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Product Advantages

Updated on 2024-04-15 GMT+08:00

Flexible Configuration

You can create VPCs, add subnets, specify IP address ranges, and set route tables. You can configure the same VPC for ECSs that are in different availability zones (AZs).

Secure and Reliable

VPCs are logically isolated through tunneling technologies. By default, different VPCs cannot communicate with each other. You can use network ACLs to protect subnets and use security groups to protect ECSs. They add additional layers of security to your VPCs, so your network is secure.

Figure 1 Secure and reliable

Seamless Interconnectivity

By default, instances in a VPC cannot access the Internet. You can use EIPs, and load balancers to enable access to or from the Internet.

By default, instances in different VPCs cannot communicate with each other. You can create a VPC peering connection to enable the instances in the two VPCs in the same region to communicate with each other using private IP addresses.

Multiple connectivity options are available to meet diverse service requirements for the cloud, enabling you to deploy enterprise applications with ease and lower enterprise IT operation and maintenance (O&M) costs.

High-Speed Access

Dynamic BGP is used to provide access to various carrier networks. You can establish over 20 dynamic BGP connections to different carriers. Dynamic BGP connections enable real-time failovers based on preset routing protocols, ensuring high network stability, low network latency, and smooth access to services on the cloud.

Advantage Comparison

Table 1 lists the advantages of a VPC over a traditional IDC.

Table 1 Comparison between a VPC and a traditional IDC

Item

VPC

Traditional IDC

Deployment cycle

  • You do not need to perform complex engineering deployment, including engineering planning and cabling.
  • You can determine your networks, subnets, and routes on the cloud based on service requirements.

You need to set up networks and perform tests. The entire process takes a long time and requires professional technical support.

Total cost

The cloud provides flexible billing modes for network services. You can select whichever one best fits your business needs. There are no upfront costs and network O&M costs, reducing the total cost of ownership (TCO).

You need to invest heavily in equipment rooms, power supply, construction, and hardware materials. You also need professional O&M teams to ensure network security. Asset management costs increase with any change in business requirements.

Flexibility

The cloud provides a variety of network services for you to choose from. If you need more network resources (for instance, if you need more bandwidth), you can expand resources on the fly.

You have to strictly comply with the network plan to complete the service deployment. If there are changes in your service requirements, it is difficult to dynamically adjust the network.

Security

VPCs are logically isolated from each other. You can use security features such as network ACLs and security groups, and even security services like Advanced Anti-DDoS (AAD) to protect your cloud resources.

The network is insecure and difficult to maintain. You need professional technical personnel to ensure network security.

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