propaga3on application transport network data link physical application transport network data link physical 3 Applica3on architectures • Client-‐server – Including data centers / cloud compu3ng • Peer-‐to-‐peer (P2P) • Hybrid of client-‐server and P2P 4 2 Client-‐server architecture server: – always-‐on host – permanent IP address – server farms for scaling clients:
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Standardization. It is a way of sub-dividing a communications system into smaller parts called layers. A layer is a collection of similar functions that provide services to the layer above it and receives services from the layer below it. On each layer, an instance provides services to the instances at the layer above and requests service from the layer below. For example, a layer that provides error-free communications across a network provides the path needed by applications above it, while it
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functional areas such as planning, manufacturing, sales, marketing, distribution, accounting, financial, human resource management, project management, inventory management, service and maintenance, transportation and e-business. Starting in the late 1980’s-1990’s, ERP targeted large, complex organizations. The architecture of the software facilitates transparent integration of modules, providing flow of information between all functions within the enterprise in a consistently visible manner.
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using packet switching. A central control component of this model which was the Transmission Control Program that incorporated both connection – oriented links and datagram service between hosts. The monolithic Transmission Control Program was later divided into a modular architecture consisting of the Transmission Control Protocol at connection – oriented layer and the Internet Protocol at the internetworking layer. The model became known as TCP/IP. TCP/IP is the backbone of the Internet of today
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Acronyms, and Abbreviations References Technologies to be used Overview Page No. 2.0 Overall Description 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 Product Perspective Software Interface Hardware Interface Product Function User Characteristics Constraints Architecture Design Use Case Model Description / Page 3 < Project scenario name > Software Requirements Specification Version X.0 2.9 Class Diagram ........................................................................ Sequence Diagram
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easily provide the best products and services to its customers. Castle’s offers two distinctive dining rooms and menus: the Castle Room, an elegant dining room, serves both lunch and dinner in an elegant style atmosphere, and the Family Room, a casual dining room, offers the guests such entrees as Prime Rib, Peking duck, Live Main Lobster, Filet Mignon, and a variety of seasonal seafood selection nightly. Castle’s family restaurant aims to offer quality services to its customers so as to attract them
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100 50 100 50 700 7. 8. Total ASC405 CSE 415 Analysis & Design of Algorithms Analysis & Design of Algorithms (Practical) Database Management System Database Management System (Practical) Object Oriented Programming Object Oriented Programming (Practical) Cyber Law & IPR Computer Architecture & Organization Internal Total Sessional Marks 50 100 50 50 50 50 50 50 100 50 100 50 3 3 15 0 1 4 0 0 9 3 4 28 3 4 25 50 50 250 50 50 400 100 100 650 2 Scheme of Examination
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Nedgty: Web Services Firewall Ramy Bebawy, Hesham Sabry, Sherif El-Kassas, Youssef Hanna, Youssef Youssef Department of Computer Science American University in Cairo, Egypt {ramy1982,hesh84,sherif,youssefh,youssefy}@aucegypt.edu Abstract This paper describes the research conducted to develop Nedgty, the open source Web Services Firewall. Nedgty secures web services by applying business specific rules in a centralized manner. It has the ability to secure Web Services against Denial of Service, Buffer
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32 33 34 35 36 37 38 39 40 41 42 43 44 45 Integration of EPON and WiMAX Gangxiang Shen and Rodney S. Tucker 14.1 Introduction The Internet today is characterized by a fast growth of bandwidth-intensive services, such as IPTV, video on demand (VoD), and peer-to-peer (P2P) services. To Gangxiang Shen ARC Special Research Centre for Ultra-Broadband Information Networks (CUBIN), Department Electrical and Electronic Engineering, The University of Melbourne, Melbourne VIC 3010, Australia, e-mail:
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focus in this paper is not on whether hierarchical databases can be made multimodal, autonomous, and symbiotic, but rather on exploring a linear-time tool for investigating context-free grammar (Undergo). Table of Contents 1) Introduction 2) Architecture 3) Implementation 4) Performance Results 4.1) Hardware and Software Configuration 4.2) Experiments and Results 5) Related Work 6) Conclusion 1 Introduction Unified perfect methodologies have led to many intuitive advances, including
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