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1. Overview 11

1.1 Scope 11

1.2 Purpose 11

1.3 Document organization 11

1.4 Requirement language 12

1.5 Typography conventions used 12

1.6 Design principles 12

2. Normative references 12

3. Definitions, acronyms, and abbreviations 14

3.1 Definitions 14

3.2 Acronyms and abbreviations 16

4. Design pattern 18

4.1 Protocol flexibility 18

4.2 General rules/best practices 18

4.3 WADL 19

4.4 Schema 19

4.5 Uniform resource identifiers 20

4.6 List resources 20

4.7 Resource design rules 24

5. Application support 24

5.1 Overview 24

5.2 Use of TCP 24

5.3 URI encoding 25

5.4 HTTP headers 25

5.5 HTTP response codes 27

5.6 Application payload syntax 30

5.7 Content negotiation 31

6. Security 32

6.1 Introduction 32

6.2 Security attributes 32

6.3 Device credentials 39

6.4 Resource access authentication and authorization context 40

6.5 Resource access authentication 42

6.6 Resource access authorization 42

6.7 Cipher suites 42

6.8 Default security policy 43

6.9 Registration 44

6.10 Security LogEvents 46

6.11 Certificate management 46

7. Discovery 59

7.1 Introduction 59

7.2 Service instance 60

7.3 Service name 61

7.4 TXT record 61

7.5 Subtype queries 62

7.6 Discovery procedure 64

8. Support resources 64

8.1 Introduction 64

8.2 Resource section outlines 65

8.3 Device Capabilities function set 66

8.4 Self Device function set 67

8.5 End Device function set 67

8.6 Function Set Assignments function set 69

8.7 Subscription/Notification function set 70

8.8 Response function set 73

9. Common resources 77

9.1 Introduction 77

9.2 Time function set 77

9.3 Device Information function set 79

9.4 Power Status function set 79

9.5 Network Status function set 80

9.6 Log Event function set 81

9.7 Configuration function set 83

9.8 File Download function set 83

10. Smart energy resources 88

10.1 Introduction 88

10.2 Common application functionality 88

10.3 Demand Response and Load Control function set 95

10.4 Metering function set 99

10.5 Pricing function set 105

10.6 Messaging function set 109

10.7 Billing function set 111

10.8 Prepayment function set 114

10.9 Flow Reservation function set 116

10.10 Distributed Energy Resources function set 117

10.11 Metering Mirror function set 128

11. Manufacturer-specific proprietary extensions 130

11.1 Overview 130

11.2 xmDNS/DNS-SD 130

11.3 URIs 130

11.4 Resources 130

11.5 DeviceCapabilities resource 131

Annex A (informative) Web-application description language (WADL) 132

A.1 Introduction 132

A.2 Support resources section 132

A.3 Common resources section 136

A.4 Smart energy resources section 139

Annex B (informative) IEEE 2030.5 model 153

B.1 Introduction 153

B.2 IEEE 2030.5 package 153

Annex C (informative) Examples and guideline 267

C.1 Introduction 267

C.2 Registration: Remote 267

C.3 Registration: Local 270

C.4 Discovery: Function Set Assignment 272

C.5 Discovery: Without Function Set Assignment 274

C.6 Discovery: Undirected without Function Set Assignment 276

C.7 Subscription/Notification 277

C.8 Demand response: General 280

C.9 Demand response: Cancel 284

C.10 Distributed energy resource: General 286

C.11 Metering: Reading 290

C.12 Metering: Interval 295

C.13 Metering: Instantaneous 302

C.14 Metering: Mirroring 305

C.15 Pricing: Time of use 317

C.16 Billing: Billing period 322

C.17 Billing: Historical 324

C.18 Billing: Projection 328

C.19 File loading 330

C.20 Flow Reservation: General 334

C.21 Flow Reservation: Cancel 339

C.22 Event randomization 343

Annex D (informative) Guidelines 348

D.1 Pricing implementation guidelines 348

D.2 PEV implementation guidelines (subject to work with SAE and ISO/IEC) 353

Annex E (informative) Mapping to IEEE Std 1547-2018 354

Annex F (informative) Bibliography 359

IEEE Standard for Smart Energy Profile Application Protocol

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