Electrical computers and digital processing systems: multicomput – Network computer configuring – Reconfiguring
Reexamination Certificate
2007-02-27
2007-02-27
Winder, Patrice (Department: 2145)
Electrical computers and digital processing systems: multicomput
Network computer configuring
Reconfiguring
C709S223000
Reexamination Certificate
active
09728138
ABSTRACT:
A computer network having multiple, dissimilar network devices includes a system for implementing high-level, network policies. The high-level policies, which are generally device-independent, are translated by one or more policy servers into a set of rules that can be put into effect by specific network devices. Preferably, a network administrator selects an overall traffic template for a given domain and may assign various applications and/or users to the corresponding traffic types of the template. Location-specific policies may also be established by the network administrator. The policy server translates the high-level policies inherent in the selected traffic template and location-specific policies into a set of rules, which may include one or more access control lists, and may combine several related rules into a single transaction. Intermediate network devices, which may have one or more roles assigned to their interfaces, are configured to request traffic management information from the policy server which replies with a particular set of transactions and rules. The rules, which may correspond to the particular roles assigned to the interfaces, are then utilized by the intermediate devices to configure their particular services and traffic management mechanisms. Other rules are utilized by the intermediate devices to classify packets with a particular priority and/or service value and to treat classified packets in a particular manner so as to realize the selected high-level policies within the domain.
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Gai Silvano
McCloghrie Keith
Cesari and McKenna LLP
Cisco Technology Inc.
Winder Patrice
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