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Data Link Layer Services and Protocols PowerPoint PPT Presentation

Data Link Layer Services and Protocols - Data Link Layer Services and Protocols Arzad A. Kherani (alam@cse.iitd.ac.in) Dept. of Computer Sc. And Engg. Indian Institute of Technology Delhi

Data Link Layer Services and Protocols Arzad A. Kherani (alam@cse.iitd.ac.in) Dept. of Computer Sc. And Engg. Indian Institute of Technology Delhi

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Data Link Layer Services and Protocols - Provides a capability for higher-layer entities to send 'packets' ... packet is itself encapsulated into a 'frame', adding to it 'header' and 'trailer' ...

Provides a capability for higher-layer entities to send 'packets' ... packet is itself encapsulated into a 'frame', adding to it 'header' and 'trailer' ...

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Chapter 2: PeertoPeer Protocols and Data Link Layer PowerPoint PPT Presentation

Chapter 2: PeertoPeer Protocols and Data Link Layer - ... Synchronous Communications protocol (Bisync): character-oriented data link control ... Protocol (RFC 1350): simple protocol for file transfer over UDP ...

... Synchronous Communications protocol (Bisync): character-oriented data link control ... Protocol (RFC 1350): simple protocol for file transfer over UDP ...

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CS3502: Data and Computer Networks DATA LINK LAYER 1 PowerPoint PPT Presentation

CS3502: Data and Computer Networks DATA LINK LAYER 1 - to a group of data bits add a single extra bit, known as the parity bit. ... example: data bits 0011001; add parity bit 1 --- 00110011. exercise: construct a FSM to ...

to a group of data bits add a single extra bit, known as the parity bit. ... example: data bits 0011001; add parity bit 1 --- 00110011. exercise: construct a FSM to ...

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Chapter 5 Peer-to-Peer Protocols and Data Link Layer PowerPoint PPT Presentation

Chapter 5 Peer-to-Peer Protocols and Data Link Layer - Perform error control at every hop in the network or only between the source and destination? ... Data Link operates over wire-like, directly-connected systems ...

Perform error control at every hop in the network or only between the source and destination? ... Data Link operates over wire-like, directly-connected systems ...

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Data Link Layer PowerPoint PPT Presentation

Data Link Layer - Data Link Layer Two sublayer: Medium access sublayer (MAC) Logical link control (LLC)

Data Link Layer Two sublayer: Medium access sublayer (MAC) Logical link control (LLC)

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Data Link Layer - Data Link Layer Dr. Oualid Ben Ali 4 - *

Data Link Layer Dr. Oualid Ben Ali 4 - *

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Data Link Layer: Part 2 PowerPoint PPT Presentation

Data Link Layer: Part 2 - Data Link Layer: Part 2 Broadcast LAN and Media Access Control Taxonomy of MAC Protocols Random Access: Aloha and slotted Aloha CDMA and CDMA/CD Ethernet and Its ...

Data Link Layer: Part 2 Broadcast LAN and Media Access Control Taxonomy of MAC Protocols Random Access: Aloha and slotted Aloha CDMA and CDMA/CD Ethernet and Its ...

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Chapter 5: The Data Link Layer PowerPoint PPT Presentation

Chapter 5: The Data Link Layer - Chapter 5: The Data Link Layer Our goals: understand principles behind data link layer services: error detection, correction sharing a broadcast channel: multiple access

Chapter 5: The Data Link Layer Our goals: understand principles behind data link layer services: error detection, correction sharing a broadcast channel: multiple access

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Chapter 5: The Data Link Layer - Chapter 5: The Data Link Layer Our goals: understand principles behind data link layer services: error detection, correction sharing a broadcast channel: multiple access

Chapter 5: The Data Link Layer Our goals: understand principles behind data link layer services: error detection, correction sharing a broadcast channel: multiple access

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Chapter 5: The Data Link Layer - Chapter 5: The Data Link Layer Our goals: understand principles behind data link layer services: error detection, correction sharing a broadcast channel: multiple access

Chapter 5: The Data Link Layer Our goals: understand principles behind data link layer services: error detection, correction sharing a broadcast channel: multiple access

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Data Link Layer - The receiver divides the incoming frame by the same number ... CRC is used by all advanced data link protocols, for the following reasons: ...

