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ece computer networks lab manualDownload link for ECE 6th SEM EC6611 COMPUTER NETWORKS (CN) Laboratory Manual is listed down for students to make perfect utilization and score maximum marks with our study materials. Study of Network simulator (NS) and simulation of Congestion Control Algorithms using NS 12. Encryption and decryption. Discover everything Scribd has to offer, including books and audiobooks from major publishers. Start Free Trial Cancel anytime. Report this Document Download Now Save Save Ec6611 Computer Networks Lab Manual For Later 0 ratings 0 found this document useful (0 votes) 98 views 158 pages Ec6611 Computer Networks Lab Manual Uploaded by saran Description: computer network lab manual Full description Save Save Ec6611 Computer Networks Lab Manual For Later 0 0 found this document useful, Mark this document as useful 0 0 found this document not useful, Mark this document as not useful Embed Share Print Download Now Jump to Page You are on page 1 of 158 Search inside document Browse Books Site Directory Site Language: English Change Language English Change Language. This manual makes sure. Data Communication And Computer Networking. Data Communication And Computer Networking Lab Manual PDF. Traxcavator 931 78U1-78U3913 Parts Difference Learn More. Data Communication And Computer Networking Lab Manual from instagram. How much is your Parts Manual, 471 pages. Data Communication And Computer Networking Lab Manual from facebook. If you have a D7H D8 D8H D8L D8N D8R D9G: Find Bulldozer Parts On eBay Below: John deere 6300 6305 6310 Bulldozer Parts. With And pictures giving you great detail on assembly and disassembly. Machine Match Makes a. Valid country Data Communication And Computer Networking Lab Manual December 2016 Modern. Networking and Data Communications Laboratory a variety of networks and data communications texts. With numbered pictures giving you great detail on parts And the job. Data Communication And Computer Networking Lab Manual from cloud storage.http://floridahouselottery.com/test/userfiles/crystal-clear-audio-monitor-manual.xml

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New 24v 12t Starter Fits Caterpillar Pipelayer 561d the OEM specifications. Case Excavator Car Shop. New 24v 12t Starter Parts And, 612 pages. Online Data Communication And Computer Networking Lab Manual file sharing.Fs 45 Trimmer Manual, 2016 Saturn Car Manual, Amarok Owner Manual, Keystone Hornet Rv Manual, 2015 Hyundai Accent Engine Manual Reload to refresh your session. Reload to refresh your session. The material taught will form the foundation for more advanced courses in computer networks.http://alroglobal.com/images/car-audio-manuals-download.pdf In each objective below, the number(s) in parenthesis represents the element(s) of ABET Criterion 3 met by the objective. Learn the use of other Unix network management commands (netstat, tcpdump, traceroute, ifconfig). ( 1, 5, 6 ) Learn the use of Unix network management commands (arp and ping). ( 1, 5, 6 ) Apply the techniques learned to analyze the performance of new network protocols. ( 1, 5, 6 ). Groups Discussions Quotes Ask the Author In this course, students are going to experiment in a real test-bed networking environment, and learn about network design and troubleshooting topics and tools such as: network addressing, Address Resolution Protocol (ARP), basic trouble In this course, students are going to experiment in a real test-bed networking environment, and learn about network design and troubleshooting topics and tools such as: network addressing, Address Resolution Protocol (ARP), basic troubleshooting tools (e.g. ping, ICMP), IP routing (e, g, RIP), route discovery (e.g. traceroute), TCP and UDP, IP fragmentation and many others. Student will also be introduced to the network modeling and simulation, and they will have the opportunity to build some simple networking models using the tool and perform simulations that will help them evaluate their design approaches and expected network performance To see what your friends thought of this book,This book is not yet featured on Listopia.There are no discussion topics on this book yet. VersionLast UpdatedDownload Computer Network Lab Manual for JNTUH, JNTUK, JNTUA Students. CN Lab manual in pdf. People seeking this manual can easily download it fro here. But students of all other University Such as Anna University, VTU, WBUT, GGU, Lovely University, Osmania, and all other University Students can also download this Computer Network Lab Manual in pdf format. Download CN Lab Notes PDF For now on this particular page we have provided CN lab manual in pdf for JNTUH JNTUK or JNTUA Students of B.Tech. So scroll above and download Computer Network Lab manual and if you face any problem, don't hesitate to write about it to us. You may download other lab manuals and if you didn't find your desired lab manual, you may ask us to provide the same by leaving the name of subject in the comments section below.All Rights Reserved Pin It on Pinterest Don't forget to shout out of this information. The reason is the electronic devices divert your attention and also cause strains while reading eBooks.Hope this post is helpful to you. Have a great day ! Notify me of new posts by email. Enter Your Email Address We started LearnEngineering as a passion, and now it’s empowering many readers by helping them to understand the engineering concepts from ours blog. learn more. