Setup and Install
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I
IP precedence - Refers to the
precedence field in the ToS byte
(see ToS byte) in IP. See RFC 1812.
In WebQoS, the low-order 2 bits
are used.
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