This topic lists the latest changes to Alibaba Cloud Content Delivery Network (CDN).

2021

Feature Description Release date Region Reference
Origin server weights Origin server weights are supported. You can specify the weight of each origin server if multiple origin servers are specified. Requests are redirected to the origin servers based on the weights and the round-robin algorithm. 2021-04 All regions Add a domain name to Alibaba Cloud CDN
EdgeScript (ES) templates and script monitoring ES templates are supported in the Alibaba Cloud CDN console. You can use the templates to deploy code for different scenarios after simple modifications. ES templates improves programming efficiency.

Script monitoring is supported. You can monitor the status of each script and query the error codes that appear during script execution.

2021-03 All regions EdgeScript monitoring
Remote authentication Remote authentication is supported to reinforce access control. The authentication process includes the user who sends the request, CDN nodes, and authentication server. You can create custom authentication rules in the Alibaba Cloud CDN console. All regions Configure remote authentication
Pay-by-peak-bandwidth Beginning January 8, 2021, Alibaba Cloud CDN uses the pay-by-data-transfer metering method by default. If you want to switch to the pay-by-peak-bandwidth metering method, submit a ticket or contact your sales manager. 2021-01 All regions Purchase basic services of Alibaba Cloud CDN

2020

Feature Description Release date Region Reference
Integration with Anti-DDoS Pro Alibaba Cloud CDN nodes are integrated with Anti-DDoS Pro to scrub network traffic. This way, Alibaba Cloud CDN can accelerate content delivery while mitigating malicious requests. 2020-06 All regions Configure Anti-DDoS
Image editing Image editing is supported. It allows you to resize, crop, sharpen, and rotate images and convert image formats on CDN nodes. 2020-06 All regions Overview
Management of custom response headers The custom response header feature is optimized. You can delete, change, and replace custom response headers. 2020-05 All regions Create a custom HTTP response header
Rewrite of external links to resolve IPv6 performance issues IPv6 deployment faces the following challenges: slow responses, content loading errors, and redirection errors. These are known performance issues of IPv6. You cannot resolve these issues by applying the dual-stack technology or upgrading your network or applications if the sites linked to your website do not support IPv6. Alibaba Cloud CDN provides a solution by rewriting the external links on CDN nodes and accelerating them over IPv6. 2020-05 All regions Features of EdgeRoutine
Parameter rewrite If you want to modify URL parameters in requests before they are redirected to origin servers, you can create rules to rewrite the parameters. 2020-04 All regions Configure the parameter rewrite feature
URI rewrite If you want to rewrite URIs in requests before they are redirected to origin servers, you can create rules to rewrite URIs. 2020-04 All regions Configure the URI rewrite feature
Custom HTTP response headers If you want to rewrite HTTP headers in response URLs before they are returned to CDN nodes, you can create rewrite rules in the Alibaba Cloud CDN console. 2020-04 All regions Customize an HTTP response header
Custom HTTP request headers If you want to rewrite HTTP headers in request URLs before they are redirected to origin servers, you can create rewrite rules in the Alibaba Cloud CDN console. 2020-04 All regions Customize an HTTP request header
Rate limiting When the response time of your website is increased due to HTTP flood attacks, the rate limiting feature can block specific requests that are sent to your website within seconds and improve the security of your website. 2020-04 All regions Configure rate limiting
EdgeRoutine (ER) ER is a computing environment that allows you to deploy JavaScript code on all CDN nodes at a time. 2020-03 All regions Features of EdgeRoutine

2019

Feature Description Release date Region Reference
IPv6 After IPv6 is enabled, IPv6 clients can access Alibaba Cloud CDN over IPv6. Alibaba Cloud CDN also brings the IPv6 information when Alibaba Cloud CDN accesses your origin server. 2019-10 All regions Configure IPv6 settings
Audio or video preview The audio and video preview feature allows a CDN node to return audio or video files of a specific length to clients. All regions Audio or video preview
Audio extraction After the audio extraction feature is enabled, CDN nodes extract audio data from a video file and then return only the audio data to clients. This reduces data usage. 2019-09 All regions Audio extraction
URI rewrite This feature allows you to configure URI rewrite rules in the Alibaba Cloud CDN console to customize the processing of requests. 2019-07 All regions Create a URI rewrite rule
Brotli compression Brotli is a new open source compression algorithm. It improves download performance by about 15% to 25% compared with Gzip compression. 2019-05 All regions Configure Brotli compression
User-Agent blacklists and whitelists This feature enables Alibaba Cloud CDN to control access based on the User-Agent request header. You can configure a User-Agent blacklist or whitelist to control access to your resources and block malicious requests. All regions Configure a User-Agent blacklist or whitelist
Switch between accelerated regions You can change the accelerated region for an accelerated domain name in the Alibaba Cloud CDN console. 2019-04 All regions Modify basic information
Upgraded certificate center The certificate center of Alibaba Cloud CDN is upgraded. It allows you to configure certificates for one or more accelerated domain names at a time. 2019-03 All regions Configure an SSL certificate for multiple domain names at a time
Origin SNI settings Server Name Indication (SNI) specifies the name of the domain name that is requested, and enables the origin server to return the correct certificate for the specified domain name. All regions Configure SNI

2018

Feature Description Release date Region Reference
TLS version and HSTS management
  • HTTP Strict Transport Security (HSTS) is used to force clients such as browsers to use HTTPS to establish connections to the server.
  • After a Transport Layer Security (TLS) protocol version is enabled, TLS handshakes are enabled for specified accelerated domain names.
2018-11 All regions
Latest Alibaba Cloud CDN API The earlier Alibaba Cloud CDN API will be no longer maintained. We recommend that you use the latest API. For more information, see Differences between the earlier and latest CDN API versions. 2018-09 All regions Overview of the latest API
Upgraded Alibaba Cloud CDN console The Alibaba Cloud CDN console is upgraded to a later version. This version supports basic operations such as domain name configuration and provides resource monitoring services for real-time data analytics. You can also learn about your billing information and change the billing method based on your business requirements. 2018-07 All regions Features

2017

Feature Description Release date Region Reference
Dynamic Route for CDN (DCDN)

DCDN is built based on Alibaba Cloud CDN to accelerate content delivery from applications and sites. DCDN can accelerate the delivery of dynamic content, or both dynamic and static content.

2017-08 All regions What is Dynamic Route for CDN?

2016

Feature Description Release date Region Reference
Subscription data transfer plans Alibaba Cloud CDN provides subscription data transfer plans. A data transfer plan takes effect immediately after the payment is completed. The amount of data transfer that exceeds the quota of the plan is billed on a pay-as-you-go basis. 2016-02 All regions CDN data transfer plans

2015

Feature Description Release date Region Reference
Cache expiration rules and priorities You can configure cache expiration rules for resources of a specific file type or under a specific directory. For each expiration rule, you can specify a time-to-live (TTL) value for the cached resources and set the priority of each rule. 2015-10 All regions Create a cache expiration rule
Custom HTTP response headers Ten types of HTTP response header are supported by Alibaba Cloud CDN. 2015-08 All regions Create a custom HTTP response header

2014

Feature Description Release date Region Reference
Official release of Alibaba Cloud CDN Alibaba Cloud CDN is a distributed virtual network that consists of edge nodes deployed in different regions across the world. Alibaba Cloud CDN reduces network traffic on origin servers to prevent network congestion. You can use Alibaba Cloud CDN to accelerate content delivery in different regions and scenarios. 2014-03 All regions What is Alibaba Cloud CDN?