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you! Please wait. Jorg Liebeherr University of Toronto. Jorg Liebeherr University of TorontoHowever, restrictions in the Faculty of Engineering limit the credit that can be given to “not closely supervised work”Exercises to be completed in advance of the associated lab session. The prelabs ask you to acquire background knowledge that is needed during the lab exercises. Each prelab has a question sheet that must be completed before the corresponding lab session. The answers to the prelab questions are graded.Lab exercises that are performed on the equipment of the Internet lab. All lab exercises can be completed without supervision. The time to complete a lab session should be three hours on the average, but may vary. Complete the laboratory activities to the extent that you can. The activities during the lab session are not graded, however, data collected during the lab session are needed to complete a lab report. Floppy disk symbol in the lab manual indicates when you have to collect data.After each lab session, you prepare a lab report that summarizes and analyzes the findings from the lab session. A notepad symbol indicates an assignment for the lab report. The lab reports should be submitted as a typewritten document. The lab report is generally due 1 week after the lab session. The lab report is graded. Each lab has an anonymous feedback sheet. The feedback sheet must be submitted with the lab report. (It is used to improve the setup and organization of the labs) Note: Saved data should be included in the report only if it is requested in the lab report, and if it is used to answer a question. Filtering the relevant measurements for the answers of the lab report is part of the analysis. Notepad symbolYou will work on administrative (root) accounts. Please exercise caution when modifying the configuration of the Internet Lab equipment. NEW: The Linux PCs are booted from a CD (LiveCD). Each time the PCs are re-booted they are set to the same initial state. All changes on the PC are lost when rebooting the system.Sign up for a time slot in class. Your time slot is allocated for the entire semester.To use this website, you must agree to our Privacy Policy, including cookie policy. A network is a set of devices connected by physical media links. A network is recursively is a connection of two or more nodes by a physical link or two or more networks connected by one or more nodes. Such a physical medium is called as Link. Such a physical medium is called as Links and the computer it connects is called as Nodes. A node that is connected to two or more networks is commonly called as router or Gateway. It generally forwards message from one network to another. If the physical links are limited to a pair of nodes it is said to be point-point link. If the physical links are shared by more than two nodes, it is said to be Multiple Access. The key elements of protocols are a. Syntax It refers to the structure or format of the data, that is the order in which they are presented. b. Semantics It refers to the meaning of each section of bits. c. Timing Timing refers to two characteristics: When data should be sent and how fast they can be sent. Network performance is measured in Bandwidth (throughput) and Latency (Delay). Bandwidth of a network is given by the number of bits that can be transmitted over the network in a certain period of time. Latency corresponds to how long it t5akes a message to travel from one end off a network to the other. It is strictly measured in terms of time. The processes on each machine that communicate at a given layer are called peer-peer process. It is possible that a switch receives packets faster than the shared link can accommodate and stores in its memory, for an extended period of time, then the switch will eventually run out of buffer space, and some packets will have to be dropped and in this state is said to congested state. Defining a useful channel involves both understanding the applications requirements and recognizing the limitations of the underlying technology. The gap between what applications expects and what the underlying technology can provide is called semantic gap. The duration of time it takes to send a message from one end of a network to the other and back, is called RTT. Multiplexing is the set of techniques that allows the simultaneous transmission of multiple signals across a single data link. In STDM, the multiplexer allocates exactly the same time slot to each device at all times, whether or not a device has anything to transmit. The Transport layer links the network support layers and user support layers. Physical layer coordinates the functions required to transmit a bit stream over a physical medium. a. Physical characteristics of interfaces and media b. Representation of bits c. Data rate d. Synchronization of bits e. Line configuration f. Physical topology g. Transmission mode The Data Link Layer transforms the physical layer, a raw transmission facility, to a reliable link and is responsible for node-node delivery. a. Framing b. Physical Addressing c. Flow Control d. Error Control e. Access Control The Network Layer is responsible for the source-to-destination delivery of packet possibly across multiple networks (links). a. Logical Addressing b. Routing The Transport Layer is responsible for source-to-destination delivery of the entire message. a. Service-point Addressing b. Segmentation and reassembly c. Connection Control d. Flow Control e. Error Control The Session layer is the network dialog Controller. It establishes, maintains and synchronizes the interaction between the communicating systems. a. Dialog control b. Synchronization The Presentation layer is concerned with the syntax and semantics of the information exchanged between two systems. a. Translation b. Encryption c. Compression The Application Layer enables the user, whether human or software, to access the network. It provides user interfaces and support for services such as e-mail, shared database management and other types of distributed information services. a. Network virtual Terminal b. File transfer, access and Management (FTAM) c. Mail services d. Directory Services Nodes and Links. Satellite Communication What are its methods. Data can be corrupted during transmission. For reliable communication errors must be deducted and Corrected. Error Detection uses the concept of redundancy, which means adding