The receiver divides the incoming frame by the same number ... CRC is used by all advanced data link protocols, for the following reasons: ...

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Data Link Protocols PowerPoint PPT Presentation

Data Link Protocols - Two CANs are sent to abort a transmission. ITU-CRC-16 is used for error checking. ... Data frames are used to transmit info, but may also contain ctrl info applicable ...

Two CANs are sent to abort a transmission. ITU-CRC-16 is used for error checking. ... Data frames are used to transmit info, but may also contain ctrl info applicable ...

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The Data Link Layer PowerPoint PPT Presentation

The Data Link Layer - Computer Network The Data Link Layer * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Go Back N (1) Based on sliding window If no error, ACK as usual with ...

Computer Network The Data Link Layer * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Go Back N (1) Based on sliding window If no error, ACK as usual with ...

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Chapter 5: The Data Link Layer - Chapter 5: The Data Link Layer Our goals: understand principles behind data link layer services: error detection, correction sharing a broadcast channel: multiple access

Chapter 5: The Data Link Layer Our goals: understand principles behind data link layer services: error detection, correction sharing a broadcast channel: multiple access

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Data/Link Layer Issues PowerPoint PPT Presentation

Data/Link Layer Issues - What the IEEE standard covers- Physical layer and. interface to ... CSMA/CD 'Carrier Sense/Multiple Access. with Collision Detection' ... CSMA/CD - A ...

What the IEEE standard covers- Physical layer and. interface to ... CSMA/CD 'Carrier Sense/Multiple Access. with Collision Detection' ... CSMA/CD - A ...

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Chapter 5: The Data Link Layer - travel agent = routing algorithm. 5: DataLink Layer. 5-5. Link ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ' ...

travel agent = routing algorithm. 5: DataLink Layer. 5-5. Link ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ' ...

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Data Link Control Protocols PowerPoint PPT Presentation

Data Link Control Protocols - Model for Frame Transmission over a link. Frame lost: (error in start flag) ... When it becomes ready, RX must send a normal acknowledge (RR 5) later for TX to ...

Model for Frame Transmission over a link. Frame lost: (error in start flag) ... When it becomes ready, RX must send a normal acknowledge (RR 5) later for TX to ...

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OSI data link layer PowerPoint PPT Presentation

OSI data link layer - The router removes the old frame and adds a new header and trailer for the next hop. ... Half duplex: data can only travel one way at a time so one device can ...

The router removes the old frame and adds a new header and trailer for the next hop. ... Half duplex: data can only travel one way at a time so one device can ...

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The Data Link Layer - (b) Four examples of byte sequences before and after stuffing. ... Bit stuffing (a) The original data. (b) The data as they appear on the line. ...

(b) Four examples of byte sequences before and after stuffing. ... Bit stuffing (a) The original data. (b) The data as they appear on the line. ...

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Data Link Protocols - A data link protocol is the set of rules used to send data over an ... Start countdown to timeout event k (timeout period is a system parameter). Stop timer k. ...

A data link protocol is the set of rules used to send data over an ... Start countdown to timeout event k (timeout period is a system parameter). Stop timer k. ...

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Data Link Layer Issues - Frequency or time-division multiplexing can be used to share links in such a network ... Twisted pair is called a logical star topology, while still a physical ...

Frequency or time-division multiplexing can be used to share links in such a network ... Twisted pair is called a logical star topology, while still a physical ...

