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Title      : MSCS -510 Computer Networks
Subject      : Computer Science
copyright © 2018   : Karnataka State Open University
Author      : KSOU
Publisher      : Karnataka State Open University
Chapters/Pages      : 24/299
Total Price      : Rs.      : 220
 
 
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Chapters
     
Network Hardware, Network Software Total views (841)  
Traditional definition of "network" is a group of computers connected together to share resources such as programs, files, printer, and storage disk. However modem network also includes connections to portable/mobile devices (such as tablet PC, notebook, PDA, digital camera, portable MP3 player, and mobile phone), home entertainment devices (such as TV, video player/recorder, stereo, and radio); h ......
Pages: 12
Price: Rs 0   
 
Reference Models: OSI and TCP Total views (329)  
To varying extents, architectures for computer networking have used conceptual models, into which their mechanisms are mapped, the scope of ,mechanisms defined, and possible gaps in coverage, The best-known of these, the Open Systems Interconnection Reference Model (OSIRM), developed by the International Organization for Standardization (ISO) is indeed best known, but is, in practical networks, r ......
Pages: 7
Price: Rs 5.25   
 
Example Networks - Arpanet, X.25 Frame Relay Total views (324)  
The subject of computer networking covers many different kinds of networks, large and small, well known and less well known. They have different goals, scales, and technologies. In the following sections, we will look at some examples, to get an idea of the variety one finds in the area' of computer networking. We will start with the Internet, probably the best known network, and look at its hist ......
Pages: 8
Price: Rs 6   
 
Network Standardization Total views (320)  
Computer networking is a great way of connecting the computers and sharing' data with each other. There,' are many vendors that produce different hardware devices and software applications and without, coordination among them there can be chaos unmanaged communication and disturbance can be faced, by the users. There should be some rules and regulations that all the vendors should adopt and produ ......
Pages: 8
Price: Rs 6   
 
Analog and Digital Signals Total views (266)  
An analog or analogue signal is any continuous signal for which the time varying feature (variable) of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal. . Any information may be conveyed by an analog signal; often such a signal is a measured response to changes in physical phenomena, such as sound, light, temperature, position or pr ......
Pages: 12
Price: Rs 9   
 
Digital to Analog, Analog to Digital, Digital to Analog Total views (265)  
A signal is any time-varying or spatial-varying quantity. In the physical world, any quantity measurable through time or over space can be taken as a signal. Within a complex society, any set of human information or machine data can also be taken as a signal. Such information or machine data (for example, the dots on a screen, the ink making up text on a paper page, or the words now flowing into ......
Pages: 10
Price: Rs 7.5   
 
Guided Transmission media-Magnetic media,twisted pair,co-axial cable,fiber optics Total views (215)  
Communication is possible only if information is encoded in a signal, and the signal is carried on a transmission medium. Therefore, the characteristics of the signal and of the medium both determine -the quality of the communication. In this unit, characteristics of different kinds of transmission media and how they affect the quality of communication are studied. There are two main groups of tra ......
Pages: 9
Price: Rs 6.75   
 
Wireless Transmission:The electromagnetic spectrum, Radio transmission, Microwave transmission, Infrared Total views (208)  
Wireless transmission can provide special 'services and conveniences' to people, such as connection to the Internet or other networks without connecting to a wire directly. It can also facilitate the creation of networks in special situations, such as terrain that is unfriendly to ground cables. Wireless communication began, in fact, in the Hawaiian Islands precisely to solve the problem of terrai ......
Pages: 10
Price: Rs 7.5   
 
Data Link Layer Design Issues Total views (207)  
In this chapter we will study the design of layer 2, the data link layer of OSI model. This study deals with the algorithms for achieving' reliable, efficient communication between two adjacent machines at the data link layer. First you think about the problem that there is no software to study communication. Unfortunately, communication circuits make errors occasionally. Furthermore, they have o ......
Pages: 10
Price: Rs 7.5   
 
Data Link Layer Error Control Total views (211)  
Error control refers to mechanisms to correct and detect errors that occur in the transmission of frames, frames are in the same order in which they are sent, and each transmitted frame suffers an arbitrary and variable amount of delay before reception. There are many types of errors may occur due to various reason and are broadly classified as lost frame, damaged frame etc and these error are de ......
Pages: 11
Price: Rs 8.25   
 
Data Link Layer Elementary Protocols Total views (208)  
Before dealing the protocols, it is useful to make explicit some of the assumptions underlying the model of communication. To start with, we are assuming that in the physical layer, data link layer, and network layer are independent processes that communicate by passing messages back and forth. In some cases, the physical and data link layer processes will be running on a processor inside a speci ......
Pages: 16
Price: Rs 12   
 