extra bits for detecting errors at the destination. The common Error Detection methods are a. Vertical Redundancy Check (VRC) b. Longitudinal Redundancy Check (VRC) c. Cyclic Redundancy Check (VRC) d. Checksum This technique is called redundancy. In VRC, a parity bit is added to every data unit so that the total number of 1s becomes even for even parity. It can detect all single-bit errors. It can detect burst errors only if the total number of errors in each data unit is odd. It can detect burst errors. If two bits in one data unit are damaged and bits in exactly the same positions in another data unit are also damaged, the LRC checker will not detect an error. In LRC a redundant data unit follows n data units. Data link protocols are sets of specifications used to implement the data link layer. The categories of Data Link protocols are In error detection, checks only any error has occurred. In error correction, the exact number of bits that are corrupted and location in the message are known. The number of the errors and the size of the message are important factors. Forward error correction is the process in which the receiver tries to guess the message by using redundant bits. Re transmission is a technique in which the receiver detects the occurrence of an error and asks the sender to resend the message. Re sending is repeated until a message arrives that the receiver believes is error-freed. In block coding, we divide our message into blocks, each of k bits, called datawords. The block coding process is one-to-one. The same dataword is always encoded as the same codeword. These codewords are invalid or illegal. A linear block code is a code in which the exclusive OR (addition modulo-2) of two valid codewords creates another valid codeword. Cyclic codes are special linear block codes with one extra property. In a cyclic code, if a codeword is cyclically shifted (rotated), the result is another codeword. A circuit that is used to convert between digital video and analog video. The term is often used in reference to MPEG-2 video and sound data, which must be decoded before it is output. The destination address defines where the packet has to go and the sender address helps the recipient acknowledge the receipt. In fixed-size framing, there is no need for defining the boundaries of the frames. The size itself can be used as a delimiter. In byte stuffing (or character stuffing), a special byte is added to the data section of the frame when there is a character with the same pattern as the flag. The data section is stuffed with an extra byte. This byte is usually called the escape character (ESC), which has a predefined bit pattern. Whenever the receiver encounters the ESC character, it removes it from the data section and treats the next character as data, not a delimiting flag. Bit stuffing is the process of adding one extra 0 whenever five consecutive Is follow a 0 in the data, so that the receiver does not mistake the pattern 0111110 for a flag. Flow control refers to a set of procedures used to restrict the amount of data that the sender can send before waiting for acknowledgment. Error control is both error detection and error correction. It allows the receiver to inform the sender of any frames lost or damaged in transmission and coordinates the retransmission of those frames by the sender. In the data link layer, the term error control refers primarily to methods of error detection and re transmission. Error control is both error detection and error correction. In the data link layer, the term error control refers primarily to methods of error detection and retransmission. Error control in the data link layer is often implemented simply: Any time an error is detected in an exchange, specified frames are retransmitted. This process is called automatic repeat request (ARQ). In Stop and wait protocol, sender sends one frame, waits until it receives confirmation from the receiver (okay to go ahead), and then sends the next frame. Error correction in Stop-and-Wait ARQ is done by keeping a copy of the sent frame and retransmitting of the frame when the timer expires. The protocol specifies that frames need to be numbered. This is done by using sequence numbers. A field is added to the data frame to hold the sequence number of that frame. Since we want to minimize the frame size, the smallest range that provides unambiguous communication. The sequence numbers can wrap around. In networking and in other areas, a task is often begun before the previous task has ended. This is known as pipelining. The sliding window is an abstract concept that defines the range of sequence numbers that is the concern of the sender and receiver. In other words, he sender and receiver need to deal with only part of the possible sequence numbers. A technique called piggybacking is used to improve the efficiency of the bidirectional protocols. When a frame is carrying data from A to B, it can also carry control information about arrived (or lost) frames from B; when a frame is carrying data from B to A, it can also carry control information about the arrived (or lost) frames from A. Transmission is a physical movement of information and concern issues like bit polarity, synchronisation, clock etc. Communication means the meaning full exchange of information between two communication media. The function of PAD (Packet Assembler Disassembler) is described in a document known as X.3. The standard protocol has been defined between the terminal and the PAD, called X.28; another standard protocol exists between hte PAD and the network, called X.29. Together, these three recommendations are often called “triple X”. Frame relay is a packet switching technology. It will operate in the data link layer. Telnet is also called as terminal emulation. It belongs to application layer. Beaconing is used in Token ring and FDDI networks. This comes under presentation layer. A transport protocol designed by microsoft and IBM for the use on small