Elastic Compute Service
High Availability
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Alibaba Cloud adopts more stringent IDC standards, server access standards, and O&M standards to ensure data reliability and high availability of the cloud computing infrastructure and ECS.
Reliability
Alibaba Cloud ECS offers an industry-leading SLA, with a commitment of 99.975% availability for individual instances and a commitment of 99.995% availability for multiple zones within the same region.
Security
Alibaba Cloud has passed a host of international information security certifications, such as ISO 27001 and MTCS, which demands strict confidentiality of user data and user information, as well as user privacy protection.
Flexible Billing Methods
ECS provides multiple billing methods to cater to the cost-effectiveness requirements in different scenarios. Annual/monthly subscription, Pay-As-You-Go, Real time bidding subscription, Reserved instance. Exclusive network bandwidth billing methods are also provided to help you save more on resources.
Elasticity
Elasticity is a key benefit of cloud computing. Alibaba Cloud provides elastic computing, storage, networking, and business architecture planning and allows you to combine your businesses as needed.
Global Deployment
Choose from 28 international regions with multiple availability zones in each region and manage all regions from a single global account.
ECS Features
Features that meet your needs in every scenario
Flexbile Puchasing Options
ECS provides flexible purchasing models such as subscription model, pay as you go, reserved instances, as well as preemptible instances to meet your different business needs.
Reserved Instance
Pay-As-You-Go
Subscription
Preemptive Instance
Auto Scaling
You can make an Autoscaling group and your ECS instances in the group can automatically scale-out or scale-in according to the metrics or triggers or your choice such as CPU utilization or network utilization.
Auto Provisioning
Auto Provisioning makes it easier for you to take advantage of preemptible instances. It will automatically pick the instances across instance families, availability zones and purchasing models according to your strategy such as 'lowest cost' and utilize preemptible instances as much as possible to maintain you ECS fleet at your desired capacity.
CPU options
ECS allows you to turn off hyperthreading that is beneficial to certain workloads such as HPC. ECS also allows you to shut down certain amount of vCPUs in order to save licensing costs.
Dedicated Host Clusters
ECS provides Dedicated Host Clusters (DDH) so that the physical servers are dedicated to you without other tenants on it. You can place your virtual machines onto those servers according to your needs.
