1. Overview of CDMI (Cloud Data Management Interface) (CDMI_SNIA_Architecture_v1.0.1 : 4~7장)
발표자 : 박용훈

2. Contents Conventions Overview of Cloud Storage Common Operations
Data Storage as a Service
Data Management for Cloud Storage
Reference Model for Cloud Storage Interfaces
Object Model for CDMI
CDMI Metadata
Object ID
CDMI Object ID Format
Security
Common Operations
Interface Standard

3. RESTful protocol CDMI is an HTTP/RESTful protocol
Noelios Consulting 이라는 회사에서 만든 Java 기반 REST 구현체

4. Interface format

5. Example of Interface Format

6. What is Cloud Storage?
The cloud represents any to any network connectivity in an abstract way
Cloud storage is simply the delivery of virtualized storage on demand
Data storage as a Service

7. Data Storage as a Service
An important part of any Daas offering is the support of legacy clients
ISCSI for block, WebDAV for file
Container
A Useful abstraction for storage space
A group of the data
A point of control for applying data services

8. Data Storage as a Service
Each data object is created, retrieved, updated, and deleted as a separated resource (CRUD)
Another type of DaaS offering is one of simple table space storage, allowing for horizontal scaling of database operations that certain applications need.
Database/Table Client

9. Data Management SNIA Storage Industry Resource Domain Model(SIRDM) 사용
User Metadata
사용자 인증 권한 정보
Storage System Metadata
Size, Access time, Owner, ACL 등의 저장소 정보
Data System Metadata
Encryption, Retention 등의 데이터 보호관련 정보

10. Cloud Stroage Reference Model

11. Object Model for CDMI

12. CDMI Metadata HTTP metadata User metadata Data system metadata
Storage system metadata

13. Object ID
Every object stored with a CDMI-compliant system shall have a globally unique object identifier (ID) assigned at creation time
CDMI Ojbect ID Format
Reverved : 0
Enterprise Number : SNMP enterprise number
Length : full length of objects ID
CRC : 에러 검출 코드

14. Security Transport security User and entity authentication
Authorization and access controls
Data integrity
Data and media sanitization
Data retention
Protections against malware
Data at-rest encryption
Security capabilities

15. Common Operations
Discovering the capabilities of a cloud storage provider
Creating a new container
Creating a new data object
Listing the contents of a container
Reading the contents of a data object
Delete a data object

16. Discovering the capabilities

17. Creating a new container

18. Creating a new data object

19. Listing the contents of a container

20. Reading the contents of a data object

21. Delete a data object

22. Interface Standard
HTTP status codes

23. Interface Standard
Types of Resources in the Model