IEEE 802.1 Working Group


The IEEE 802.1 Working Group is a subgroup within the Institute of Electrical and Electronics Engineers (IEEE) 802 standards committee, which focuses on developing standards and protocols for data communication, specifically for local area networks (LANs) and metropolitan area networks (MANs). The group primarily deals with network architecture, internetworking, management, and security. Its most notable contributions include the development of standards for VLANs, priority tagging, and traffic engineering.


The phonetics of the keyword “IEEE 802.1 Working Group” are:/ˈaɪ.ˈtrɪpl.ˈi/ /ˌeɪt.oʊ.ˈtuː/.ˈwʌn/ /ˈwɜrk.ɪŋ/ /ˈɡruːp/.I – triple – E eight-oh-two dot one working group

Key Takeaways

  1. The IEEE 802.1 Working Group is responsible for designing and maintaining standards for networking technologies, with a focus on bridging and internetworking between various wired and wireless network protocols.
  2. This working group has developed key networking technologies, such as Spanning Tree Protocol (STP), Virtual Local Area Network (VLAN), and Audio/Video Bridging (AVB), which enable effective communication and data transfer across different types of networks.
  3. IEEE 802.1 constantly continues to enhance and evolve its standards, ensuring the interoperability, security, and scalability of Ethernet networks and related applications, which impact a wide range of industries including the Internet, telecommunications, and industrial automation.


The IEEE 802.1 Working Group is important because it plays a crucial role in developing and maintaining standards and protocols that enable seamless internetworking among devices, systems, and networks in the ever-evolving landscape of wired and wireless communications technology.

This group, a part of the larger Institute of Electrical and Electronics Engineers (IEEE) 802 project, focuses on communication between different networks, creating network architecture and bridging processes, traffic management, data link layer security, and network management.

By ensuring that these standards are reliable, secure, and compatible, the IEEE 802.1 Working Group significantly contributes to the global interoperability of communication systems and facilitates the widespread adoption of cutting-edge technological advancements.


The IEEE 802.1 Working Group plays a vital role in addressing and developing standards for various aspects of networking technologies for both wired and wireless communication systems. The primary purpose of this working group is to create a framework and methodology for seamless interoperability between diverse network implementations.

This allows different networking devices and systems to work together efficiently, making it easier for businesses, organizations, and individuals to communicate and share information over the same network infrastructure. In order to achieve this interoperability, the working group focuses on several key areas, such as network architecture, management, and security.

Among its accomplishments are the creation of standards for VLAN (Virtual Local Area Networks), which enables logical network segmentation for improved performance and security; bridging protocols, which facilitate communication between different network types; and network management tools that simplify the configuration and monitoring of devices within a network. The IEEE 802.1 Working Group continually evolves its standards to accommodate new technologies, ensuring that network communication remains efficient and secure for users around the world.

Examples of IEEE 802.1 Working Group

The IEEE1 Working Group focuses on developing standards for higher layer LAN and MAN protocols. It has several real-world applications, which can be found in various industries and technologies. Here are three examples of its implementations:

Data Center Bridging (DCB): In modern data centers, there is an ever-increasing demand for large-scale communication with minimal latency. The IEEE1 Working Group’s DCB extension provides a unified, lossless Ethernet fabric, enabling the convergence of storage, networking, and server traffic over a single, high-speed environment. This allows for better traffic management, improved quality of service, and reduced infrastructure complexity, resulting in enhanced performance and cost-efficiency for data centers.

Audio Video Bridging (AVB): The IEEE1 Working Group also developed the AVB standards, which are essential for providing low-latency, synchronized, streaming services in professional audio/video applications. AVB allows for precise timing and synchronization of multiple audio and video streams across Ethernet networks. Examples include stage and studio production environments, broadcasting systems, and venues hosting large-scale audio/video events, such as concerts or theaters. AVB ensures a high-quality, consistent audio and video experience for all users.

Time-Sensitive Networking (TSN): Increasingly, industries like automotive, industrial automation, and transportation require deterministic, real-time communication between devices. The IEEE1 Working Group’s TSN standards deliver predictable, high-performance communication within these critical applications. For example, TSN has been applied to the next generation of in-vehicle communication systems for advanced driver assistance and autonomous driving, helping networked sensors, actuators, cameras, and control units perform their tasks promptly and efficiently.

IEEE 802.1 Working Group FAQs

What is the IEEE 802.1 Working Group?

The IEEE 802.1 Working Group is a committee responsible for creating and maintaining networking standards related to bridging, shortcuts and other devices that enable the transport of information between different Local Area Networking (LAN) and Metropolitan Area Networking (MAN) technologies.

What are some of the responsibilities of the IEEE 802.1 Working Group?

The IEEE 802.1 Working Group focuses on the following areas: developing standards and specifications for bridging and related devices, working with other standards organizations, providing necessary support to other IEEE 802 working groups, and addressing current and emerging issues in this field.

What are some of the key projects and standards developed by the IEEE 802.1 Working Group?

Some key projects and standards developed by the IEEE 802.1 Working Group include 802.1D for MAC Bridging, 802.1Q for VLAN Bridging, 802.1X for Port-based Network Access Control, 802.1ag for Connectivity Fault Management, and 802.1ay for Ethernet in the First Mile.

Who can participate in the IEEE 802.1 Working Group?

Individuals with technical expertise, experience, and interest in bridging and related device standards can participate in the IEEE 802.1 Working Group. The group holds regular meetings, both in person and online, where members can discuss and contribute to the development of new standards, revisions, and amendments.

How does the IEEE 802.1 Working Group interact with other standard developing organizations and IEEE working groups?

The IEEE 802.1 Working Group collaborates with other IEEE working groups and industry standards organizations to ensure that their standards are compatible and interoperable. This includes joint projects, technical reviews, and sharing of information to ensure the development of global networking standards that work seamlessly together.

Related Technology Terms

  • IEEE 802.1Q: VLAN Tagging
  • IEEE 802.1X: Port-based Network Access Control
  • IEEE 802.1D: Spanning Tree Protocol
  • IEEE 802.1p: Traffic Class Expediting and Dynamic Multicast Filtering
  • IEEE 802.1s: Multiple Spanning Trees Protocol

Sources for More Information


About The Authors

The DevX Technology Glossary is reviewed by technology experts and writers from our community. Terms and definitions continue to go under updates to stay relevant and up-to-date. These experts help us maintain the almost 10,000+ technology terms on DevX. Our reviewers have a strong technical background in software development, engineering, and startup businesses. They are experts with real-world experience working in the tech industry and academia.

See our full expert review panel.

These experts include:


About Our Editorial Process

At DevX, we’re dedicated to tech entrepreneurship. Our team closely follows industry shifts, new products, AI breakthroughs, technology trends, and funding announcements. Articles undergo thorough editing to ensure accuracy and clarity, reflecting DevX’s style and supporting entrepreneurs in the tech sphere.

See our full editorial policy.

More Technology Terms

Technology Glossary

Table of Contents