'Header checksum' diaporamas de présentation

Chapter 8 Communication Networks and Services

Chapter 8 Communication Networks and Services. The TCP/IP Architecture The Internet Protocol IPv6 Transport Layer Protocols Internet Routing Protocols Multicast Routing DHCP, NAT, and Mobile IP. Chapter 8 Communication Networks and Services. The TCP/IP Architecture. Net 5. Net 1.

2.17k views • 203 slides

Internet Protocol version 6 (IPv6) Mobility

Internet Protocol version 6 (IPv6) Mobility. ???????????? ??? Han-Chieh Chao hcc@mail.ndhu.edu.tw. Outline. Internet Protocol version 4 Internet Protocol version 6 IPv6 Addressing IPv6 key features IPv6 Mobility Advantages Conclusion. Famous Last Words.

1.56k views • 127 slides

Computer Networking Lent Term M/W/F 11-midday LT1 in Gates Building Slide Set 5 Andrew W. Moore

1.34k views • 119 slides

Router Architecture

Router Architecture. Contents. Overview of routers Functions of a router Types of routers Elements of a router Packet flow Packet processing: fast vs slow path Router architectures Summary. Overview.

1.3k views • 109 slides

Router Architecture

Router Architecture. Contents. Overview of routers Functions of a router Types of routers Elements of a router Packet flow Packet processing: fast vs slow path Router architectures Summary. Overview.

1.5k views • 109 slides

Chapter 4 Internet Protocol-Part 1, IPv4

Chapter 4 Internet Protocol-Part 1, IPv4. Unreliable and Best Effort Delivery. IP does not guarantee that it will handle the problems of: Datagram duplication Delayed or out-of-order delivery Corruption of data Datagram loss. Therefore, additional layers of protocol software are needed

936 views • 75 slides

Computer Networking Experiment ICMP ??????

Computer Networking Experiment ICMP ??????. ? 11 ? ??? ??? b91902011 ??? ??? b91902029 ??? ??? b91902048 ??? ??? b91902056. ICMP Internet Control Message Protocol. Gateway : Network connecting devices Gateway or destination host will communicate with a source host.

752 views • 60 slides

Solutions for Improving TCP Performance over Emerging Networks

Solutions for Improving TCP Performance over Emerging Networks. K.R.Renjish Kumar kaleelaz@comp Centre for Internet Research. Outline. Introduction Emerging Networks TCP TCP over Emerging Networks Issues Solutions TCP HACK MBM. Introduction. Internet has come a long way with:

582 views • 43 slides

Application

Application. Transport. you are here. Network. Link. Physical. Transport (process-to-process). Network (host-to-host). Link (node-to-node). Transport (process-to-process). Network (host-to-host). IP. ICMP. Routing Protocols. Link (node-to-node). IP. Internet Protocol. V.

512 views • 39 slides

IP Packet Switching

641 views • 35 slides

Modified FCS/ARQ behaviour

Modified FCS/ARQ behaviour. Allow the delivery of frames: with configurable retransmission policies, and in certain well defined instances, appropriately tagged frames with payload bit errors. Contributors/Authors. Background Data from a 802.11n network Motivation Issues

392 views • 31 slides

Study Goals & Talk summary

Study Goals & Talk summary. Aims Evaluation of FTP performance over Bluetooth (BT) radio link in different environmental conditions Influence of BT radio packet format on system performance Outline TCP over wireless link Bluetooth overview Methodology of analysis & Performance metrics

355 views • 22 slides

IPv6

IPv6. Dece IPv6. Cei 32 de biti ai IPv4 limiteaza marimea Internetului. Este limitata de asemenea ierarhia Internetului. Explozia tabelelor de rutare. Usurinta configurarii. Securitatea. Adrese IPv6. Lungimea unei adrese 128 biti

390 views • 21 slides

IPv4 - The Internet Protocol Version 4

IPv4 - The Internet Protocol Version 4. Orientation. IP (Internet Protocol) is a Network Layer Protocol. There are currently two version in use: IPv4 (version 4) and IPv6 (Version 6) Here we discuss IPv4. IP: The waist of the hourglass.

469 views • 21 slides

IPv6

IPv6. Dece IPv6. Cei 32 de biti ai IPv4 limiteaza marimea Internetului. Este limitata de asemenea ierarhia Internetului. Explozia tabelelor de rutare. Usurinta configurarii. Securitatea. Adrese IPv6. Lungimea unei adrese 128 biti

330 views • 21 slides

Chapter 22 Q and A

Chapter 22 Q and A. Victor Norman CS 332 Spring 2014. TCP/IP vs UDP/IP. Q: Why does this chapter treat TCP/IP as a single unit? What about UDP/etc.?

296 views • 19 slides

An Error Reporting Mechanism (ICMP)

An Error Reporting Mechanism (ICMP). IP Semantics. IP is best-effort Datagrams can be Lost Delayed Duplicated Delivered out of order Corrupted. Error Detection. IP does not Introduce errors Ignore all errors Errors detected Corrupted bits Illegal addresses Routing loops

294 views • 15 slides

Introduction to IPv6

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Lecture 15: IPsec AH and ESP

Lecture 15: IPsec AH and ESP. IPsec introduction: uses and modes IPsec concepts security association security policy database IPsec headers authentication header (AH) encapsulating security payload (ESP). IPsec. IETF standard for real-time communication security

1.15k views • 11 slides

NSP packet Formats

NSP packet Formats. Fred Kuhns Applied Research Laboratory. MSR Internal IP Packet Format. 8 or 16 Bytes. Shim. Ver (4). hlen (4). TOS (8). dgram length (16). Id (16). Flgs (3). Fragment offset (13). TTL (8). Protocol (8). Header checksum (16). IP Header. Source Address (32).

269 views • 9 slides