PPT-Link Layer I: Link Establishment,

Medium Access Control COS 463 Wireless Networks Lecture 4 Kyle Jamieson Enables exchange of atomic messages frames between end hosts on the same network Functions in L2 Determine start and end of bits and frames . CS. 3516 – Computer Networks. Chapter 5: The Data Link Layer. Goals:. . U. nderstand . principles behind data link layer services:. E. rror . detection, correction. S. haring . a broadcast channel: multiple access. 5-. 1. Chapter 5. Link Layer and LANs. Computer Networking: A Top Down Approach . 4. th. edition. . Jim Kurose, Keith Ross. Addison-Wesley, July 2007. . Computer Networking: A Top Down Approach . 5. Layer Review. . Advanced Computer Networks. Advanced Computer Networks . Data Link Layer. Data Link Layer. Provides a . well-defined service interface. to the network layer.. Determines how the bits of the physical layer are grouped into frames . 5-. 1. . Review of . MAC protocols. channel partitioning,. by time, frequency or code. Time Division, Frequency Division. random access . (dynamic), . ALOHA, S-ALOHA, CSMA, CSMA/CD. carrier sensing: easy in some technologies (wire), hard in others (wireless). 5-. 1. . Review of . MAC protocols. channel partitioning,. by time, frequency or code. Time Division, Frequency Division. random access . (dynamic), . ALOHA, S-ALOHA, CSMA, CSMA/CD. carrier sensing: easy in some technologies (wire), hard in others (wireless). 6. th. edition . Jim Kurose, Keith Ross. Addison-Wesley. March 2012. A note on the use of these . ppt. slides:. We. ’. re making these slides freely available to all (faculty, students, readers). They. Data Link Layer Outline. Parallelism between Transport and Data Link Layer. Tanenbaum’s. Treatment/Model of Data Link Layer. Protocol 1: Utopia. Protocol 2: Stop-and-Wait. Protocol 3: Positive Acknowledgment with Retransmission [. CS 280:. Link Layer and LANs. Most slides adapted from Kurose and Ross, Computer Networking 7. /e . Source material copyright . 1996-2016. J.F Kurose and K.W. Ross. Chapter . 6: . Link . layer and LANs. Approach . 7. th. edition . Jim Kurose, Keith Ross. Pearson/Addison Wesley. April 2016. Chapter . 6. The Link Layer . and LANs. 6. -. 1. Link Layer and LANs. A note on . these slides. :. The slides used in this class were derived from ones provided by Jim Kurose and Keith Ross, authors of the textbook for the course.. Advanced . Computer Networks . Term . D11. Data Link Layer Outline. Parallelism between Transport and Data Link Layer. Tanenbaum’s. Treatment/Model of Data Link Layer. Protocol 1: Utopia. Protocol 2: Stop-and-Wait. COS . 463. : Wireless . Networks. Lecture. . 5. Kyle Jamieson. [Parts adapted from . J.. . Kurose,. . K. Ross,. . D.. . Holmar. ]. Packet radio Wireless LAN Wired LAN. ALOHAnet . 1960s. Amateur packet radio Ethernet . . Error-detection and -correction Techniques. Multiple Access Links and Protocols. Switched Local Area Networks . Link Virtualization: a Network as a Link Layer . Data Center Networking . Retrospective: A Day in the Life of a Web Page Request. Introduction to Networks v7.0 (ITN). Module Objectives. Module Title: . Data Link Layer. Module Objective. : Explain how media access control in the data link layer supports communication across networks. Terminology:. hosts and routers are . nodes. communication channels that connect adjacent nodes along communication path are . links. wired links. wireless links. LANs. layer-2 packet is a . frame. ,.