In networking and communications, the formats, codes and procedures for transmitting a unit of data (frame, packet) from one node to another. Known as a "layer 2 protocol," the data link protocol ...

Many popular point-to-point data link protocols use the high-level data link control (HDLC) framing mechanism, which delineates protocol data units (PDUs) by means of a special bit pattern or flag.

Total Length field (16 bits) specifies the length of the entire IP packet, including data and header, in bytes. Identification field (16 bits) contains an integer that identifies the current datagram.

The Internet uses a packet-switched architecture, in which data are broken up into smaller "packets," with each packet ... Within the public Internet, the data link protocols are SONET, ATM, frame ...

Acoustic modems typically operate in half-duplex, which limits the choice of a data link control protocol to the Stop and Wait (S&W) type. Unfortunately, on channels with poor quality and long ...

This article aims to provide an understanding of Linux network protocols and packet processing, offering insights that are crucial for both novice and seasoned network administrators. ... Physical and ...

Deep packet inspection (DPI) is often discussed alongside VPNs – but what is it and how does it work? Here's everything you need to know.