1159| Glossary of Terms AOS-W 6.5.3.x| User Guide
WMI
Windows Management Instrumentation. WMI consists of a set of extensions to the Windows Driver Model that
provides an operating system interface through which instrumented components provide information and
notification.
WMM
Wi-Fi Multimedia. WMM is also known as WME. It refers to a Wi-Fi Alliance interoperability certification, based
on the IEEE 802.11e standard. It provides basic QoS features to IEEE 802.11 networks. WMM prioritizes traffic
according to four ACs: voice (AC_VO), video (AC_VI), best effort (AC_BE), and background (AC_BK).
WPA
Wi-Fi Protected Access. WPA is an interoperable wireless security specification subset of the IEEE 802.11
standard. This standard provides authentication capabilities and uses TKIP for data encryption.
WPA2
Wi-Fi Protected Access 2. WPA2 is a certification program maintained by IEEE that oversees standards for
security over wireless networks. WPA2 supports IEEE 802.1X/EAP authentication or PSK technology, but
includes advanced encryption mechanism using CCMP that is referred to as AES.
WSDL
Web Service Description Language. WSDL is an XML-based interface definition language used to describe the
functionality provided by a web service.
WSP
Wireless Service Provider. The service provider company that offers transmission services to users of
wireless devices through Radio Frequency (RF) signals rather than through end-to-end wire communication.
WWW
World Wide Web.
X.509
X.509 is a standard for a public key infrastructure for managing digital certificates and public-key encryption.
It is an essential part of the Transport Layer Security protocol used to secure web and email communication.
XAuth
Extended Authentication. XAuth provides a mechanism for requesting individual authentication information
from the user, and a local user database or an external authentication server. It provides a method for storing
the authentication information centrally in the local network.
XML
Extensible Markup Language. XML is a markup language that defines a set of rules for encoding documents in
a format that is both human-readable and machine-readable.
XML-RPC
XML Remote Procedure Call. XML-RPC is a protocol that uses XML to encode its calls and HTTP as a transport
mechanism. Developers who want to provide integrated applications can use the API to programmatically