subnets. When the computers on the network simply listen and receive the signal, they are referred to as passive because they don’t amplify the signal in any way. Example for passive topology -linear bus. A communications protocol used to connect computers to remote networking services including Internet service providers. A gateway operates at the upper levels of the OSI model and translates information between two completely different network architectures or data formats. The degeneration of a signal over distance on a network cable is called attenuation. The address for a device as it is identified at the Media Access Control (MAC) layer in the network architecture. MAC address is usually stored in ROM on the network adapter card and is unique. Bit rate is the number of bits transmitted during one second whereas baud rate refers to the number of signal units per second that are required to represent those bits.This limited range is called the bandwidth. Signals are usually transmitted over some transmission media that are broadly classified in to two categories. a.) Guided Media: These are those that provide a conduit from one device to another that include twisted-pair, coaxial cable and fiber-optic cable. A signal traveling along any of these media is directed and is contained by the physical limits of the medium. Twisted-pair and coaxial cable use metallic that accept and transport signals in the form of electrical current. Optical fiber is a glass or plastic cable that accepts and transports signals in the form of light. b.) Unguided Media: This is the wireless media that transport electromagnetic waves without using a physical conductor. Signals are broadcast either through air. This is done through radio communication, satellite communication and cellular telephony. It is a project started by IEEE to set standards to enable intercommunication between equipment from a variety of manufacturers. It is a way for specifying functions of the physical layer, the data link layer and to some extent the network layer to allow for interconnectivity of major LAN protocols. It consists of the following: 1. 802.1 is an internetworking standard for compatibility of different LANs and MANs across protocols. 2. 802.2 Logical link control (LLC) is the upper sublayer of the data link layer which is non-architecture-specific, that is remains the same for all IEEE-defined LANs. 3. Media access control (MAC) is the lower sublayer of the data link layer that contains some distinct modules each carrying proprietary information specific to the LAN product being used. The modules are Ethernet LAN (802.3), Token ring LAN (802.4), Token bus LAN (802.5). 4. 802.6 is distributed queue dual bus (DQDB) designed to be used in MANs. The data unit in the LLC level is called the protocol data unit (PDU). The PDU contains of four fields a destination service access point (DSAP), a source service access point (SSAP), a control field and an information field. DSAP, SSAP are addresses used by the LLC to identify the protocol stacks on the receiving and sending machines that are generating and using the data. It receives the signal in the network before it becomes weak, regenerates the original bit pattern and puts the refreshed copy back in to the link. 2. Bridges: These operate both in the physical and data link layers of LANs of same type. They divide a larger network in to smaller segments. They contain logic that allow them to keep the traffic for each segment separate and thus are repeaters that relay a frame only the side of the segment containing the intended recipent and control congestion. 3. Routers: They relay packets among multiple interconnected networks (i.e. LANs of different type). They operate in the physical, data link and network layers. They contain software that enable them to determine which of the several possible paths is the best for a particular transmission. 4. Gateways: They relay packets among networks that have different protocols (e.g. between a LAN and a WAN). They accept a packet formatted for one protocol and convert it to a packet formatted for another protocol before forwarding it. They operate in all seven layers of the OSI model. It also handles both control and error messages. The data unit created at the application layer is called a message, at the transport layer the data unit created is called either a segment or an user datagram, at the network layer the data unit created is called the datagram, at the data link layer the datagram is encapsulated in to a frame and finally transmitted as signals along the transmission media. The header should have a minimum length of 20 bytes and can have a maximum length of 60 bytes. The Trivial File Transfer Protocol (TFTP) allows a local host to obtain files from a remote host but does not provide reliability or security. It uses the fundamental packet delivery services offered by UDP. It uses the services offer by TCP and so is reliable and secure. It establishes two connections (virtual circuits) between the hosts, one for data transfer and another for control information. Advantages: Inexpensive, easy to install, simple to understand, easy to extend. Advantages: Can be inexpensive, easy to install and reconfigure and easy to trouble shoot physical problems. Advantages: All computers have equal access to network media, installation can be simple, and signal does not degrade as much as in other topologies because each computer regenerates it. A network in which there are multiple network links between computers to provide multiple paths for data to travel. In a baseband transmission, the entire bandwidth of the cable is consumed by a single signal. In broadband transmission, signals are sent on multiple frequencies, allowing multiple signals to be sent simultaneously. Routable protocols can work with a router and can be used to build large networks. Non-Routable protocols are designed to work on small, local networks and cannot be used with a router.