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Chapter 5: The Data Link Layer - Chapter 5: The Data Link Layer Application Transport Network data link layer service Moving data between nearby network elements Move data between end-host and router

Chapter 5: The Data Link Layer Application Transport Network data link layer service Moving data between nearby network elements Move data between end-host and router

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Chapter 5: The Data Link Layer - single active node can continuously transmit at full rate of channel. highly decentralized: only slots in nodes need to be in sync. simple. Cons ...

single active node can continuously transmit at full rate of channel. highly decentralized: only slots in nodes need to be in sync. simple. Cons ...

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The Data Link Layer - Services: reliably deliver a data link packet between two physically connected machines ... slot size equals fixed packet transmission time ...

Services: reliably deliver a data link packet between two physically connected machines ... slot size equals fixed packet transmission time ...

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Chapter 5: The Data Link Layer - Chapter 5: The Data Link Layer Application Transport Network data link layer service Moving data between nearby network elements Move data between end-host and router

Chapter 5: The Data Link Layer Application Transport Network data link layer service Moving data between nearby network elements Move data between end-host and router

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Chapter 4 Data Link Layer PowerPoint PPT Presentation

Chapter 4 Data Link Layer - Chapter 4 Data Link Layer Framing Error control Flow control Multiplexing Link Maintenance Security Services Transfers frames across direct connections Directly ...

Chapter 4 Data Link Layer Framing Error control Flow control Multiplexing Link Maintenance Security Services Transfers frames across direct connections Directly ...

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Chapter 5: The Data Link Layer - reliable data transfer, flow control: done! ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ' ...

reliable data transfer, flow control: done! ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ' ...

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Data Link Protocols - Use SPIN to model-check successively more complex protocols ... Just set a timer on the sender, if the timer buzzes resend. Why doesn't that work? ...

Use SPIN to model-check successively more complex protocols ... Just set a timer on the sender, if the timer buzzes resend. Why doesn't that work? ...

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Link Layer Protocols PowerPoint PPT Presentation

Link Layer Protocols - Framing and link access: encapsulate datagram into frame adding header and ... protects users from interference and jamming (used in WW II) ...

Framing and link access: encapsulate datagram into frame adding header and ... protects users from interference and jamming (used in WW II) ...

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Data Link Control Protocols - Chapter 3: Signals and their transmission over ... Chapter 6: Data Communication: Synchronization, Error ... Tf = LTb = L/R. 10. Data Fragmentation ...

Chapter 3: Signals and their transmission over ... Chapter 6: Data Communication: Synchronization, Error ... Tf = LTb = L/R. 10. Data Fragmentation ...

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Chapter 5: The Data Link Layer - Chapter 5: The Data Link Layer Application Transport Network data link layer service Moving data between nearby network elements Move data between end-host and router

Chapter 5: The Data Link Layer Application Transport Network data link layer service Moving data between nearby network elements Move data between end-host and router

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Concurrent Server Using Selective Repeat Data Link Layer PowerPoint PPT Presentation

Concurrent Server Using Selective Repeat Data Link Layer - To implement a simple concurrent server and clients having four emulated network ... Disassemble and assemble packets from Msg. No ACK in this layer ...

To implement a simple concurrent server and clients having four emulated network ... Disassemble and assemble packets from Msg. No ACK in this layer ...

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The Data Link Layer - Bit stream is broken into discrete frames: consists of bit ... bit stuffing is needed. Physical layer coding violations. SD. Data. FCS. ED. SD = start delimiter ...

Bit stream is broken into discrete frames: consists of bit ... bit stuffing is needed. Physical layer coding violations. SD. Data. FCS. ED. SD = start delimiter ...

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The Data Link Layer - travel agent = routing algorithm. DataLink Layer. 5-5. Link Layer ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ' ...

travel agent = routing algorithm. DataLink Layer. 5-5. Link Layer ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ' ...

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CS3505: DATA LINK LAYER PowerPoint PPT Presentation

CS3505: DATA LINK LAYER - to a group of data bits add a single extra bit, known as the parity bit. ... CFSM specification, AB protocol. reachability analysis. efficiency. protocol specification ...

to a group of data bits add a single extra bit, known as the parity bit. ... CFSM specification, AB protocol. reachability analysis. efficiency. protocol specification ...

