algorithms and protocols for smart environments
Distributed Algorithms and Protocols for Scalable Internet Telephony
... Comparison of Loss and Delay Performance across All Algorithms 63 2.29 Performance of Algorithms in Achieving a Target Loss of 0.07 65 2.30 Performance of Algorithms in Achieving ... 2.25 Performance of Adaptively Virtual Algorithms on Trace 58 2.26 Performance of Adaptively Virtual Algorithms on Trace 60 2.27 Performance of Adaptively Virtual Algorithms ... reviewing existing protocols for resource discovery (and finding them lacking for wide area applications), we present a scalable protocol for wide area service discovery, which is ideal for discovery...
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Policy and Protocols for Multivendor IP Networks
... Juniper® and Cisco Routing Policy and Protocols for Multivendor IP Networks Juniper® and Cisco Routing Policy and Protocols for Multivendor IP Networks Walter J ... router and then passed on (advertised) to other routers Yet information about the formulation and use of these routing policies is quite hard to come by For example, the index to a major and standard ... routing protocols and routing policies adequately ISP personnel working with customers and users need to understand routing protocols, and routing policies especially, to provide guidance for the...
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Tài liệu Internet Security Cryptographic Principles, Algorithms and Protocols Man Young Rhee ppt
... packet format, addressing (including ARP, RARP and CIDR) and routing; (2) transport layer protocols such as TCP and UDP; (3) HTTP for the World Wide Web; (4) FTP, TFTP and NFS protocols for file ... (PGP) used for electronic mail (e-mail) and file storage applications utilises IDEA for conventional block encryption, along with RSA for public key encryption and MD5 for hash coding RC5 and RC6 ... convert it to a packet formatted for another protocol before forwarding it The gateway understands the protocol used by each network linked into the router and is therefore able to translate...
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Build Mobile Websites and Apps for Smart Devices doc
... popular game for iOS It’s available on both the iPhone and iPad, and uses the same interface for both devices http://en.wikipedia.org/wiki/Fitts's_law Build Mobile Websites and Apps for Smart Devices ... familiar and easy-to-grasp interface for most users (mobile or otherwise) Figure 2.12 shows our wireframe for this screen Build Mobile Websites and Apps for Smart Devices (www.sitepoint.com) Design for ... Mobile Websites and Apps for Smart Devices (www.sitepoint.com) Design for Mobile 33 Figure 2.14 shows a basic mockup for this form It strikes a good balance by collecting all the information we...
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Algorithms and Networking for Computer Games pot
... Algorithms and Networking for Computer Games Algorithms and Networking for Computer Games Jouni Smed Harri Hakonen University of Turku, Finland Copyright 2006 John ... appear to be random To make a distinction, these random-like (or ‘randomish’) numbers are usually called quasirandom numbers Quasi-randomness can be preferable to pseudo-randomness, for example, ... Joanna Tootill for their support and guidance throughout the process Personal thanks and greetings go to our friends Antti Koski and Tommi Johtela for the countless hours of theoretical and (more...
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The common management information services and protocols for the internet (CMOT and CMIP)
... existing standards from the international standards community (ISO and CCITT) and the Internet community Existing ISO standards and draft standards in the area of OSI network management form the ... IP-based and OSI-based Internet transport protocols for the purpose of carrying management information defined in the Internet-standard management information base Together with the relevant ISO standards ... implement CMIP and accompanying ISO protocols over OSI, TCP and UDP transport protocols This memo must be read in conjunction with ISO and Internet documents defining specific protocol standards Documents...
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Internet Security Cryptographic Principles, Algorithms and Protocols - Chapter 0 potx
... packet format, addressing (including ARP, RARP and CIDR) and routing; (2) transport layer protocols such as TCP and UDP; (3) HTTP for the World Wide Web; (4) FTP, TFTP and NFS protocols for file ... (PGP) used for electronic mail (e-mail) and file storage applications utilises IDEA for conventional block encryption, along with RSA for public key encryption and MD5 for hash coding RC5 and RC6 ... trade today The Internet is today a widespread information infrastructure, a mechanism for information dissemination, and a medium for collaboration and interaction between individuals, government...
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Internet Security Cryptographic Principles, Algorithms and Protocols - Chapter 1 pptx
... convert it to a packet formatted for another protocol before forwarding it The gateway understands the protocol used by each network linked into the router and is therefore able to translate ... (X.500) for distributed database sources and access for global information about various objects and services Application Presentation • Data interpretation (compression, encryption, formatting and ... the standards and guidelines of this model can supply Ethernet-compatible devices, alternative Ethernet channels, higherperformance Ethernet networks and bridging protocols that easily and reliably...
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Internet Security Cryptographic Principles, Algorithms and Protocols - Chapter 2 pdf
... addresses and locate IP routers to reduce configuration and setup problems • The IPv6 header format is simplified and some header fields dropped This new header format improves router performance and ... Layer Protocols Two protocols exist for the transport layer: TCP and UDP Both TCP and UDP lie between the application layer and the network layer As a network layer protocol, IP is responsible for ... procedures to format text To overcome these difficulties, HTML TCP/IP SUITE AND INTERNET STACK PROTOCOLS 49 uses only ASCII characters for both main text and formatting instructions Therefore, every...
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Internet Security Cryptographic Principles, Algorithms and Protocols - Chapter 3 ppt
... privacy and authentication service that can be used for electronic mail and file storage applications PGP uses IDEA for conventional block encryption, along with RSA for public-key encryption and ... the encryption keys for each round are K1 , K2 , , K16 , the decryption keys for each round are K16 , K15 , , K1 Therefore, the same algorithm works for both encryption and decryption The ... bits, Z2 to the next 16 bits, and so on The first eight subkeys for the algorithm are assigned such that the six subkeys are for the first round, and the first two for the second round After that,...
