IEEE P802.1Qau/D2.5, Dec 2009 PDF | Request Standard
Historical

IEEE P802.1Qau/D2.5, Dec 2009

Virtual Bridged Local Area Networks Amendment: Congestion Notification

Standard by IEEE, 2009

Available Formats:

  • Availability: Immediate Download
  • Language: English
  • License Type: Single User
  • Updates: Not Included
  • Availability: Request Quote
  • Language: English
  • License Type: Enterprise / Multi User
  • Updates: Included

About This Item

Legal Notices*

P802.1Qau/D2.5, Dec 2009 is a draft standard for Virtual Bridged Local Area Networks Amendment: Congestion Notification, focused on improving traffic handling in bridged Ethernet environments. It addresses how congestion information may be communicated within virtual bridged LANs so networks can respond more predictably under load. For communication, networking, and broadcast technologies, this technical document is relevant because it supports more controlled network behavior and helps reduce performance issues in busy switched networks.

Overview of P802.1Qau/D2.5, Dec 2009

This specification is part of the IEEE 802.1 family and sits in the context of virtual bridged local area networking. P802.1Qau/D2.5, Dec 2009 defines draft-level requirements for congestion notification, giving designers and implementers a technical basis for handling overload conditions in bridged networks. In practical terms, it is concerned with how congestion feedback can be conveyed and acted on within Layer 2 networking systems, supporting more consistent behavior across interconnected switches and endpoints.

Typical use cases

P802.1Qau/D2.5, Dec 2009 is typically relevant in Ethernet switching environments where congestion control matters, such as enterprise backbones, data center fabrics, and managed network segments carrying mixed traffic. It may be used when designing or evaluating bridged LAN equipment that needs congestion notification behavior for better traffic coordination. The document is also useful for engineering teams working on interoperability, switch configuration, and testing of network devices operating in virtual bridged local area networks.

Why it matters

For procurement, design review, and compliance work, P802.1Qau/D2.5, Dec 2009 helps define a shared technical target for congestion notification behavior. That reduces ambiguity when comparing networking products or validating implementation details against a common draft specification. In practice, clearer congestion handling can improve performance consistency and reduce the risk of unexpected packet loss or overload effects in bridged LAN deployments. It is especially useful where predictable operation across multiple vendors or device types is important.

  • Virtual bridged LAN congestion notification
  • Draft amendment for Layer 2 Ethernet networks
  • Relevant to switch and bridge implementations
  • Useful for interoperability and testing checks
SKU: e282ed44ce4d

