How to ensure stable access for private cloud computing dynamic IP

The current internet World (IPV4 environment), IP Address resource gap is very large, many network users do not have a fixed IP address, only under certain conditions to share some of the IP address, that is, "Dynamic IP" way to network access (such as ADSL). In this case, the registered domain name will certainly not have a fixed IP address, but by the "Dynamic Domain Name" service provider real-time domain name resolution, the network at all levels of DNS servers at any time to update domain name IP information. In fact, with the proliferation of Internet users, the real-time nature of dynamic analysis of domain name is more and more difficult to guarantee, especially as a "free" application of the scene, there is always a certain degree of lag, even the resolution of service interruption. The consequences of this situation are intolerable for users of cloud computing, which require high network connectivity stability.

"Benefits and VA" is a virtual application cloud computing software, used to achieve private cloud remote access. In view of the above Internet situation, combined with the characteristics of virtualization application, VA gives two solutions. One, "Multiple dynamic Domain name fault tolerance." The domain name of a number of domain service providers to the VA console, the client remote access, if a domain name is not stable, automatic use of other alternate domain name connection server applications (ERP, MIS, etc.), to achieve a more stable connection. Second, "Dynamic IP redirection." The following highlights the second programme of its recent implementation.

Principle

"Dynamic IP redirection" is dependent on the VA manufacturer on the Internet server, the VA or EAA users of the dynamic IP redirect to the unified "VA domain name", equivalent to providing VA users a dedicated IP resolution. The description of the image is to the VA users on the internet to provide a "fulcrum", this fulcrum for the change of the fixed user IP with a fixed VA domain name for analysis, to facilitate the end-user use.

Role

VA users can directly use the name.ip.Va01.cn domain name for remote connection, do not have to rely entirely on the existing dynamic Domain Name service provider, to provide a more stable connection environment.

Use steps

1. From the VA official website or other routes to obtain 5.5.2.7284 and above version, each service-side version should correspond to the VA corresponding to the VA update version, EAA corresponding EAA updated version, not mutual replacement update.

2. Get installation package directly cover installation, but if the version gap is too large, the system will be prompted to restart the server to update the replacement!

3. Execute the console program, in the application cluster-> configuration and Parameters-> dynamic domain name can see va01.cn (IP redirect) function:

4. Click to open the Settings dialog box, fill in the registration information, the following figure:

Note that the port information here needs to be consistent with the console Web Access port, and the other settings are default

After completion, click "Test" Feedback test results, "OK" after saving.

Web forwarding mode option:

Inner box: Use registered VA domain name for access, such as name.ip.Va01.cn;

HTTP redirection: Enter the real-time ip+ port number that is redirected to the current server side after VA accesses the domain name.

IP Update mode option:

Website Automatic detection: using IP. va01.cn Automatic detection of external network real-time IP;

This machine detects: This machine detects the external network IP, uses up to more than 75 website real-time detection IP change.

The real-time IP obtained by the two detection modes is automatically recorded to the local configuration file of the server cluster.

5. Client access, open the Web page, directly fill in the registered access to the domain name, do not need to add a port after the domain name, VA will automatically turn to the appropriate port (this feature only for va01.cn domain names, other manufacturers need to use port login)

For example: http://testva.ip.va01.cn can be accessed directly without additional 88 ports

6. If the client is using AR Client access, you need to fill in the registered domain name and corresponding port in the client configuration form

VA's multiple dynamic Domain name fault-tolerant function, combined with the VA dynamic IP redirection function, two complementary, community now VA client, to use XDSA, no fixed IP users, provides a very stable network connectivity environment.

(Responsible editor: The good of the Legacy)