The Key Players Defining Open Standards and Protocols for the Data Link Layer in Computer Networking

Which two engineering organizations define open standards and protocols that apply to the data link layer?

The two engineering organizations that define open standards and protocols for the data link layer are:

1. Institute of Electrical and Electronics Engineers (IEEE): IEEE is responsible for developing and publishing various standards related to data link layer protocols. The most well-known standard developed by IEEE for the data link layer is Ethernet (IEEE 802.3). Ethernet is widely used for local area networks (LANs) and defines the framing, addressing, and media access control (MAC) protocols for communication between devices.

2. International Organization for Standardization (ISO): ISO is an international organization that develops and publishes standards for various industries, including computer networking. ISO has defined the data link layer standard known as High-Level Data Link Control (HDLC) protocol. HDLC is a bit-oriented synchronous data link layer protocol that provides reliable and efficient communication between devices in point-to-point and multi-point environments.

Both IEEE and ISO play crucial roles in establishing and maintaining open standards and protocols for the data link layer, enabling interoperability and compatibility between different networking devices and technologies.

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