computer networking principles protocols and practice download

... routing and BGP 276 Trang 45.1 Glossary 2895.2 Bibliography 2935.3 Indices and tables 293ii Trang 62 ContentsTrang 7Note: Computer Networking : Principles, Protocols and Practice, ... performance of routing protocolssuch as BGP and IS-IS and participated to the development of new Internet protocols including shim6, LISP andMultipath TCP He frequently contributes to standardisation ... complex Several solutions have been proposed and are used in practice in different network technologies Note: Bit rate and bandwidth Bit rate and bandwidth are often used to characterize the transmission

Ngày tải lên: 30/12/2022, 14:15

... clock and H‘is a cryptographic hash function ‘localhost and remotehost(resp localport and remoteport ) are the IP addresses (port numbers) of the local and remote host and secret is arandom number ... which the client downloads messages and anupdatephase that concludes the session The client sends commands and the server replies are prefixed by +OK to indicate a successful command or by -ERR ... 1980s, several computer scientists proposed to develop a standard that supports all written languagesused on Earth today The Unicode standard[Unicode]has now been adopted by most computer and softwarevendors

Ngày tải lên: 30/12/2022, 14:21

... systems and procedures for the storage and retrieval of designs and samples within the company Working within an agreed departmental budget Controlling the supply of materials and equipment ... textile and clothing industries Products are planned and produced well ahead of retail selling seasons in all areas of the textile and clothing industries In August, and even July, ... wear, men’s wear and children’s wear, accessory designers, designers of casualwear, sportswear, eveningwear, swimwear and designers for the mass market, haute couture and designer labels,

Ngày tải lên: 07/08/2015, 15:14

... will:n understand why purchasing and supply management should be concerned withenvironmental and ethical supply issues; n have a clear understanding of the contribution purchasing and supplymanagement ... environmental ‘footprints’ and those oftheir suppliers A standard emerged – first as BS7570 and then ISO 14000 – as areference or proxy for good environmental practices These standards became widelyaccepted ... purchasing and supply and some of the effects those deci-sions have on the world, in terms of biophysical (for example, air, water and soilpollution), economic (for example, loss of habitat and even

Ngày tải lên: 30/12/2022, 14:39

... the computer and data communications age The first electronic digital computer was developed during 1943–6 Early computer interfacesused punched tapes and cards Later terminals were developed and ... international standards Internetworking between differenttypes of networks used protocol translators and interworking units, and became more andmore complicated as the protocol translators and interworking ... network protocols and new services and applications Trang 10Introduction 511.17 Convergence of network technologies and protocols The convergence is the natural progression of technologies pushing and

Ngày tải lên: 09/08/2014, 19:22

... strength and/or distance measurements position Two handover scenarios for satellite handovers are possible: intra-plane satellite handover and inter-plane satellite handover Intra-plane satellite handover ... bytes and matches that calculation against the fifth byte If it matches, the receiver then 112 Satellite Networking: Principles and Protocols counts 48 bytes and tries the calculation again And ... broadband network SB and TB indicate reference points between the terminal and the B-NT2 and between B-NT2 and B-NT1 respectively Reference point characteristics are: • TB and SB : 155.520 and

Ngày tải lên: 09/08/2014, 19:22

... nonconforming cell 3.8 Internet protocols The developments of the Internet protocols have followed quite different paths from theATM protocols, leading to the standards for networking In the early years, ... QoS support for future Internet applicationsand services 3.8.1 Internet networking basics Internet networking is an outcome of the evolution of computer and data networks Thereare many technologies ... wasdeveloped and used mainly by universities, research institutes, industry, military and the USgovernment The main network technologies were campus networks and dial-up terminalsand servers interconnected

Ngày tải lên: 09/08/2014, 19:22

... Satellite Networking: Principles and Protocols Further reading [1] [2] [3] [4] [5] [6] [7] [8] [9]... each new point of attachment and can be thought 222 Satellite Networking: Principles ... Networking: Principles and Protocols © 2005 John Wiley & Sons, Ltd Zhili Sun 214 Satellite Networking: Principles and Protocols The convergence of the Internet and telecommunications ... 202 Satellite Networking: Principles and Protocols The issues that need to be discussed when deciding on the use of ISL include: • networking considerations (coverage, delay, handover); • the

Ngày tải lên: 09/08/2014, 19:22

... capacity and smaller antenna sizes; there will be tighter integration with IPtechnology, protocols and architecture including network management and IP security overthe satellite link; and there ... fair sharing of resources (both link bandwidth androuter buffers) among users by dynamically controlling and managing the bandwidth viaresource reservation and admission control It uses the resource ... system for privacy and authentication Let’s defineC = EeM and M = DdC We have the following properties: • DdEeM = M • given M and e, it is easy to calculate C • given C and d it is easy

Ngày tải lên: 09/08/2014, 19:22

... a remote machine and either download files from or upload files to the machine At bandwidths of 64 kbit/s and 9.6 kbit/s, throughput was proportional to the bandwidthavailable and delay had little ... limited bandwidth on the outbound link Withbandwidths of 1 Mbit/s and 64 kbit/s the performance was found as expected At 9.6 kbit/s theusers tended to get frustrated when downloading large files and ... satellite bandwidth can be very low However, it has the potential for many TCP session hosts to share the samebandwidth to improve bandwidth utilisation T/TCP requires changes of both the senderand

