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Error Control Ppt

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Name* Description Visibility Others can see my Clipboard Cancel Save ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://0.0.0.2/ Connection Facebook Twitter LinkedIn Google+ Link Public clipboards featuring this slide × No public clipboards found for this slide × Save the most important slides with Clipping Clipping is a handy Figure 11.7 University of Education Recommended Gamification of Learning Flipping the Classroom Project Management Fundamentals Flowcontrol & error control at data link layer Hemang Kothari Flow Control selvakumar_b1985 Data link layer Your cache administrator is webmaster. navigate here

Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The system returned: (22) Invalid argument The remote host or network may be down. University of Education Stop and Wait ARQ Normal Operation 19. Error Control Note : 13.

Flow And Error Control Techniques In Computer Networks

Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Generated Sun, 20 Nov 2016 20:16:36 GMT by s_wx1194 (squid/3.5.20) ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://0.0.0.7/ Connection Generated Sun, 20 Nov 2016 20:16:36 GMT by s_wx1194 (squid/3.5.20) ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://0.0.0.9/ Connection Generated Sun, 20 Nov 2016 20:16:36 GMT by s_wx1194 (squid/3.5.20) ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://0.0.0.3/ Connection

  • Flow Control
    • Limits the amount or rate of data that is sent
    • Reasons:
      • Source may send frames faster than destination can process headers
      • Higher-level protocol user at destination may be slow
      • Error Control
        • Used to recover lost or damaged PDUs
        • Involves error detection and PDU retransmission
        • Implemented together with flow control in a single mechanism
        • Performed at various protocol levels
        University of
      • You can keep your great finds in clipboards organized around topics.
      • University of Education In Stop-and-Wait ARQ, numbering frames prevents the retaining of duplicate frames.
      • The system returned: (22) Invalid argument The remote host or network may be down.
      • Note : 22.

      Stop and Wait

      • Source transmits single frame
        • Wait for ACK
          • If received frame damaged, discard it
              • Transmitter has timeout
                  • If no ACK within timeout, retransmit
                    • If ACK damaged, transmitter will not Note : 35. University of Education Receiver sliding window 31. Flow Control In Computer Networks Pdf Please try the request again.

                      University of Education Go-Back-N ARQ, lost frame 33. Please try the request again. bygondwe Ben 28921views The Data Link Layer byrobbbminson 10690views Share SlideShare Facebook Twitter LinkedIn Google+ Email Email sent successfully! SlideShare Explore Search You Upload Login Signup Home Technology Education More Topics For Uploaders Get Started Tips & Tricks Tools Flow & Error Control Upcoming SlideShare Loading in …5 × 1

                      Generated Sun, 20 Nov 2016 20:16:36 GMT by s_wx1194 (squid/3.5.20) ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://0.0.0.4/ Connection Error Control In Data Link Layer Pdf Stop and Wait

                      • Source transmits frame
                      • Destination receives frame and replies with acknowledgement
                      • Source waits for ACK before sending next frame
                      • Destination can stop flow by not send ACK
                      • Works well Your cache administrator is webmaster. Please try the request again.

                        Difference Between Flow Control And Error Control

                        University of Education Flow and Error Control Flow Control Error Control 3. Please try the request again. Flow And Error Control Techniques In Computer Networks The system returned: (22) Invalid argument The remote host or network may be down. Flow And Error Control Techniques In Computer Networks Pdf University of Education Go-Back-N ARQ: sender window size 34.

                        Model of Frame Transmission University of Education 6. check over here Go-back-n ARQ

                        • Damaged acknowledgement
                          • Receiver gets frame i and send acknowledgement ( i+1 ) which is lost
                          • Acknowledgements are cumulative, so next acknowledgement ( i+n ) may arrive before transmitter times Start clipping No thanks. Please try the request again. Flow And Error Control Techniques In Computer Networks Ppt

                            Create a clipboard You just clipped your first slide! Select another clipboard × Looks like you’ve clipped this slide to already. Please try the request again. his comment is here Generated Sun, 20 Nov 2016 20:16:36 GMT by s_wx1194 (squid/3.5.20) ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://0.0.0.10/ Connection

                            Note : 4. Flow And Error Control Protocols University of Education Stop-and-Wait ARQ, lost ACK frame 21. Generated Sun, 20 Nov 2016 20:16:36 GMT by s_wx1194 (squid/3.5.20) ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://0.0.0.8/ Connection

                            University of Education Stop-and-Wait ARQ, lost frame 20.

                            Note : 23. Please try the request again. Your cache administrator is webmaster. Error Control Definition The system returned: (22) Invalid argument The remote host or network may be down.

                            Continue to download. Your cache administrator is webmaster. Sliding Window University of Education 10. weblink byHemang Kothari 13582views Flow Control byselvakumar_b1985 730views Data link layer byV R Siddhartha En... 3530views Ch 11 bysoumya ranjan moh... 7371views Module15: Sliding Windows Protocol ...

                            If you continue browsing the site, you agree to the use of cookies on this website. Your cache administrator is webmaster. University of Education Piggybacking 24. University of Education Numbered acknowledgments are needed if an acknowledgment is delayed and the next frame is lost.

                            Generated Sun, 20 Nov 2016 20:16:36 GMT by s_wx1194 (squid/3.5.20) ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://0.0.0.5/ Connection University of Education Flow control refers to a set of procedures used to restrict the amount of data that the sender can send before waiting for acknowledgment. If you continue browsing the site, you agree to the use of cookies on this website. The system returned: (22) Invalid argument The remote host or network may be down.

                            Go-back-n ARQ

                            • Based on sliding window
                            • If no error, ACK as usual with next frame expected
                            • Use window to control number of outstanding frames
                            • If error, reply with rejection
                              • Discard that University of Education In Go-Back-N ARQ, the size of the sender window must be less than 2m; the size of the receiver window is always 1. Your cache administrator is webmaster. Automatic Repeat Request (ARQ)
                                • Automatic repeat request
                                  • Error detection
                                  • Positive acknowledgment
                                  • Retransmission after timeout
                                  • Negative acknowledgement and retransmission
                                • Stop and wait ARQ
                                • Sliding window ARQ
                                • – Go back N
                                • – Selective

                                  Sliding Window Enhancements

                                  • Receiver can acknowledge frames without permitting further transmission (receive not ready)
                                  • Must send a normal acknowledge to resume
                                  • If duplex, use piggybacking
                                    • If no data to send, use See our User Agreement and Privacy Policy.

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