Object Storage Service


Enterprise-ready Object Storage Service
Alibaba Cloud Object Storage Service (OSS) provides industry-leading scalability, durability and performance. Customers of all sizes and industries can use it to store and protect any amount of data for use cases, such as backup and restore, content distribution, data lakes, websites, mobile applications ,data archive and IoT devices.

Fully managed object storage service to store and access any amount of data from anywhere

OSS is designed for 99.9999999999% (12 9’s) durability, and backed up with industry-leading SLA. It helps millions of companies to build a scalable, secure and cost-effective storage foundation. It is also one of the key services that empowers Alibaba’s Double Eleven event every year.

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Industry-leading SLA Cost-effective and easy-to-consume Enterprise-ready security and compliance
  • OSS is designed for 99.9999999999% (12 9’s) durability with multi-layer redundancy and end-to-end data verification design. OSS provides high standard SLA, 99.99% availability for local redudant storage and 99.995% availability for zone redudant storage.
  • OSS has 10+ years of history and is the storage foundation for Alibaba E-commerce platform. It passed the tests of Alibaba Double Eleven event every year and supported billions of users. And its multi-layer redundancy and end-to-end data verification design make sure it is highly durable and reliable.
  • OSS offers four tiers of storage: Standard, Infrequent Access, Archive, Cold Archive. Each tier is cost-optimized for specific storage pattern. The archive tier offers data retrieval time within one minute. And the cold archive tier offers expedited data retrieval time within an hour.
  • OSS supports pay-as-you-go and different capacity reservation plans. In addition, it supports Storage Capacity Unit, which allows you to plan your all storage budget and usage in one place.
  • OSS makes sure your data is secure, in transit, in storage, or during access. Bring your own key (BYOK) encryption ensures your data is encrypted when it is stored in cloud platform. Write-Once-Ready-Many (WORM) prevents malicious or accidental data deletion.
  • OSS integrates with Sensitive Data Protection to identify sensitive data, such as PII data. In addition, OSS is the only cloud storage service in China that has passed the audit and certification of Cohasset Associates and can meet specific requirements for electronic data storage.
Easy data migration Built-in media processin Analytic engines support
  • Customers do not need to switch to different storage tools when they migrate objects from other object sotrage service. OSS APIs that interact with objects are compatible with Amazon S3. Also to help with data migration, the online migration service provides free managed migration engine to transfer objects from a variety of data sources, such as Amazon S3, Azure Blob, Google Cloud, etc
  • OSS provides built-in media processing feature to simplify developer experience and the need to maintain a compute cluster for these tasks. You can add Image Processing (IMG) parameters to GetObject requests to process image objects stored in Object Storage Service (OSS). For example, you can add image watermarks to images or convert image formats. You can also use OSS to capture video snapshots and provides examples.
  • OSS makes data available to all different analytic engines. Out of the box, OSS integrates with lots of Alibaba cloud analytic engines including Elastic Map reduce, MaxCompute, Flink, Data Lake Analytics, and also machine learning products including platform of AI, EMR –Data Science. It is compatible with open sources products, including Databricks, Spark Hadoop, Presto, Impala, etc.


Storage Classes

OSS design 4 tiers of storage to help customers to optimize the cost. Use Standard tier for your hot data and Infrequent Access tier for less accessed data. If you need to archive your data, you can choose Archive or Cold Archive. Our Archive tier offers retrieval time within one minute while it takes minutes to hours with our competitor. For cold archive, the retrieval time is within an hour, while it takes 12 hours to 48 hours with our competitors.

Simple Billing

Some storage fees are hard to predict, such as API requests. A fault program can generate lots of API requests. Therefore, OSS designs a set of free quotas for the following billable items: read API requests, write API requests, internet egress.

Tranfer Acceleration

Object Storage Service (OSS) uses data centers distributed around the globe to implement transfer acceleration. When a request is sent to your bucket, it is parsed and routed to the data center where the bucket is located over the optimal network path and protocol. The transfer acceleration feature provides an optimized end-to-end acceleration solution to accessing OSS over the Internet.

Media Processing

You can add Image Processing (IMG) parameters to GetObject requests to process image objects stored in Object Storage Service (OSS). For example, you can add image watermarks to images or convert image formats.

Back to Origin

You can configure back-to-origin rules for a bucket. If a request is sent to access an object that does not exist in a bucket for which back-to-origin rules are configured, OSS obtains the requested object from the origin specified by the back-to-origin rules. You can configure mirroring-based or redirection-based back-to-origin rules for hot migration and specific request redirection.


In 2021, VinaHost Co., Ltd. became an official partner of Alibaba Cloud, providing Cloud Based Services. VinaHost joins Alibaba Cloud Partner Network in order to provide individuals, organizations and businesses with high quality services with higher scalability, resilience, efficiency and innovation.

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Object storage service

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