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RFID Code Resolution Service
Based on RFID Public Services
Infrastructure
Liu Wei
Electronics and Information Eng. Departm...
2
Agenda
 RFID Code Resolution Service
 Introduction
 Background
 Code Resolution Service Solution
 Components
 Arch...
3
What is the RFID Code Resolution Service?
 RFID Public Service System can correlate Items
information in different area...
4
Where is the Code Resolution Service?
5
Background
 EPC Global – Logistic
 Things of Internet
 Including: Tag, Reader,
Savant, ONS, EPCIS
 UID – Everyday
Ap...
6
Agenda
 What is the RFID Code Resolution Service?
 Introduction
 Background
 Code Resolution Service Solution
 Comp...
7
Service Users
 RFID Key Data
 event, index, content
 User Roles
 Code Managers:
 Distribution of the Code
 Informa...
8
Components
Distributed
Code
Resolution
System
Distributed
Mapping
Database
Network
Management
System
Security and Privac...
9
Architecture
Root
Higher-level
authorized Server
Lower-level
authorized Server
 Is a index service.
 Is a public resou...
10
RFID Code Resolution Process
Address Resolution Location Search
11
RFID Code Resolution Process
(Continued)
CRS: Code Resolution Server O-CRS: Other industry CRS
L-CRS: Local CRS
12
Key Technique
 RFID Code Resolution Network Framework
 RFID Code Resolution Network Transport Protocols
 RFID Code R...
13
RFID Code Resolution Network Framework
 RFID Code Resolution Network Transport
Protocols
 PDU format
 PDU Sequence f...
14
RFID Root Resolution System
 RFID Code Register and Management
 Enterprise Register and Items Register, Human Registe...
15
RFID Distributed Resolution System
 Data Synchronization and Update
 Cache Strategy, cache data updating
 Address ma...
16
Data
…
CRS(I0)
A B CEnterprise EPCIS
CRS Network
CRS(I1)
D E F G
I0(ABC) I1(DEF)EPC G …
A B C D E F
Data Pointer
Inform...
17
Data (Continued)
 Precondition
 It is not need for user to know every node of a supply chain.
 Maybe some MNCs want ...
18
Resolution Network
Register
CRS
CRS Network
A B C D
Enterprise EPCIS
…
CRS Network and Authentication
User General User...
Thanks!
Liu Wei
Liuwei@mail.hust.edu.cn
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T2_2_Liu_Wei_RFID_Code_Resolution_Service.ppt

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T2_2_Liu_Wei_RFID_Code_Resolution_Service.ppt

  1. 1. RFID Code Resolution Service Based on RFID Public Services Infrastructure Liu Wei Electronics and Information Eng. Department Huazhong University of Science and Technology
  2. 2. 2 Agenda  RFID Code Resolution Service  Introduction  Background  Code Resolution Service Solution  Components  Architecture  Key Technique  Data  Data and Network
  3. 3. 3 What is the RFID Code Resolution Service?  RFID Public Service System can correlate Items information in different areas, and achieve reunification of logistic and information flow.  RFID Public Service System can be divided into two levels:  Dedicated application service (Region, Industry, Enterprise Application)  Common base service (Code Resolution)  RFID Code Resolution Service is the core of the RFID Public Service System.  Provide Code and Address Resolution Service  Achieve application service orientation according to the electronic product code  Achieve information exchange and share
  4. 4. 4 Where is the Code Resolution Service?
  5. 5. 5 Background  EPC Global – Logistic  Things of Internet  Including: Tag, Reader, Savant, ONS, EPCIS  UID – Everyday Application  U-code computing model  Including: Ucode, Information Server, Ubiquitous Communications, Ucode Resolution Server
  6. 6. 6 Agenda  What is the RFID Code Resolution Service?  Introduction  Background  Code Resolution Service Solution  Components  Architecture  Key Technique  Data  Data and Network
  7. 7. 7 Service Users  RFID Key Data  event, index, content  User Roles  Code Managers:  Distribution of the Code  Information Owners:  Agencies who store RFID events and information, such as single enterprise, leading enterprise in supply chain, industry charging ministry, and etc.  Base Service Provider  Address Resolution, Active/Passive Information Service  Application Service Provider  Value Added Service based on RFID Data  Query User
  8. 8. 8 Components Distributed Code Resolution System Distributed Mapping Database Network Management System Security and Privacy Protection Framework RFID Code Resolution Service Interfaces for EPCIS, Application Service, Middleware
  9. 9. 9 Architecture Root Higher-level authorized Server Lower-level authorized Server  Is a index service.  Is a public resource for all the RFID network users.  For the scalability and realization, it should be a distributed architecture.  Only one root server  Every server node can have one or more child  Every server only have one father
  10. 10. 10 RFID Code Resolution Process Address Resolution Location Search
  11. 11. 11 RFID Code Resolution Process (Continued) CRS: Code Resolution Server O-CRS: Other industry CRS L-CRS: Local CRS
  12. 12. 12 Key Technique  RFID Code Resolution Network Framework  RFID Code Resolution Network Transport Protocols  RFID Code Resolution Network Security and Access Control Protocols  RFID Root Resolution System  RFID Code Register and Management  Multi-Codes Resolution  Security Protection  RFID Distributed Resolution System  Data Synchronization and Update  Data Distributing and Prepare Strategy
  13. 13. 13 RFID Code Resolution Network Framework  RFID Code Resolution Network Transport Protocols  PDU format  PDU Sequence flow  Information control method for process and exception  RFID Code Resolution Network Security and Access Control Protocols  Key  Encrypting algorithm  Signature  Security Architecture
  14. 14. 14 RFID Root Resolution System  RFID Code Register and Management  Enterprise Register and Items Register, Human Register and Automatic Register  Data Management, including add, modify and delete  Multi-Codes Resolution  Can support multi-codes, such as NPC, EPC, UID, and etc.  Multi-Codes Control, can add new style RFID code or delete old style RFID code  Security Protection  Eavesdropping, Holding up RFID information  DDos  Re-transmission attack  …
  15. 15. 15 RFID Distributed Resolution System  Data Synchronization and Update  Cache Strategy, cache data updating  Address mapping data synchronization, ensure the data on Code Resolution Server is consistent with it on EPCIS  Sequence Flow and Data exchange rule  Data Distributing and Prepare Strategy  Application Service
  16. 16. 16 Data … CRS(I0) A B CEnterprise EPCIS CRS Network CRS(I1) D E F G I0(ABC) I1(DEF)EPC G … A B C D E F Data Pointer InformationRegister Common CRS A B C Informationsearch EPC Data Pointer
  17. 17. 17 Data (Continued)  Precondition  It is not need for user to know every node of a supply chain.  Maybe some MNCs want to manage related supply chain information by theirselves.  Different users may get different supply chain information.  Solution  Allow several nodes of a supply chain to be stored in one server, and this server only can be controlled by some authorized users.  Every node of a supply chain may be a small supply chain.  General user can retrieve a fragmentary supply chain information, this information may contain manufacture, distributor and retailer.  To retrieve more information, you should have right to search in- depth.
  18. 18. 18 Resolution Network Register CRS CRS Network A B C D Enterprise EPCIS … CRS Network and Authentication User General User VIP User Public information search Classification search CA EPC … Authenticaiton Register Register Register
  19. 19. Thanks! Liu Wei Liuwei@mail.hust.edu.cn

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