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A local area network (LAN) is a group of computers and associated devices that share a common communications line or wireless link. Typically, connected devices share the resources of a single processor or server within a small geographic area (for example, within an office building). Usually, the server has applications and data storage… Continue Reading
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We present Quiver, a system that coordinates service proxies placed at the edge of the Internet to serve distributed clients accessing a service involving mutable objects. Quiver enables these proxies to perform consistent accesses to shared objects by migrating the objects to proxies performing operations on those objects. These… Continue Reading
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The video stream in an AVI file is nothing more than a sequence of bitmaps. This article is about extracting these bitmaps and re-building the stream, in order to hide a message in the video. Before reading this article, you should have read at least part one, Steganography - Hiding messages in the Noise of a Picture. This one uses the… Continue Reading
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Many techniques for multicast authentication employ the principle of delayed key disclosure. These methods introduce delay in authentication, employ receiver-side buffers, and are susceptible to denial-of-service (DoS) attacks. Delayed key disclosure schemes have a binary concept of authentication and do not incorporate any notion of… Continue Reading
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With the advance in technology more in particular in the field of computer related organization, a lot of things are now automated. As a matter of fact, Information technology has a vital role in the design and implementation of water billing system. Almost all the big organization are developing their billing system because of the… Continue Reading
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Remote pc access are inherently vulnerable, as any node can disrupt the communication of potentially any other node in the network. Many solutions to this problem have been proposed. In this paper, we take a fresh and comprehensive approach that addresses simultaneously three aspects: security, scalability and adaptability to changing… Continue Reading
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Content Based File Search is a Java application to find files that contain (or don’t contain) a given string. The string may be in plain text or it may be a Java regular expression. Such a trivial search should be part of the operating system, and in fact, once was. As bigger and more impressive features were added to Windows, it lost… Continue Reading
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Images account for a significant and growing fraction of Web downloads. The traditional approach to transporting images uses TCP, which provides a generic reliable in-order byte-stream abstraction, but which is overly restrictive for image data. We analyze the progression of image quality at the receiver with time, and show that the… Continue Reading
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Bit Plane Complexity Segmentation (BPCS) digital picture steganography is a technique to hide data inside an image file. BPCS achieves high embedding rates with low distortion based on the theory that noise-like regions in an image’s bit-planes can be replaced with noise-like secret data without significant loss in image quality. . In… Continue Reading
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Web base search engine is a Java application to find files that contain (or don’t contain) a given string. The string may be in plain text or it may be a Java regular expression. Such a trivial search should be part of the operating system, and in fact, once was. As bigger and more impressive features were added to Windows, it lost the… Continue Reading
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To construct an efficient overlay network, the information of underlay is important. We consider using end-to-end measurement tools such as traceroute to infer the underlay topology among a group of hosts. Previously, Max-Delta has been proposed to infer a highly accurate topology with a low number of traceroutes. However, Max-Delta… Continue Reading
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ADS-B, which consists of two different services ADS–B Out and ADS–B In, will be replacing radar as the primary surveillance method for controlling aircraft worldwide. In the United States, ADS-B is an integral component of the NextGen National Airspace strategy for upgrading/enhancing aviation infrastructure and operations. The ADS-B… Continue Reading
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Ad hoc networking is emerging as today and future requirement for dynamic and mobile wireless communication. For fast connections the refugee node needs a path where it can avail the best throughput by means of connections created on the fly, for single time usage or on short-term basis. In this paper we have focused on the scenario of… Continue Reading
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The Smart Knowledge Provider and the CAD use a mutual active authentication protocol to identify each other. The card generates a random number and sends it to the CAD, which encrypt the number with a shared encryption key before returning it to the card. The card then compares the returned result with its own encryption. The pair may… Continue Reading
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Network administrators need a thorough understanding of both types of addressing to administer Transmission Control Protocol/Internet Protocol (STACK IP) networks and troubleshoot STACK IP-based communication. This chapter discusses in detail the types of Internet Protocol version 4 (IPv4) and Internet Protocol version 6 (IPv6) addresses,… Continue Reading
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This paper proposes a traffic anomaly detector, operated in postmortem and in real-time, by passively monitoring packet headers of traffic. The frequent attacks on network infrastructure, using various forms of denial of service attacks, have led to an increased need for developing techniques for analyzing network traffic. If efficient… Continue Reading
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In our present society, communication is more or less that people cannot – do – without. People always say and the strength of every successful business generally depends on it. The impact of this can be felt in the life of area, homes and government establishment, without adequate communication network every activity is useless… Continue Reading
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Text encryption software to hide and encrypt data within an video undetectable to others! This software allows you to hide text messages within an video! You can use this software to store personal information, financial details and so forth embedded within an video, and password protect! So you could even give someone a copy of your… Continue Reading
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One of the more popular benefits to outsourcing your maintenance is the ability to improve department focus. Being able to outsource your facility maintenance lets your employees focus more on their higher priority tasks and operational issues. When it comes down to it, facility maintenance should be worry free and reduce stress on both… Continue Reading
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Text-to-speech (TTS) technology on a computer refers to the combination of text appearing on the computer display together with the computer speaking that text aloud with a digitized or synthesized voice. Digitized speech is a recorded (or digitized) human voice speaking, and synthesized voice is a computer-generated voice speaking the… Continue Reading
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Encryption/decryption is especially important in wireless communications. This is because wireless circuits are easier to tap than their hard-wired counterparts. Nevertheless, encryption/decryption is a good idea when carrying out any kind of sensitive transaction, such as a credit-card purchase online, or the discussion of a company… Continue Reading
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Active Server Pages (APS) also known as classic ASP or ASP classic was Microsoft’s first server side script engine for dynamically generated web page initially released as an add-on to internet information services (HS)via the windows NT 4.0 option pack (Ca 1998) of was subsequently included as a free component of windows server (since… Continue Reading
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Multimedia technologies are attracting more and more interest every day. Video-on-Demand is one of the buzzwords today and is now available for the public. Content providers such as publishers, broadcasting companies and audio/video production firms must be able to archive and index their productions for later retrieval. This is a… Continue Reading
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Bringing it to a layman, an Anti-virus can be explained as the cure to virus and viral infections in the computer system. Though virus has been identified to be existing and causing harms in various forms, there are a variety of strategies are typically employed. Signature-based detection involves searching for known patterns of data… Continue Reading
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An ad-hoc network is a decentralized type of wireless network. The network is ad hoc because it does not rely on a preexisting infrastructure, such as routers in wired networks or access points in managed (infrastructure) wireless networks. Instead, each node participates in routing by forwarding data for other nodes, and so the… Continue Reading