Ngày tải lên: 09/08/2014, 19:22

... in future networks and terminals Understand the basic principles and techniques for traffic modelling and traffic characterisation 336 Satellite Networking: Principles and Protocols Exercises ... been integrated with the new generation of 2.5G and 3G mobile terminals (see Figures 8.21 and 8.22) 334 Satellite Networking: Principles and Protocols Email, FTP, WWW, Ecommerce, Audio, Video, ... Satellite Networking: Principles and Protocols connectivity simply by overprovisioning their networks Logically, it would seem that in the face of such developments and the abundance of available bandwidth,

Ngày tải lên: 09/08/2014, 19:22

... smooth and efficient com-munication It has functions including communication control, protocol conversion and datahandling, and communication primitive functions It also includes data storage and ... call arrivals and holding-time distribution, number of traffic sources,availability of circuits and handling of lost calls Some of the mathematical formulas aresimple and useful and can be summarised ... improved network restoration and reconfigura-tion capabilities, and availability 4.7.2 The SDH standards This standards work culminated in ITU-T recommendations G.707, G.708, and G.709 cov-ering the

Ngày tải lên: 14/08/2014, 16:20

... Attack surfaces o Attack trees • Computer security strategy o Security policy o Security implementation o Assurance and evaluation o Threats and attacks o Threats and assets • Security functional ... 10Assets of a Computer System Hardware Software Data Communication facilities and networks © 2016 Pearson Education, Inc., Hoboken, NJ All rights reserved Trang 11Vulnerabilities, Threats and Attacks ... Trang 14Data Computer System Computer System Processes representing users 1 Access to the data must be controlled (protection) Guard Data Processes representing users 2 Access to the computer facility

Ngày tải lên: 18/12/2017, 15:15

... algorithmic techniques for random number generation • Algorithms are deterministic and therefore produce sequences of numbers that are not statistically random Pseudorandom numbers are: • Sequences ... statistical randomness tests • Likely to be predictable Pseudorandom numbers are: • Sequences produced that satisfy statistical randomness tests • Likely to be predictable True random number ... Encryption Standard (DES) Trang 9Triple DES (3DES) Repeats basic DES algorithm three times using either two or three unique keys  First standardized for use in financial applications in ANSI standard

Ngày tải lên: 18/12/2017, 15:15

... token protocols o Read-only memory (ROM) • Stores data that does not change during the card’s life o Electrically erasable programmable ROM (EEPROM) • Holds application data and programs o Random ... as other national ID cards, and similar cards such as a driver’s license, for access to government and commercial services Can provide stronger proof of identity and can be used in a wider ... Develop a large dictionary of possible passwords and try each against the password file • Each password must be hashed using each salt value and then compared to stored hash values Rainbow table

Ngày tải lên: 18/12/2017, 15:15

... 2Chapter 4Access Control Trang 3Access Control Principles RFC 4949 defines computer security as: “Measures that implement and assure security services in a computer system, particularly those that ... authorizations, and entitlements Trang 32Identity, Credential, and Access Management (ICAM) • A comprehensive approach to managing and implementing digital identities, credentials, and access control ... number (user ID) Specify read, write, and execute permission for the owner of the file, members of the group and all other users The owner ID, group ID, and protection bits are part of the file’s

Ngày tải lên: 18/12/2017, 15:15

... Availability Understand the contract provisions and procedures for availability, data backup and recovery, and disaster recovery, and ensure that they meet the organization’s continuity and contingency ... Abstraction and Control Layer IaaS Business Support Trang 38Abuse and nefarious use of cloud computingAbuse and nefarious use of cloud computing Insecure interfaces and APIs Insecure interfaces and ... terminating a text string and appending a new command The SQLi attack typically works by prematurely terminating a text string and appending a new command Because the inserted command may have additional

Ngày tải lên: 18/12/2017, 15:16

... monitor and report on the processes, files, and registries on a computer • Gives administrator (or root) privileges to attacker • Can add or change programs and files, monitor processes, send and ... automated attacks tools, and also the likelihood of successful attacks Payload – Attack Agents Bots • • • Takes over another Internet attached computer and uses that computer to launch or manage ... from a computer and transmits it to another system by monitoring keystrokes, screen data and/or network traffic; or by scanning files on the system for sensitive information Zombie, bot A computer

Ngày tải lên: 18/12/2017, 15:16

... LAN PCs and workstations Broadband subscribers Broadband users Internet service provider (ISP) A Internet Router Large Company LAN Broadband users Internet service provider (ISP) B Broadband subscribers ... Trang 20Attack prevention and preemption• Before attack Attack prevention and preemption • Before attack Attack detection and filtering • During the attack Attack detection and filtering • During ... filtering • During the attack Attack source traceback and identification • During and after the attack Attack source traceback and identification • During and after the attack Attack reaction • After

Ngày tải lên: 18/12/2017, 15:16

... benign Trang 30o Network, transport, and application layer protocolso Source and destination IP addresses o Source and destination TCP or UDP ports, or ICMP types and codes o Number of bytes transmitted ... traffic and analyzes network, transport, and application protocols to identify suspicious activity  Distributed or hybrid IDS  Combines information from a number of sensors, often both host and ... nature and persistence over extended periods involved with any attacks in this class  Widespread nature and scope of these activities by a wide range of countries from China to the USA, UK, and

Ngày tải lên: 18/12/2017, 15:16