I
IP precedence - Refers to the precedence field in the ToS byte (see ToS byte) in IP. See RFC 1812. In WebQoS, the
L
load balancer - A network element that directs traffic to servers within a server farm based on the current load being processed by the servers.
N
network QoS protocols - Protocols that are used for network quality of service. For example, IP ToS, RSVP, 802.1p, etc. Also known as QoS behavior.
P
persistent connection - An HTTP 1.1 feature in which a connection established with a web browser remains open for the servicing of additional subsequent requests coming from that browser.
priority - Request classifications determine how quickly a request is processed. Priorities are designated as high, medium, or low.
Q
queue depth - The number of
service requests waiting in WebQoS queues that are not yet forwarded to the web server.
queue processing policy - The queue processing policy affects how quickly and how many requests from different request classifications are processed. Fairshare, weighted fairshare or strict priority order are the possible queue processing policies.
R
Request Classification Rules - Determines the processing priority and access priority for requests submitted to a web site. During periods of heavy system load, low priority requests may be deferred or rejected. (This depends on your specific policies.) If a request is accepted, it is placed on a processing queue, based on its request class priority. Based on your specified policies, the request might be immediately processed, or may “sit” in the queue while other higher priority requests are processed first.
S
service - Something of value that a business is offering. A service is made up of a collection of service components (see service components), such as web sites, ftp sites, mail sites, customer databases, pricing rules, application logic modules, and so
