Do you want to decrease the time an update needs to complete? Advanced Link Manager allows you to use multiple proxy servers. The update time will decrease, because the application sends a search request for each proxy server in parallel. Search engines will treat the search request as coming from different IP addresses.
Set the currently selected proxy server as the default application proxy server and you can use its settings to download new search engine updates and any other connections besides the connections to the search engines.
This feature is only available in the Enterprise version.