A presentation showcasing the core features of AliCloud's Object Storage Service. For more information visit www.alicloud.com.

1. Object Storage Service (OSS)
Core Features
AliCloud – Aspara – OSS

2. Agenda
• OSS Overview
• Reliability and Disaster Recovery
• Security
• Hybrid Cloud
• Image & Audio Video Processing
• Seamless Migration
• Mobile Device Access

3. Data Center
Object
Storage
Service
(OSS)
AliCloud
Table Service AliCloudDB
Open Data
Processing
Service
(ODPS)
Elastic
Computing
Service
(ECS)
Linux Based Computing
Alibaba Cloud (Application) Engine
ACE
Deployment
Monitoring
Remote
Procedure Call
Security
Management
Distributed
Coordination
Service
Resource
Management
Distributed File System Fuxi Scheduling

4. OSS Overview
• Part of one stop cloud service which provides rich cloud services and
middleware.
• BGP access to all the major carrier networks for internet connection.

5. Reliability and DR
• Multiple Copies in single region.
• Data Reliability: 10 digit nines.
• Global DC coverage for local access:
• 5 regions in China.
• 4 regions outside of China.
• Configurable bi-direction inter-region data backup.

6. The Nearest Upload
• Smart DNS
resolution to the
nearest IP
• Upload to the
nearest DC
• Data will be
synchronized to
central OSS site

7. Security
• Compete Authentications:
• Bucket ACL
• Object ACL
• RAM (Resource Access Management) for cross account authentication
• RAM for master/subordinate account management
• STS (Secure Token Service) for non managed secure access control
• Server side encryption
• HTTPS for connection security

8. Hybrid Cloud
• VPC to provide private environment on top of public cloud.
• Private connection between proprietary IDC and VPC for hybrid
cloud.
• OSS supports both VPC access and internet access.

9. Image Processing OSS
Auto Thumbnail Generation Yes
Auto Crop Yes
Zoom In/Out Yes
Advanced Crop Yes
Region Crop Yes
Circular Crop Yes
Round Corner Rectangle Crop Yes
Image Index Partition Yes
Thumbnail Refilling Yes
Quality based conversion Yes
Format conversion Yes
Rotation Yes
Fade in/out Yes
The Rich Image Processing

10. The Rich Image Processing
Image Processing OSS
Sharpness Yes
Blurring Yes
Brightness and contrast Yes
Exif retrieval Yes
Style Yes
Configurable parameter for Style Yes
Prefix of Style Yes
Image watermarking Yes
Automatic watermark adoption basing on
image source
Yes
Text watermark Yes
Shadowed text watermark Yes
Mixes text/image watermark Yes
Original image protection Yes
Dominant image hue retrieval Yes

11. The Rich Audio Video Processing
• Automatic H.264 stream to HLS file.
• Auto transcoding after uploaded to OSS.
• Multimedia Transcoding:
• Video Slicing
• Audio, Video Trans-Container
• Audio, Video Transcoding
• H.265 Transcoding

12. Seamless Migration Solution
• Import history data from original site to new OSS site.
• Utilize OSS Migration Tools
• Configure 404 redirect at new site(OSS) for missing link.
• Switch application to new link.

13. Application
Server
CDN
OSS Local Storage
Upload
Download
Missed Read
STS Service
Upload Callback
Acquire Upload Token
Migration Tools
Seamless Migration Solution
(Local Storage to OSS examples)

14. Mobile Device Access
• For the unstable mobile access network:
• breakpoint resume
• multipart block can be as small as 100KB
• append write

15. Thanks!