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Internet Security Cryptographic Principles, Algorithms and Protocols - Chapter 4 pps
... 15], M[15], 22, 16] The basic MD5 operation for FF transformations of round is plotted as shown in Figure 4.12 GG, HH and II transformations for rounds 2, and are similarly sketched Round Let GG[a, ... on three 32-bit words B, C and D, and produces a 32-bit word as output Each operation performs a nonlinear operation of three of A, B, C and D, and then does shifting and adding as in MD5 The set ... Each operation performs a nonlinear function on three of A, B, C and D Let us show FF, GG, HH and II transformations for rounds 1, 2, and in what follows Round TE Let FF[a, b, c, d, M[k ], s, i ]...
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Internet Security Cryptographic Principles, Algorithms and Protocols - Chapter 5 ppt
... The RSA public-key cryptosystem can be used for both encryption and signatures Each user has three integers e, d and n, n = pq with p and q large primes For the key pair (e, d ), ed ≡ (mod φ(n)) ... describe the ElGamal system, choose a prime number p and two random numbers, g and x , such that both g < p and x < p, where x is a private key The random number g ASYMMETRIC PUBLIC-KEY CRYPTOSYSTEMS ... generate a key pair, first choose a prime p and two random numbers g and x such that g < p and x < p Then compute y ≡ g x (mod p) The public key is (y, g, p) and the private key is x < p To encrypt...
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Internet Security Cryptographic Principles, Algorithms and Protocols - Chapter 6 potx
... X.509 (formerly CCITT X.509) and ANSI X9.30 CRL formats are compared with the PEM CRL format to show where they differ For example, the ANSI X9.30 CRL format is based on the PEM format, but the former ... security and performance Each PCA must specify the range of p for itself, its CAs and its end users The range of p is largest for the PCA and smallest for the end user One-way hash functions and digital ... certificate format Key and policy information Subject and issuer attributes Certification path constraints Extensions related to CRLs 6.5.3.1 Key and Policy Information Extensions The key and policy information...
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Internet Security Cryptographic Principles, Algorithms and Protocols - Chapter 7 docx
... options required for both AH and ESP are manual keying and automated keying via IKE 7.3.1 ESP Packet Format Figure 7.6 shows the format of an ESP packet and the fields in the header format are defined ... the Protocol for this proposal, determine the number of proposals to be offered for this proposal and the number of transform for each proposal, generate a unique pseudo-random SPI, and construct ... implementations and provides protection for upper-layer protocols In the transport mode, AH is inserted after the IP header and before an upperlayer protocol (TCP, UDP or ICMP), or before any other...
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Internet Security Cryptographic Principles, Algorithms and Protocols - Chapter 8 pdf
... the master secret and the client and server random numbers, but for TLS the actual algorithm is different On leaving this chapter, it is recommended that readers search for and find any other ... Protocol format The SSL-specific protocols consist of the Change Cipher Spec Protocol, the Alert Protocol and the Handshake Protocol, as shown in Figure 8.1 The contents of these three protocols ... services for SSL connections between the server and client The Handshake Protocol allows the client/server to agree on a protocol version, to authenticate each other by forming an MAC, and to negotiate...
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Internet Security Cryptographic Principles, Algorithms and Protocols - Chapter 9 pot
... signature but before encryption The placement of Z for compression and Z −1 for decompression is shown in Figures 9.1 and 9.2 This compression algorithm has the benefit of saving space both for e-mail ... content type: signed and encrypted In each of the security subtypes, there are exactly two related body parts: one for the protected data and one for the control information The type and contents of ... multipart/encrypted body This is most useful for standard MIME-compliant message forwarding • The OpenPGP packet format describes a method for signing and encrypting data in a single OpenPGP message...
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Internet Security Cryptographic Principles, Algorithms and Protocols - Chapter 10 potx
... FIREWALLS FOR TRUSTED SYSTEMS 347 with the server on two separate TCP ports 20 and 21 Each FTP server has a command channel, where the requests for data and directory listings are issued, and a data ... user can then tell exactly what a hacker is doing, and have such information available for audit The audit log is an essential tool for detecting and terminating intruder attacks Many firewalls allow ... a platform for any one of the three types of firewalls: packet filter, circuit-level gateway or application-level gateway Bastion hosts must check all incoming and outgoing traffic and enforce the...
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Internet Security Cryptographic Principles, Algorithms and Protocols - Chapter 11 pdf
... process and approve/decline requests, and to issue certificates A financial institution may receive, process and approve certificate requests for its cardholders or merchants, and forward the information ... generate the public and private keys, choose two random primes, p and q , and compute the product n = pq For a short example demonstration, choose p = 47 and q = 73; then n = 3431 and φ(n) = (p − ... appropriate registration form and digitally signs it by generating a message digest of the registration form and encrypting it with the CA’s private key The CA sends the registration form and the CA certificate...
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Algorithms and Networking for Computer Games phần 1 pdf
... Algorithms and Networking for Computer Games Algorithms and Networking for Computer Games Jouni Smed Harri Hakonen University of Turku, Finland Copyright 2006 John ... Random selection tournament Random pairing tournament Standard seeding for an elimination bracket Ordered standard seeding for an ... Joanna Tootill for their support and guidance throughout the process Personal thanks and greetings go to our friends Antti Koski and Tommi Johtela for the countless hours of theoretical and (more...
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