Data Link

Framing, link control, discovery, and reliability mechanisms between directly connected nodes.

Articles: 12

Articles in this category

Data Link Layer Basics | Teleinf Edu

Error detection, flow control, and medium access control at Layer 2.

2 min

Open article

HDLC Protocol | Teleinf Edu

High-Level Data Link Control frame structure, commands, and operation modes.

2 min

Open article

Point-to-Point Protocol (PPP) | Teleinf Edu

PPP frame format, authentication methods, and network control protocols.

2 min

Open article

Frame Relay | Teleinf Edu

Packet-switched WAN technology with virtual circuits and congestion control.

2 min

Open article

Link Control Protocols | Teleinf Edu

LLC, LAPB, LAPD and other data link control mechanisms.

2 min

Open article

Logical Link Control (LLC) | Teleinf Edu

IEEE 802.2 standard providing interface between MAC layer and network protocols.

2 min

Open article

Bridge Protocols and BPDUs | Teleinf Edu

Spanning Tree Protocol messages and bridge communication mechanisms.

2 min

Open article

Link Layer Discovery Protocol (LLDP) | Teleinf Edu

IEEE 802.1AB protocol for network topology discovery and device information exchange.

2 min

Open article

Data Link Security | Teleinf Edu

802.1X authentication, MAC address security, and Layer 2 protection mechanisms.

2 min

Open article

Flow Control Mechanisms | Teleinf Edu

Managing data transmission rate between sender and receiver at Layer 2.

2 min

Open article

Sliding Window Protocols | Teleinf Edu

Go-Back-N and Selective Repeat protocols for reliable data transmission.

2 min

Open article

Stop-and-Wait Protocol | Teleinf Edu

Simple acknowledgment-based flow control mechanism with timeout and retransmission.

2 min

Open article