Data Link Layer Protocols-Examples Total views (210)  
IBM began developing DLC protocols way back in 1962 IBM introduced BSC in 1964 and then came up with SDLC. IBM submitted SDLC to ANSI and ISO for acceptance as US and international standards respectively. The ISO, who first developed COP, went on to modify SDLC to develop a bidirectional data transport mechanism using a single delimiter (flag) and a bit stuffing method of ensuring transparency. Th ......
Pages: 13
Price: Rs 9.75   
 
Multiple Access Protocols - CSMA,Collision Free Protocols Total views (207)  
The medium access control sub layer is especially important in LANs, many of which use a multiaccess channels as the basis for communication because multiaccess channels and LANs are so closely related. In the literature, broadcast channels are sometimes referred to as multiaccess channels or random access channels. In the multiple access protocols shows the more interesting ones such as ALOHA, ......
Pages: 13
Price: Rs 9.75   
 
Bluetooth - Architecture,Protocol Stack Total views (208)  
The basic unit of a bluetooth system is a piconet, which consists of a master node and up to seven active slave nodes within a distance of 10 meters. Multiple piconets can exist in the same An interconnected collection of piconets is called a scatternet (large) room and can even be connected via a bridge node.
Pages: 9
Price: Rs 6.75   
 
Bridges, Repeaters Total views (207)  
LANs can be connected by devices called bridges, which operate in the data link layer. This means that bridges do not examine the network layer header and can thus copy IP, IPX, and OSI packets equally well.
Pages: 14
Price: Rs 10.5   
 
Virtual LANS Total views (207)  
Ethernet had a major improvement over ALOHANET before transmitting; a computer first listened to the cable to see if someone else was already transmitting. If so, the computer held back until the current transmission finished. Doing so avoided interfering with existing transmissions, giving a much higher efficiency. With a single cable, this problem does not exist. Ethernet continued to develop a ......
Pages: 15
Price: Rs 11.25   
 
Network Layer Design Issues Total views (206)  
In this chapter we will study the getting to the destination may require making many hops at intermediate routers along the way. This function clearly contrasts with that of the data link layer, which has the more modest goal of just moving frames from one end of a wire to the other. Thus, the network layer is the lowest layer that deals with end-to-end transmission.
Pages: 10
Price: Rs 7.5   
 
Routing Algorithms Total views (209)  
In this chapter we will study the concepts of Routing algorithms .The main function of the network-"layer is routing packets from the source machine to the destination machine. In most sub-nets, packets will require multiple hops to make the journey. The only notable exception is for broadcast networks, but even here routing is an issue if the source and destination are not on the same network. Th ......
Pages: 18
Price: Rs 13.5   
 
Congestion Control Algorithms Total views (210)  
Congestion is a situation where too many packets are dumped into the subnet by the hosts leading to performance degradation. When the number of packets dumped into the subnet by the hosts is within its carrying capacity, they are all delivered (except for a few that are afflicted with transmission errors) and the number delivered is proportional to the number sent. At very high traffic, performan ......
Pages: 12
Price: Rs 9   
 
Internet Working Total views (206)  
Internetworking is a connection of two or more dissimilar networks (heterogeneous) like LANs, MANs & WANs to form internet.
Pages: 14
Price: Rs 10.5   
 
DNS: The Domain Name System Total views (204)  
The Domain Name System (DNS) is a hierarchical naming system built on a distributed database for computers, services, or any resource connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities. Most importantly, it translates domain names meaningful to humans into the numerical identifiers associated with netw ......
Pages: 10
Price: Rs 7.5   
 
Electronic Mail (email) Total views (204)  
Electronic mail, or e-mail.as it is known to its many fans, has been around for over two decades. Before 1990, it was mostly used in academia. During the 1990s, -it became known to the public at large and grew exponentially to the point where the number of emails sent per day now is vastly more than the number of snail mail (i.e., paper) letters.
Pages: 16
Price: Rs 12   
 
World Wide Web Total views (205)  
The term WWW refers to the World Wide Web or simply the Web. The World Wide Web consists of all the public Web sites connected to the Internet worldwide, including the client devices (such as computers and cell phones) that access Web content. The WWW is just one of many applications of the Internet and computer networks.
Pages: 34
Price: Rs 25.5   
 
Multimedia Total views (206)  
Multimedia networking is perhaps the most exciting development in the Internet today. People throughout the world are spending less time in front their radios and televisions and are instead turning to the Internet to receive audio and video emissions. both live and pre-recorded. As high speed access penetrates more residences. this trend will continue -- couch potatoes throughout the world will a ......
Pages: 8
Price: Rs 6   
 


 
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