{"id":465426,"date":"2024-10-20T10:40:30","date_gmt":"2024-10-20T10:40:30","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-802-1asdr-2024-4\/"},"modified":"2024-10-26T19:41:45","modified_gmt":"2024-10-26T19:41:45","slug":"ieee-802-1asdr-2024-4","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-802-1asdr-2024-4\/","title":{"rendered":"IEEE 802.1ASdr-2024"},"content":{"rendered":"

Amendment Standard – Active. This amendment to IEEE Std 802.1AS\u2122-2020 replaces terminology with alternative terminology identified by IEEE Std 1588g\u2122-2022. All changes made in figures are only to replace terminology.<\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nIEEE Std 802.1ASdr-2024 Front Cover <\/td>\n<\/tr>\n
2<\/td>\nTitle page <\/td>\n<\/tr>\n
4<\/td>\nImportant Notices and Disclaimers Concerning IEEE Standards Documents <\/td>\n<\/tr>\n
8<\/td>\nParticipants <\/td>\n<\/tr>\n
10<\/td>\nIntroduction <\/td>\n<\/tr>\n
11<\/td>\nContents <\/td>\n<\/tr>\n
14<\/td>\nList of figures <\/td>\n<\/tr>\n
15<\/td>\nList of tables <\/td>\n<\/tr>\n
17<\/td>\n4. Acronyms and abbreviations <\/td>\n<\/tr>\n
18<\/td>\n5. Conformance
5.4 PTP Instance requirements and options
5.4.1 Summary of requirements
5.4.2 PTP Instance options <\/td>\n<\/tr>\n
19<\/td>\n5.4.3 PTP Relay Instance requirements
5.6 MAC-specific timing and synchronization methods for IEEE Std 802.11-2016 <\/td>\n<\/tr>\n
20<\/td>\n7. Time-synchronization model for a packet network
7.2 Architecture of a time-aware network
7.2.2 Time-aware network consisting of a single gPTP domain
7.2.3 Time-aware network consisting of multiple gPTP domains
7.2.4 Time-aware networks with redundant Grandmaster PTP Instances and\/or redundant paths <\/td>\n<\/tr>\n
21<\/td>\n7.3 Time synchronization
7.3.4 Grandmaster PTP Instance (best mastertimeTransmitter) selection and network establishment <\/td>\n<\/tr>\n
22<\/td>\n7.4 PTP Instance architecture <\/td>\n<\/tr>\n
23<\/td>\n7.5 Differences between gPTP (IEEE Std 802.1AS) and PTP (IEEE Std 1588-2019) <\/td>\n<\/tr>\n
24<\/td>\n8. IEEE 802.1AS concepts and terminology
8.4 Messages
8.4.3 Generation of event message timestamps
8.5 Ports
8.5.2 Port identity
8.6 PTP Instance characterization
8.6.1 PTP Instance type
8.6.2 PTP Instance attributes <\/td>\n<\/tr>\n
27<\/td>\n9. Application interfaces
9.1 Overview of the interfaces
9.2 ClockSourceTime interface
9.2.1 General
9.3 ClockTargetEventCapture interface
9.3.1 General <\/td>\n<\/tr>\n
28<\/td>\n9.3.2 ClockTargetEventCapture.invoke parameters
9.3.3 ClockTargetEventCapture.result parameters
9.4 ClockTargetTriggerGenerate interface
9.4.1 General <\/td>\n<\/tr>\n
29<\/td>\n9.4.2 ClockTargetTriggerGenerate.invoke parameters
9.4.3 ClockTargetTriggerGenerate.result parameters
9.4.4 ClockTargetTriggerGenerate interface definition <\/td>\n<\/tr>\n
30<\/td>\n9.5 ClockTargetClockGenerator interface
9.5.1 General
9.5.2 ClockTargetClockGenerator.invoke parameters
9.5.3 ClockTargetClockGenerator.result parameters <\/td>\n<\/tr>\n
31<\/td>\n9.6 ClockTargetPhaseDiscontinuity interface
9.6.1 General
9.6.2 ClockTargetPhaseDiscontinuity.result parameters <\/td>\n<\/tr>\n
32<\/td>\n10. Media-independent layer specification
10.1 Overview
10.1.2 Model of operation <\/td>\n<\/tr>\n
34<\/td>\n10.1.3 Grandmaster-capable PTP Instance
10.2 Time-synchronization state machines
10.2.1 Overview <\/td>\n<\/tr>\n
37<\/td>\n10.2.2 Data structures communicated between state machines <\/td>\n<\/tr>\n
41<\/td>\n10.2.3 Overview of global variables used by time synchronization state machines <\/td>\n<\/tr>\n
43<\/td>\n10.2.4 Per PTP Instance global variables <\/td>\n<\/tr>\n
44<\/td>\n10.2.5 Per-port global variables
10.2.7 SiteSyncSync state machine <\/td>\n<\/tr>\n
46<\/td>\n10.2.8 PortSyncSyncReceive state machine
10.2.9 ClockMasterSyncSendClockTimeTransmitterSyncSend state machine <\/td>\n<\/tr>\n