  • Publication Date: 2009

  • Standard Status: Inactive

  • Publisher: IEEE

  • Subject: Communication, Networking and Broadcast Technologies

  • Official IEEE: Doi link
  • New Version Available: P802.1 (2025)
  • Previous Version: P802.1 (2025)
  • Previous Version: P802.1 (2025)
  • Previous Version: P802.1 (2025)
  • Previous Version: P802.1 (2025)
  • Previous Version: P802.1 (2025)
  • Previous Version: P802.1 (2025)
  • Previous Version: P802.1 (2025)
  • Previous Version: P802.1 (2025)
  • Previous Version: P802.1 (2025)
  • Previous Version: P802.1 (2025)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2024)
  • Previous Version: P802.1 (2023)
  • Previous Version: P802.1 (2023)
  • Previous Version: P802.1 (2023)
  • Previous Version: P802.1 (2023)
  • Previous Version: P802.1 (2023)
  • Previous Version: P802.1 (2023)
  • Previous Version: P802.1 (2023)
  • Previous Version: P802.1 (2023)
  • Previous Version: P802.1 (2023)
  • Previous Version: P802.1 (2023)
  • Previous Version: P802.1 (2022)
  • Previous Version: P802.1 (2022)
  • Previous Version: P802.1 (2022)
  • Previous Version: P802.1 (2022)
  • Previous Version: P802.1 (2022)
  • Previous Version: P802.1 (2022)
  • Previous Version: P802.1 (2022)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2021)
  • Previous Version: P802.1 (2020)
  • Previous Version: P802.1 (2020)
  • Previous Version: P802.1 (2020)
  • Previous Version: P802.1 (2020)
  • Previous Version: P802.1 (2020)
  • Previous Version: P802.1 (2020)
  • Previous Version: P802.1 (2020)
  • Previous Version: P802.1 (2019)
  • Previous Version: P802.1 (2019)
  • Previous Version: P802.1 (2019)
  • Previous Version: P802.1 (2019)
  • Previous Version: P802.1 (2019)
  • Previous Version: P802.1 (2019)
  • Previous Version: P802.1 (2019)
  • Previous Version: P802.1 (2019)
  • Previous Version: P802.1 (2019)
  • Previous Version: P802.1 (2019)
  • Previous Version: P802.1 (2019)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2018)
  • Previous Version: P802.1 (2017)
  • Previous Version: P802.1 (2017)
  • Previous Version: P802.1 (2017)
  • Previous Version: P802.1 (2017)
  • Previous Version: P802.1 (2017)
  • Previous Version: P802.1 (2017)
  • Previous Version: P802.1 (2017)
  • Previous Version: P802.1 (2017)
  • Previous Version: P802.1 (2016)
  • Previous Version: P802.1 (2016)
  • Previous Version: P802.1 (2016)
  • Previous Version: P802.1 (2016)
  • Previous Version: P802.1 (2016)
  • Previous Version: P802.1 (2016)
  • Previous Version: P802.1 (2016)
  • Previous Version: P802.1 (2016)
  • Previous Version: P802.1 (2016)
  • Previous Version: P802.1 (2016)
  • Previous Version: P802.1 (2016)
  • Previous Version: P802.1 (2016)
  • Previous Version: P802.1 (2016)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2015)
  • Previous Version: P802.1 (2014)
  • Previous Version: P802.1 (2014)
  • Previous Version: P802.1 (2014)
  • Previous Version: P802.1 (2014)
  • Previous Version: P802.1 (2014)
  • Previous Version: P802.1 (2014)
  • Previous Version: P802.1 (2014)
  • Previous Version: P802.1 (2014)
  • Previous Version: P802.1 (2014)
  • Previous Version: P802.1 (2014)
  • Previous Version: P802.1 (2014)
  • Previous Version: P802.1 (2014)
  • Previous Version: P802.1 (2014)
  • Previous Version: P802.1 (2013)
  • Previous Version: P802.1 (2013)
  • Previous Version: P802.1 (2013)
  • Previous Version: P802.1 (2013)
  • Previous Version: P802.1 (2012)
  • Previous Version: P802.1 (2012)
  • Previous Version: P802.1 (2012)
  • Previous Version: P802.1 (2012)
  • Previous Version: P802.1 (2012)
  • Previous Version: P802.1 (2012)
  • Previous Version: P802.1 (2012)
  • Previous Version: P802.1 (2012)
  • Previous Version: P802.1 (2012)
  • Previous Version: P802.1 (2012)
  • Previous Version: P802.1 (2012)
  • Previous Version: P802.1 (2012)
  • Previous Version: P802.1 (2012)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2011)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2010)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • This Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2009)
  • Previous Version: P802.1 (2008)
  • Previous Version: P802.1 (2008)
  • Previous Version: P802.1 (2008)
  • Previous Version: P802.1 (2008)
  • Previous Version: P802.1 (2008)
  • Previous Version: P802.1 (2008)
  • Previous Version: P802.1 (2008)
  • Previous Version: P802.1 (2008)
  • Previous Version: P802.1 (2008)
  • Previous Version: P802.1 (2007)
  • Previous Version: P802.1 (2007)
  • Previous Version: P802.1 (2007)
  • Previous Version: P802.1 (2007)
  • Previous Version: P802.1 (2007)
  • Previous Version: P802.1 (2007)
  • Previous Version: P802.1 (2007)
  • Previous Version: P802.1 (2007)
  • Previous Version: P802.1 (2007)
  • Previous Version: P802.1 (2007)
  • Previous Version: P802.1 (2007)
  • Previous Version: P802.1 (2007)
  • Previous Version: P802.1 (2006)
  • Previous Version: P802.1 (2006)
  • Previous Version: P802.1 (2006)
  • Previous Version: P802.1 (2005)
  • Previous Version: P802.1 (2005)
  • Previous Version: P802.1 (2005)
  • Previous Version: P802.1 (2005)
  • Previous Version: P802.1 (2005)
  • Previous Version: P802.1 (2004)
  • Previous Version: P802.1 (2004)
  • Previous Version: P802.1 (2003)
  • Previous Version: P802.1 (2002)
  • Previous Version: P802.1 (2001)
  • Previous Version: P802.1 (2001)
  • Previous Version: P802.1 (2001)
  • Previous Version: P802.1 (2001)
  • Previous Version: P802.1 (2000)
  • Previous Version: P802.1 (2000)
  • Previous Version: P802.1 (2000)

Please request information about the document. Contact Page

Online Standart App

Standart Chek

Track and verify updates for your standards in real time with a centralized dashboard.

FlexiBalance

Add Credit, Manage your FlexiBalance and Billing history with Online Standart

Standart Library

Access and explore relevant industry-specific standards quickly and easily online.

Norma AI

Ask questions in plain language and instantly get accurate, up-to-date standards for your industry.

Need This Standard?

Request a personalized quote today to receive the latest edition in PDF or other available formats.

Need This Standard?

Request a personalized quote today to receive the latest edition in PDF or other available formats.

Summarize with AI

Get quick summaries using your favorite AI engine.

ChatGPT Perplexity Google AI Claude Grok

Online Standart Disclaimer

OnlineStandart.com is an authorized reseller of international standards, operating through partnerships with authorized distributors. We do not own the copyrights or trademarks of the standards we sell, including but not limited to those of API, ASHRAE, BSI, SAE, ASTM, IEEE, IEC, ASME, ISO, and others.

All product names, logos, and brands are the property of their respective owners and are used for identification purposes only; their use does not imply endorsement. OnlineStandart.com is not affiliated with or endorsed by any standards development organization unless explicitly stated. The content of this document is for informational purposes only and is intended to promote our licensed reselling services.

Online Standart does not host, distribute, or link to free, unlicensed, or uncertified copies of copyrighted standards. Every document we deliver is a licensed copy obtained through authorized channels and supplied with full licensing documentation. The “Free PDF Download” option on our product pages refers to this free informational document — never to a free copy of any standard.

►
Necessary cookies enable essential site features like secure log-ins and consent preference adjustments. They do not store personal data.
None
►
Functional cookies support features like content sharing on social media, collecting feedback, and enabling third-party tools.
None
►
Analytical cookies track visitor interactions, providing insights on metrics like visitor count, bounce rate, and traffic sources.
None
►
Advertisement cookies deliver personalized ads based on your previous visits and analyze the effectiveness of ad campaigns.
None
Privacy PolicyCookie Policy