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IEEE Std 802.1Qbu-2016
IEEE Standard for Local and Metropolitan Area Networks—Bridges and Bridged Networks—
Amendment 26: Frame Preemption
9
Copyright © 2016 IEEE. All rights reserved.
Contents
2. Normative references............................................................................................................................... 13
3. Definitions ............................................................................................................................................... 14
4. Abbreviations........................................................................................................................................... 15
5. Conformance............................................................................................................................................ 16
5.4 VLAN Bridge component requirements................................................................................ 16
5.13 MAC Bridge component requirements.................................................................................. 16
5.26 End station requirements—enhancements for frame preemption.......................................... 16
6. Support of the MAC Service ................................................................................................................... 17
6.7 Support of the Internal Sublayer Service by specific MAC procedures................................ 17
8. Principles of bridge operation.................................................................................................................. 18
8.6 The Forwarding Process ........................................................................................................ 18
12. Bridge management ................................................................................................................................. 20
12.30 Managed objects for frame preemption ................................................................................. 20
17. Management Information Base (MIB) .................................................................................................... 22
17.2 Structure of the MIB .............................................................................................................. 22
17.3 Relationship to other MIBs.................................................................................................... 22
17.4 Security considerations .......................................................................................................... 23
17.7 MIB modules ......................................................................................................................... 23
Annex A (normative) PICS proforma—Bridge implementations ................................................................. 43
A.5 Major capabilities .................................................................................................................. 43
A.14 Bridge management ............................................................................................................... 43
A.24 Management Information Base (MIB) .................................................................................. 43
A.44 Frame preemption .................................................................................................................. 44
Annex B (normative) PICS proforma—End station implementations .......................................................... 45
B.5 Major capabilities .................................................................................................................. 45
B.15 Scheduled traffic .................................................................................................................... 45
Annex Q (informative) Preemption and IEEE Std 802.1AE MAC Security................................................. 46
Annex R (informative) Preemption and scheduled traffic............................................................................. 48
R.1 Scheduling used in isolation .................................................................................................. 48
R.2 Preemption used in isolation.................................................................................................. 48
R.3 Scheduling and preemption used in combination, no HOLD/RELEASE ............................. 49
R.4 Scheduling and preemption used in combination, with HOLD/RELEASE .......................... 49
R.5 Bandwidth allocation and express traffic............................................................................... 50
Annex S (informative) Bibliography ............................................................................................................. 51
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