48<\/td>\n10.2.10 ClockMasterSyncOffsetClockTimeTransmitterSyncOffset state machine <\/td>\n<\/tr>\n
50<\/td>\n10.2.11 ClockMasterSyncReceiveClockTimeTransmitterSyncReceive state machine <\/td>\n<\/tr>\n
52<\/td>\n10.2.12 PortSyncSyncSend state machine <\/td>\n<\/tr>\n
54<\/td>\n10.2.13 ClockSlaveClockTimeReceiverSync state machine <\/td>\n<\/tr>\n
55<\/td>\n10.3 Best mastertimeTransmitter clock selection, external port configuration, and announce interval setting state machines
10.3.1 Best mastertimeTransmitter clock selection and external port configuration overview <\/td>\n<\/tr>\n
58<\/td>\n10.3.2 systemIdentity <\/td>\n<\/tr>\n
59<\/td>\n10.3.3 stepsRemoved
10.3.4 time-synchronization spanning tree priority vectors <\/td>\n<\/tr>\n
60<\/td>\n10.3.5 Priority vector calculations <\/td>\n<\/tr>\n
62<\/td>\n10.3.6 PTP Port state assignments <\/td>\n<\/tr>\n
63<\/td>\n10.3.7 Overview of best mastertimeTransmitter clock selection, external port configuration, and announce interval setting state machines <\/td>\n<\/tr>\n
66<\/td>\n10.3.8 Overview of global variables used by best mastertimeTransmitter clock selection, external port configuration, and announce interval setting state machines <\/td>\n<\/tr>\n
68<\/td>\n10.3.9 Per PTP Instance global variables <\/td>\n<\/tr>\n
72<\/td>\n10.3.10 Per-port global variables <\/td>\n<\/tr>\n
74<\/td>\n10.3.12 PortAnnounceInformation state machine <\/td>\n<\/tr>\n
77<\/td>\n10.3.13 PortStateSelection state machine <\/td>\n<\/tr>\n
79<\/td>\n10.3.14 PortAnnounceInformationExt state machine
10.3.15 PortStateSettingExt state machine <\/td>\n<\/tr>\n
81<\/td>\n10.3.16 PortAnnounceTransmit state machine <\/td>\n<\/tr>\n
83<\/td>\n10.5 Message attributes
10.5.2 Message class
10.6 Message formats
10.6.1 General <\/td>\n<\/tr>\n
84<\/td>\n10.6.2 Header <\/td>\n<\/tr>\n
85<\/td>\n10.6.3 Announce message
10.7 Protocol timing characterization
10.7.2 Message transmission intervals
10.7.3 Timeouts <\/td>\n<\/tr>\n
87<\/td>\n11. Media-dependent layer specification for full-duplex point-to-point links
11.1 Overview
11.1.3 Transport of time-synchronization information <\/td>\n<\/tr>\n
88<\/td>\n11.1.4 Model of operation
11.2 State machines for MD entity specific to full-duplex point-to-point links
11.2.5 Use of link aggregation <\/td>\n<\/tr>\n
89<\/td>\n11.3 Message attributes
11.3.2 Message types contained in each message class
11.4 Message formats
11.4.3 Sync message
11.4.4 Follow_Up message <\/td>\n<\/tr>\n
91<\/td>\n12. Media-dependent layer specification for IEEE 802.11 links
12.1 Overview
12.1.1 General
12.1.2 IEEE 802.11 Timing Measurement and Fine Timing Measurement procedures <\/td>\n<\/tr>\n
94<\/td>\n12.1.3 Layering for IEEE 802.11 links <\/td>\n<\/tr>\n
96<\/td>\n12.4 Determination of asCapable
12.5 State machines
12.5.1 Media-dependent mastertimeTransmitter state machines <\/td>\n<\/tr>\n
102<\/td>\n12.5.2 Media-dependent slavetimeReceiver state machine <\/td>\n<\/tr>\n
107<\/td>\n12.6 FTM parameters <\/td>\n<\/tr>\n
108<\/td>\n12.7 Format of VendorSpecific information element <\/td>\n<\/tr>\n
109<\/td>\n12.8 Synchronization message interval
12.8.2 Synchronization message interval default value <\/td>\n<\/tr>\n
110<\/td>\n13. Media-dependent layer specification for interface to IEEE 802.3 Ethernet passive optical network link
13.1 Overview
13.1.1 General
13.1.2 Description of the EPON timing process
13.1.3 Best mastertimeTransmitter selection <\/td>\n<\/tr>\n
113<\/td>\n13.1.4 Time synchronization in EPON <\/td>\n<\/tr>\n
114<\/td>\n13.3 Message format
13.3.1 TIMESYNC message <\/td>\n<\/tr>\n
115<\/td>\n13.5 Layering for IEEE 802.3 EPON links
13.6 Service interface definitions
13.6.1 OSSPDU.request <\/td>\n<\/tr>\n
116<\/td>\n13.6.2 OSSPDU.indication
13.7 MD entity global variables
13.8 State machines
13.8.1 Requester state machine <\/td>\n<\/tr>\n
118<\/td>\n14. Timing and synchronization management
14.1 General
14.1.1 Data set hierarchy
