RFC 7705 · PROPOSED STANDARD · 2015

Autonomous System Migration Mechanisms and Their Effects on the BGP AS_PATH Attribute

Overview

RFC 7705, “Autonomous System Migration Mechanisms and Their Effects on the BGP AS_PATH Attribute”, is a Proposed Standard document published in November 2015 by W. George, S. Amante. It updates RFC 4271. The canonical text is published by the RFC Editor.

Abstract

This document discusses some existing commonly used BGP mechanisms for Autonomous System Number (ASN) migration that are not formally part of the BGP4 protocol specification. It is necessary to document these de facto standards to ensure that they are properly supported in future BGP protocol work.

Abstract as published in the RFC, via rfc-editor.org.

What “Proposed Standard” means

An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.

Read this RFC

The canonical text of RFC 7705 is hosted at rfc-editor.org. Available in TXT,HTML.

Relationships to other RFCs
This RFC updates
RFC 4271
Other RFCs from 2015

Who Is Online

In total there are 24 users online: 0 registered, 17 guests and 7 bots.

Most users ever online was 1,226 on 13 Jun 2026, 3:56 am.

Bots: AhrefsBot Applebot Bingbot Googlebot Other Bot SemrushBot Sogou

Users active in the past 15 minutes. Total registered members: 354