Appendices 325
This applet is a software component that provides the user interface needed to display a remote
target device through serial over IP sessions.
Tiered switch
A tiered switch is also known as a cascade switch. See the definition of cascade switch.
Unit
Unit is a generic term that refers to either a target device or a managed appliance. For example,
the Unit List may contain both target devices and managed appliances.
UDP (User Datagram Protocol)
UDP is a connectionless protocol that runs on top of IP networks like TCP. Unlike TCP/IP,
UDP/IP provides very few error recovery services, offering instead a direct way to send and
receive datagrams over an IP network. UDP is primarily used for broadcasting messages over
anetwork.
Video Viewer
The Video Viewer is a software component that provides the user interface needed to display a
remote target device through KVM over IP sessions.
VPN (Virtual Private Network)
VPN is a means of implementing a private network on a public network such as the Internet.
By encrypting data and assigning addresses, the impression is given to networks at each end of
the VPN that they are connected by a private physical network instead of across a
public network.
(WAN) Wide Area Network
WAN typically refers to a network that is distributed at multiple sites and connected by a
relatively slow link between the sites. The WAN is frequently implemented using a VPN on
the Internet.
(WAS) Web Application Server
WAS is software that runs on a server that is capable of executing web applications. The WAS
software typically contains or works with a web (HTTP) server.
(Webapp) Web Application
Webapps are groups of server-side Web resources that make up an interactive online
application. The web resources include Java servlets, JavaServer Pages
™
(JSPs), static
documents (such as HTML documents), and applets that can be deployed in a DSView
software client web browser. Web applications must run in the context of a web application
server such as the DSView software server.
Web server
A web server is a computer equipped with server software to respond to HTTP requests, such
as requests from a web browser. A web server uses the HTTP protocol to communicate with
clients on a TCP/IP network.
X.509
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