sun.com)25Cryptographic ... 44Challenge/Response vs. Timestamp• Second protocol saves messages, fits more easily into existing protocols that expect passwords• First protocol does not require synchonizedclocks• Second protocol...
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Mobile and wireless communications network layer and circuit level design Part 1 potx
... 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 978-953-307-042-1MobileandWirelessCommunications: Network layer andcircuitleveldesign6...
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Mobile and wireless communications network layer and circuit level design Part 2 potx
... 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 ... minR , MobileandWirelessCommunications: Network layer andcircuitleveldesign42 Definition 1. Limited Capacity Network: A multi-casting network satisfying the equation (8) on the number...
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