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Internet Architecture Board: What It Does and How It Differs From the IESG

The Internet Architecture Board provides long-term architectural and standards-process oversight for the IETF, while the IESG is responsible for the standards process itself.
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The Internet Architecture Board (IAB) is an Internet governance and oversight body. It helps guide long-term architectural work, oversees the IETF standards process, and hears appeals about whether that process was followed properly. It does not develop and approve standards day to day; that responsibility belongs to the Internet Engineering Steering Group (IESG), working with IETF working groups.

What is the Internet Architecture Board?

The IAB is chartered as a committee of the Internet Engineering Task Force (IETF) and serves as an advisory body to the Internet Society (ISOC). Its role combines long-range architectural oversight with governance of the standards process. The IAB charter states that it “provides oversight of the architecture for the protocols and procedures used by the Internet.” (RFC 2850)

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In practical terms, the board watches for significant, long-term Internet issues that cut across technical work and helps direct them to the groups best placed to address them. It also advises on technical, architectural, procedural, and policy matters, and can provide technical liaison with organizations outside the IETF.

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What does the IAB do?

  • Oversees Internet architecture: It considers the architecture of Internet protocols and procedures, including issues that span multiple areas of IETF activity.
  • Oversees the standards process: It provides oversight of how Internet standards are developed and approved.
  • Hears process appeals: It serves as an appeal board for complaints alleging improper execution of the standards process.
  • Reviews proposed working-group charters: It reviews proposed IETF working-group charters.
  • Approves IESG candidates: It approves candidates for the IESG who have been nominated by the IETF nominating committee (NomCom).
  • Provides advice and liaison: It offers technical and architectural advice and can coordinate technical liaison with external organizations.

These responsibilities are described in the IAB charter and in the IETF’s later account of the standards-process bodies in RFC 9281, published in July 2022.

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How is the IAB different from the IESG and IETF working groups?

These groups are connected, but they are not interchangeable. The IESG is responsible for developing, reviewing, and approving Internet Standards through the standards process. IETF working groups carry out much of the technical standards-development work. The IAB provides architectural and process oversight, along with advice and a route for procedural appeals.

Body Main role Relationship to standards
IETF working groups Develop technical work in their areas. Carry out much of the standards-development work.
IESG Develops, reviews, and approves Internet Standards through the process. Responsible for the standards process itself.
IAB Provides architectural and process oversight, advice, and appeals. Oversees the process; it is not the day-to-day standards approval body.

RFC 9281 describes the IAB as providing oversight of the architecture of the Internet and its protocols. Its oversight role should not be confused with the IESG’s responsibility for the standards process.

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Which documents define the IAB’s role?

The IAB’s charter has changed over time, so older descriptions should be read in their historical context. RFC 1358, published in August 1992, described the IAB as a technical advisory group of the Internet Society. RFC 1601, published in March 1994, documented its composition and responsibilities. The later charter, RFC 2850, published in May 2000, replaced RFC 1601. For a more recent explanation of how the IAB fits into the standards process, consult RFC 9281, published in July 2022.

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