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Chapter 5: The Data Link Layer - understand principles behind data link layer services: error ... Two Dimensional Bit Parity: Detect and correct single bit errors. 0. 0. 5: DataLink Layer ...

understand principles behind data link layer services: error ... Two Dimensional Bit Parity: Detect and correct single bit errors. 0. 0. 5: DataLink Layer ...

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Chapter 3: The Data Link Layer PowerPoint PPT Presentation

Chapter 3: The Data Link Layer - ... Link Control (SDLC) ... SDLC is capable of supporting both half-duplex and full-duplex ... Extended address: SDLC allows for an 8-bit address, whereas HDLC ...

... Link Control (SDLC) ... SDLC is capable of supporting both half-duplex and full-duplex ... Extended address: SDLC allows for an 8-bit address, whereas HDLC ...

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The Data-Link Layer: Ethernet, ARP and LANs PowerPoint PPT Presentation

The Data-Link Layer: Ethernet, ARP and LANs - The Data-Link Layer: Ethernet, ARP and LANs Based on s from the Computer Networking: A Top Down Approach Featuring the Internet by Kurose and Ross

The Data-Link Layer: Ethernet, ARP and LANs Based on s from the Computer Networking: A Top Down Approach Featuring the Internet by Kurose and Ross

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Week 1 Introduction and Data Link Layer PowerPoint PPT Presentation

Week 1 Introduction and Data Link Layer - Typical questions here ar e how many volts should be used to represent a 1 and ... For IP over ATM, ATM is viewed by IP as a a data link layer ...

Typical questions here ar e how many volts should be used to represent a 1 and ... For IP over ATM, ATM is viewed by IP as a a data link layer ...

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CS 352 Internet Technology Data Link Layer PowerPoint PPT Presentation

CS 352 Internet Technology Data Link Layer - Creating the illusion of a reliable link. 5. Modes of Operation. Simplex. Half Duplex ... Simplex Transmission. Data: one way only. One-Way Street. Data. Link ...

Creating the illusion of a reliable link. 5. Modes of Operation. Simplex. Half Duplex ... Simplex Transmission. Data: one way only. One-Way Street. Data. Link ...

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More on the link layer Logical Link Control (LLC) Medium Access Control (MAC) PowerPoint PPT Presentation

More on the link layer Logical Link Control (LLC) Medium Access Control (MAC) - binary countdown protocol (log2n bits); dash indicates silence. (AND ... random backoff (countdown proceeds while channel is idle) 802.11 distribution services ...

binary countdown protocol (log2n bits); dash indicates silence. (AND ... random backoff (countdown proceeds while channel is idle) 802.11 distribution services ...

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Chapter 5: The Data Link Layer - travel agent = routing algorithm. 5: DataLink Layer. 5-4. Link ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ' ...

travel agent = routing algorithm. 5: DataLink Layer. 5-4. Link ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ' ...

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Chapter 5: The Data Link Layer - instantiation and implementation of various link layer ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ' ...

instantiation and implementation of various link layer ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ' ...

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Concurrent Server Using Selective Repeat Data Link Layer - CS4514 HELP Session 3 Concurrent Server Using Selective Repeat Data Link Layer Mingzhe Li lmz@cs.wpi.edu 12/05/2005 Description Objective: To implement a simple ...

CS4514 HELP Session 3 Concurrent Server Using Selective Repeat Data Link Layer Mingzhe Li lmz@cs.wpi.edu 12/05/2005 Description Objective: To implement a simple ...

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Chapter 5: The Data Link Layer - reliable data transfer, flow control: done! ... limo: Princeton to JFK. plane: JFK to Geneva. train: Geneva to Lausanne. tourist = datagram ...

reliable data transfer, flow control: done! ... limo: Princeton to JFK. plane: JFK to Geneva. train: Geneva to Lausanne. tourist = datagram ...

