General Problems
What Is Express Tunnel Service?
Express Tunnel is a high-performance, high-security and physically isolated network transmission service that provides you with a fast and reliable connection to Baidu AI Cloud.
Through express tunnel service (ET), you can expand your local data center to Baidu AI Cloud and establish a high-speed, stable and secure extranet connection channel between the private data center (IDC) and Baidu AI Cloud.
How Much Bandwidth Does the Express Tunnel Service Support?
Baidu AI Cloud express tunnel service provides express tunnel service with a bandwidth of 2Mbps-100Gbps.
How to Apply for Baidu AI Cloud Express Tunnel Service and How to Charge It?
To apply for an express tunnel, you need to pass Enterprise Authentication. Please see the Ticket feedback or consult the account manager for the price.
What Is the Main Difference Between Baidu AI Cloud Express Tunnel Service and Traditional Public Network Connection?
Compared with public network connection, express tunnel mainly provides differentiated advantages of high performance and high security. The direct connection speed of express tunnels is up to 100Gbps, which avoids the problems of packet loss and jitter in the traditional public network; the express tunnel provides a separate physical channel, and the link is not shared with other users, which guarantees the security of business data.
What Are the Differences Between Express Tunnel and Virtual Private Network?
| Characteristics | Express tunnel products | VPN service |
|---|---|---|
| Network quality | Extremely high network quality | Depend on the operator's BGP line quality |
| Flexibility | Long construction and enabling cycle | Short enabling cycle |
| Cost | Safe and stable communication quality, complex line facilities and high construction costs. | Data is transmitted over the public network at low cost. |
| Security | Separately construct physical lines to fulfill 100% physical isolation and achieve the safety, reliability and isolation of "financial level". | Use the existing public network links to establish encrypted secure tunnels by aid of the IPSec protocol. Achieve isolation and security through software. |
| Customer scenario | Suitable for larger enterprises, such as financial and government & enterprise customers. | Suitable for small and medium-sized enterprises, such as Internet and game customers. |
Which Engine Rooms Can Provide Baidu AI Cloud Express Tunnel Service?
Currently, the ET is available in seven major regions of Baidu AI Cloud. For more information, please fill in a Ticket or consult our customer manager.
What Should I Do if the Express Tunnel Expires?
You need to create the local ET on your own. Please contact your ET provider to pay the ET rent. Billed item of Baidu AI Cloud: The port resource usage fee can be paid monthly or annually.
- If you continue to use it, please renew the express tunnel in time before it expires so as to avoid that the network service is stopped after the express tunnel expires. If the express tunnel is not renewed or recharged within 1 month after it expires, destruction process for the express tunnel will be started, and the express tunnel and the corresponding express tunnel channel will be deleted.
- If you do not continue to use it, destruction process for the express tunnel will be started after the validity period expires, and the express tunnel and the corresponding express tunnel channel will be deleted.