IEEE Std 802.1DP-2025 局域网和城域网——面向航空航天机载以太网通信的时敏网络技术

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STANDARDS

IEEE/SAEStandardfor

LocalandMetropolitanAreaNetworks—

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Time‐SensitiveNetworkingforAerospace

OnboardEthernetCommunications

IEEEComputerSociety

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Developedbythe

LAN/MANStandardsCommittee

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IEEEStd802.1DP™‐2025

SAEAS6675‐2025

Title page

IEEE Std 802.1DP™-2025

SAE AS6675-2025

IEEE/SAE Standard for

Local and Metropolitan Area Networks—

Time-Sensitive Networking for Aerospace

Onboard Ethernet Communications

Developed by the

LAN/MAN Standards Committee

of the

IEEE Computer Society

Approved 10 September 2025

IEEE SA Standards Board

The Institute of Electrical and Electronics Engineers, Inc.

3 Park Avenue, New York, NY 10016-5997, USA

SAE International

400 Commonwealth Drive, Warrendale, PA 15096

IEEE and 802 are registered trademarks in the U.S. Patent & Trademark Office, owned by the Institute of Electrical and

Electronics Engineers, Incorporated.

PDF ISBN 979-8-8557-2714-2 STD28337

Print: ISBN 979-8-8557-2715-9 STDPD28337

IEEE prohibits discrimination, harassment, and bullying.

For more information, visit http://www.ieee.org/web/aboutus/whatis/policies/p9-26.html.

No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior

written permission of the publisher.

Abstract: Profiles of IEEE 802.1 Time-Sensitive Networking (TSN) for aerospace onboard bridged

IEEE 802.3 Ethernet networks are specified in this standard. The profiles select features, options,

configurations, defaults, protocols, and procedures of bridges, end stations, and Local Area

Networks to build deterministic networks for aerospace onboard communications.

Keywords: Bridged Network, IEEE 802.1DP, IEEE 802.1Q™, LAN, local area network, MAC

security, MACsec, privacy, SAE AS6675, Virtual Bridged Network, virtual LAN, VLAN Bridge

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标签： #航空航天

摘要：

IEEE Std 802.1DP-2025是一项面向航空航天机载以太网通信的时敏网络技术标准，专门针对局域网和城域网环境下的实时性、确定性与可靠性需求制定。该标准在IEEE 802.1时敏网络（TSN）系列标准的基础上，针对航空航天应用场景（如飞行控制、航电系统互联、机载数据总线等）进行了专门优化，通过精确的时间同步、流量调度与资源预留机制，确保关键任务数据在复杂电磁与振动环境下仍能实现微秒级延迟与零丢包。IEEE 802.1DP-2025填补了当前航空电子系统在标准化时间敏感通信协议方面的空白

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IEEE Std 802.1DP-2025 局域网和城域网——面向航空航天机载以太网通信的时敏网络技术

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