Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.
- Create BookmarkCreate Bookmark
- Create Note or TagCreate Note or Tag
- PrintPrint
Gatekeepers
Gatekeepers
In the VoIP world of H.323, the GK plays a vital role if included in the network. The use of a GK is optional; if chosen, the GK must perform certain functions. Gatekeepers act like the brains in an H.323 network. They provide network access, bandwidth management, address translation, accounting, and dial plans. Gatekeepers allow the simple configurations of the majority of devices on your network, while requiring only a few devices to hold the majority of configurations. This architecture keeps call routing, security, and administration centralized to a few devices. Because the network only has a handful of devices that need to be configured when changes occur, the likelihood of errors is diminished.
Note
I use VoIP in this short cut to simplify the concept. Gatekeepers will work on any VoXX network using the H.323 protocol suite. Gatekeepers do not concern themselves with the medium or underlying technologies. Gatekeepers only need to make path selections and know whether resources are available for allocation.
