What Is the ICP License in China and How To Get One

  1. Leverage existing service outside of China, either hosted on-premises or in public cloud
  2. Solve network quality issues with Alibaba Cloud CEN and proxy servers
  3. Realize domain name consistency with on-the-fly domain name conversion
  4. Achieve great performance by leveraging Alibaba Cloud CDN and DCDN
    ICP and related process are out of the scope of this document.
  1. Alibaba Cloud DNS service hosting the new domain name “example.cn”
  2. Two Alibaba Cloud VPCs, one in Shanghai, one in US East. Both VPCs are attached to a Cloud Enterprise Network (CEN), establishing reliable, low latency, private connection between Shanghai and US East. Instructions for CEN configuration can be found at https://www.alibabacloud.com/help/doc-detail/65885.htm
  3. Deploy ECS instance in Shanghai VPC, running HAProxy (www.haproxy.org) in TCP mode, serving user requests for example.cn at a public IP (or Elastic IP). All user requests are then proxied to the ECS instance running Nginx in US East VPC via CEN.
  4. Deploy ECS instance in US East VPC, running Nginx. It is important to choose a region that is geographically close to where the existing service is hosted (US East in this example) to minimize latency over public Internet. Configure Nginx proxy_pass and sub_filter to convert the domain part of the requests on the fly, ie. from “example.cn” to “example.com”, so that all HTTPS requests to example.cn from users in China are converted to example.com and proxied to the origin web server in US East via public Internet. The URLs in the returned HTML are converted back to example.cn and forwarded to users in China via HAProxy. The Nginx server needs to have ngx_http_proxy_module and ngx_http_sub_module loaded to perform the conversion.

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