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Chapter 5: The Data Link Layer - wireless links: high error rates. Q: why both link-level and end-end reliability? ... no collision, node can send new frame in next slot ...

wireless links: high error rates. Q: why both link-level and end-end reliability? ... no collision, node can send new frame in next slot ...

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Chapter 5: The Data Link Layer - wireless links: high error rates. Q: why both link-level and end-end reliability? ... node with new arriving pkt: transmit at beginning of next slot ...

wireless links: high error rates. Q: why both link-level and end-end reliability? ... node with new arriving pkt: transmit at beginning of next slot ...

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Chapter 5: The Data Link Layer last revised 241103 PowerPoint PPT Presentation

Chapter 5: The Data Link Layer last revised 241103 - reliable data transfer, flow control: done! ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ...

reliable data transfer, flow control: done! ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ...

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Chapter 5: The Data Link Layer last updated 260404 PowerPoint PPT Presentation

Chapter 5: The Data Link Layer last updated 260404 - travel agent = routing algorithm. 5: DataLink Layer. 7. Comp 361, ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ...

travel agent = routing algorithm. 5: DataLink Layer. 7. Comp 361, ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ...

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Link Layer Discovery Protocol Emergency Services Workshop, NY Oct 5-6, 2006 Manfred Arndt (manfred.r.arndt@hp.com) PowerPoint PPT Presentation

Link Layer Discovery Protocol Emergency Services Workshop, NY Oct 5-6, 2006 Manfred Arndt (manfred.r.arndt@hp.com) - Link Layer Discovery Protocol Emergency Services Workshop, NY Oct 5-6, 2006 Manfred Arndt (manfred.r.arndt@hp.com) Scope IEEE 802.1AB Link Layer Discovery ...

Link Layer Discovery Protocol Emergency Services Workshop, NY Oct 5-6, 2006 Manfred Arndt (manfred.r.arndt@hp.com) Scope IEEE 802.1AB Link Layer Discovery ...

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Link Layer - Link Layer 5.1 Introduction and services 5.2 Error detection and correction 5.3Multiple access protocols 5.4 Link-layer Addressing 5.5 Ethernet 5.6 Link-layer switches

Link Layer 5.1 Introduction and services 5.2 Error detection and correction 5.3Multiple access protocols 5.4 Link-layer Addressing 5.5 Ethernet 5.6 Link-layer switches

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Layered Protocol PowerPoint PPT Presentation

Layered Protocol - Layered Protocol. Simple idea. Agreements. 0-bit/1-bit volts. Last bit of the message ... To reduce complexity and ease to modify ...

Layered Protocol. Simple idea. Agreements. 0-bit/1-bit volts. Last bit of the message ... To reduce complexity and ease to modify ...

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Protocols and Protocol Suit Review PowerPoint PPT Presentation

Protocols and Protocol Suit Review - Protocols and Protocol Suit Review Lecture 14 IP, TCP and UDP Error Checksum Q:- IP, TCP, and UDP all discard a packet that arrives with a checksum error and do not ...

Protocols and Protocol Suit Review Lecture 14 IP, TCP and UDP Error Checksum Q:- IP, TCP, and UDP all discard a packet that arrives with a checksum error and do not ...

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Link Layer - travel agent = routing algorithm. 5: DataLink Layer. 5-4. Link ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ' ...

travel agent = routing algorithm. 5: DataLink Layer. 5-4. Link ... encapsulate datagram into frame, adding header, trailer. channel access if shared medium ' ...

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Chapter 7 Data Link Control PowerPoint PPT Presentation

Chapter 7 Data Link Control - ... Needed when many nodes share transmission link Flow ... Control rate of transmission to prevent overflow of receiver's buffers ... assuming optical fiber, ...

... Needed when many nodes share transmission link Flow ... Control rate of transmission to prevent overflow of receiver's buffers ... assuming optical fiber, ...

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