UNIX UNIX Network Programming with TCP/IP Short Course Notes Alan Dix © 1996 Network Programming with TCP/IP UNIX Network Programming with TCP/IP UNIX Network Programming with TCP/IP UNIX UNIX Network Programming with TCP/IP Network Programming with TCP/IP http://www.hiraeth.com/alan/tutorials UNIX Network Programming with TCP/IP Course Outline Alan Dix http://www.hcibook.com/alan Session 1 Session 2 Session 3 Internet Basics First Code Standard Applications
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between connectionless unacknowledged service and connectionless acknowledged service. How do the protocols that provide these services differ? Solution: In an acknowledged connectionless network‚ reliable delivery can be achieved through the use of ACK and NAK transmissions. Such protocols are suited for communication over networks in which higher layers are sensitive to loss and the underlying network is inherently unreliable with a significant probability of loss or error. Unacknowledged networks
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INPUT/OUTPUT ORGANIZATION • Accessing I/O Devices • I/O interface • Input/output mechanism Memory-mapped I/O y pp / Programmed I/O Interrupts Direct Memory Access • Buses Synchronous Bus Asynchronous Bus I/O in CO and O/S • • • Programmed I/O Interrupts DMA (Direct memory Access) A bus is a shared communication link‚ which uses one ‚ set of wires to connect multiple subsystems. The two major advantages of the bus organization are versatility and low cost. Accessing I/O Devices
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ISO/OSI Reference Model: Open Systems Interconnection (OSI) is an effort to standardize networking that was started in 1977 by the International Organization for Standardization (ISO)‚ along with the ITU-T. The world has not always been so simple. Once upon a time‚ there were no networking protocols‚ including TCP/IP. Vendors created the first networking protocols; these protocols supported only that vendor’s computers‚ and the details were not even published to the public. As time went on
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ORGANIZATIONAL STRUCTURE AND THEIR CULTURE |ORGANIZATIONAL STRUCTURE | Example | Handy’s Culture Type | |1. Functional | ACK | POWER / ROLE CULTURE | |2. Product | UNILEVER | TASK CULTURE | |3. Geographic
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Index Sr.No. | Topics | Page no. | 1. | INTRODUCTION | | 2. | History | | 3. | Architecture | | 4. | Business oriented APPLICATION | | 5. | Comparision | | 6. | FEATURES | | 7. | CONCLUSION | | 8. | BIBLIOGRAPHY | | INtroduction A Network Control Protocol is a protocol that runs atop the Point-to-Point Protocol (PPP) and that is used to negotiate options for a network layer protocol running atop PPP. Network Control Protocols include the Internet
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Reviewer DataCom: Chapter 1-5 Chapter 1: Intranet- Restricted group on a company and only allows internal employee access. Extranet- Type of network that allows outside vendors special access to limited info in a company. Protocols- Rules of communication. * An identified sender and receiver * An agreed-upon method of communicating * Common language and grammar * Confirmation or acknowledgement requirements Elements of a Network: * Rules or agreements: protocols or how
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Who is the most memorable boxer to you? certain names always come up‚ and always will come up.When boxing fans discuss the question of who was the greatest heavyweight champion of all time. Mahammad Ali‚ Joe Louis‚ ack Dempsey are all names which have there supporters. So is Rocky Marciano‚ who held the title for four years in the 1950s and who has one accomplishment no other heavyweight champ can claim: he is only one ever to retire undefeated. Early Life Rocky Marciano was Born Semptember 1
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Handler (RBPH) is a departure from previous end to end reliable protocols that exploit Internet Multicast. It has both end system and router elements to the protocol. This is an attempt to overcome the scaling problems of protocol reliability techniques (ACK or NAK‚ retransmission) when operating them over intermittently lossy IP Networks. RBPH is targeted at one to many applications‚ but of course could be used for many to many simply by using multiple sessions. i) Add IP router alert option handling
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IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS‚ VOL. 18‚ NO. 3‚ MARCH 2000 535 Performance Analysis of the IEEE 802.11 Distributed Coordination Function Giuseppe Bianchi Abstract—Recently‚ the IEEE has standardized the 802.11 protocol for Wireless Local Area Networks. The primary medium access control (MAC) technique of 802.11 is called distributed coordination function (DCF). DCF is a carrier sense multiple access with collision avoidance (CSMA/CA) scheme with binary slotted exponential
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