Appeal 2007-1276
Application 10/001,446
STATEMENT OF THE CASE
Appellants' invention relates to a technique for distributing security
updates to selected nodes on a network with an Intrusion Protection System
(IPS). (Specification 1:7-8.) In the words of the Appellants:
With reference to FIGURE 7, there is
illustrated a logical grouping of nodes disposed in
network 200 that facilitates multicasting of
command and security updates from management
node 85 according to an embodiment of the
invention. Web servers 201A-202T may be
logically associated by management node 85 based
upon the commonality of the services respectively
provided thereby. Accordingly, an identification
of the logical assignment grouping web servers
201A-201T may be assigned and shared among
web servers 201A-202T such that command and
security updates, such as attack signatures defining
signatures of attacks that may be directed towards
a web-content server, may be commonly addressed
and distributed only to those nodes that may be
effected thereby, i.e., the identification of the
logical assignment serves to group one or more
nodes of network 200 into logical groups - each
node in a group being commonly vulnerable to a
particular exploit. In an exemplary embodiment,
the identification is preferably implemented as an
IP multicast group ID.
(Specification 18:19-32.)
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