14.1.2 Data set descriptions <\/td>\n<\/tr>\n
119<\/td>\n14.2 Default Parameter Data Set (defaultDS)
14.2.8 currentUtcOffset
14.2.9 currentUtcOffsetValid
14.2.10 leap59
14.2.11 leap61
14.2.12 timeTraceable <\/td>\n<\/tr>\n
120<\/td>\n14.2.13 frequencyTraceable
14.2.14 ptpTimescale
14.3 Current Parameter Data Set (currentDS)
14.3.3 offsetFromMasterTimeTransmitter
14.3.7 gmChangeCount
14.3.8 timeOfLastGmChangeEvent
14.3.9 timeOfLastGmPhaseChangeEvent <\/td>\n<\/tr>\n
121<\/td>\n14.3.10 timeOfLastGmFreqChangeEvent
14.3.11 currentDS table <\/td>\n<\/tr>\n
122<\/td>\n14.4 Parent Parameter Data Set (parentDS)
14.4.2 parentPortIdentity
14.7 Acceptable MasterTimeTransmitter Table Parameter Data Set (acceptableMasterTimeTransmitterTableDS)
14.7.1 General
14.7.2 maxTableSize
14.7.3 actualTableSize
14.7.4 acceptableMasterTimeTransmitterArray <\/td>\n<\/tr>\n
123<\/td>\n14.7.5 acceptableMasterTimeTransmitterTableDS table
14.8 Port Parameter Data Set (portDS)
14.8.3 portState
14.8.8 meanLinkDelay <\/td>\n<\/tr>\n
124<\/td>\n14.8.16 announceReceiptTimeout
14.8.21 syncReceiptTimeout
14.10 Port Parameter Statistics Data Set (portStatisticsDS)
14.10.13 txSyncCount
14.11 Acceptable MasterTimeTransmitter Port Parameter Data Set (acceptableMasterTimeTransmitterPortDS)
14.11.1 General <\/td>\n<\/tr>\n
125<\/td>\n14.11.2 acceptableMasterTimeTransmitterTableEnabled
14.11.3 acceptableMasterTimeTransmitterPortDS table
14.16 Common Mean Link Delay Service Link Port Parameter Data Set (cmldsLinkPortDS)
14.16.6 meanLinkDelay <\/td>\n<\/tr>\n
126<\/td>\n15. Managed object definitions
15.2 Structure of the MIB <\/td>\n<\/tr>\n
133<\/td>\n15.3 Relationship to MIB in IEEE Std 802.1AS-2011 <\/td>\n<\/tr>\n
134<\/td>\n15.4 Security considerations
15.5 Textual conventions defined in this MIB <\/td>\n<\/tr>\n
135<\/td>\n15.6 IEEE 802.1AS MIB module, <\/td>\n<\/tr>\n
206<\/td>\n16. Media-dependent layer specification for CSN
16.1 Overview
16.5 Synchronization messages
16.5.3 Synchronization message propagation on a CSN with network reference clock
16.6 Specific CSN requirements
16.6.2 MoCA-specific behavior <\/td>\n<\/tr>\n
207<\/td>\nAnnex A (normative) Protocol Implementation Conformance Statement (PICS) proforma
A.5 Major capabilities <\/td>\n<\/tr>\n
208<\/td>\nA.7 Minimal time-aware system <\/td>\n<\/tr>\n
210<\/td>\nA.9 Best mastertimeTransmitter clock <\/td>\n<\/tr>\n
212<\/td>\nA.10 Grandmaster-capable PTP Instance <\/td>\n<\/tr>\n
213<\/td>\nA.11 Media-independent mastertimeTransmitter <\/td>\n<\/tr>\n
214<\/td>\nA.13 Media-dependent, full-duplex point-to-point link <\/td>\n<\/tr>\n
217<\/td>\nA.14 Media-dependent IEEE 802.11 link <\/td>\n<\/tr>\n
218<\/td>\nA.15 Media-dependent IEEE 802.3 EPON link
A.16 Media-dependent CSN link <\/td>\n<\/tr>\n
219<\/td>\nAnnex F (informative) PTP profile included in this standard
F.4 PTP options <\/td>\n<\/tr>\n
220<\/td>\nAnnex G (informative) The asymmetry compensation measurement procedure based on line-swapping
G.2 Pre-conditions for measurement
G.3 Measurement procedure <\/td>\n<\/tr>\n
222<\/td>\nBack Cover <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Standard for Local and Metropolitan Area Networks–Timing and Synchronization for Time\u2010Sensitive Applications Amendment 1: Inclusive Terminology (Published)<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n2024<\/td>\n222<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":465434,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-465426","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ieee","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/465426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/465434"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=465426"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=465426"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=465426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}