Distributing policy information in a communication network
First Claim
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1. A method comprising:
- identifying a target in a communication network, said communication network is represented by a policy tree, said target uniquely identified as a target node in the policy tree;
selecting based on the identification of the target node, a subset of policy information, from a superset of policy information, relevant to the target node from the policy tree having a hierarchical data structure; and
sending only the selected subset of policy information to the target for implementing the selected policy information at the target.
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Abstract
Selecting a subset of a hierarchical data structure based on a correspondence of the subset with a target in a communication network, and sending the subset of the hierarchical data structure to the target.
266 Citations
27 Claims
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1. A method comprising:
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identifying a target in a communication network, said communication network is represented by a policy tree, said target uniquely identified as a target node in the policy tree;
selecting based on the identification of the target node, a subset of policy information, from a superset of policy information, relevant to the target node from the policy tree having a hierarchical data structure; and
sending only the selected subset of policy information to the target for implementing the selected policy information at the target. - View Dependent Claims (2)
identifying a first subset to be modified from the superset of policy information;
determining a target node having a second subset corresponding to the first subset; and
modifying the second subset in the target node based on the modification of the first subset.
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3. A method of distributing policy information within a communication network, the method comprising:
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identifying a target in a communication network, said communication network is represented by a policy tree, said target uniquely identified as a target node in the policy tree;
selecting a subset of policy information, from a superset of policy information, from the policy tree of the communication network relevant to the target node; and
downloading the subset of the policy tree to the target for implementing the selected policy information at the target. - View Dependent Claims (4, 5)
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6. A method of distributing policy information in a communication network, the method comprising:
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matching a first subset of policy information to be modified to policy information relevant to a node of a policy tree, the first subset being a subset of the policy tree having a hierarchical data structure, said first subset of policy information being obtained from a superset of policy information;
identifying a target corresponding to the node and containing a second subset of the policy tree, said second subset corresponding to the first subset that is unmodified; and
notifying the node containing the second subset about the first subset to be modified. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A communication network system comprising a policy server configured to:
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identify a target in a communication network, said communication network is represented by a policy tree, said target uniquely identified as a node in the policy tree;
select a subset of policy information from the policy tree of the communication network relevant to the target, said first subset of policy information being obtained from a superset of policy information; and
download to the target only the subset of the policy information to implement the subset at the target. - View Dependent Claims (17, 18)
receive information concerning the target before selecting the subset, wherein the information is used to select the subset relevant to the target.
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18. The system of claim 17, in which the policy server is further configured to:
determine a relative position of the subset of the policy tree within the policy tree after selecting the subset of the policy tree relevant to the target.
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19. A communication network system comprising a policy server configured to:
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match a first subset of policy information to be modified to policy information relevant to a node of a policy tree, said first subset being a subset of the policy tree having a hierarchical data structure, said first subset of policy information being obtained from a superset of policy information;
identify a target corresponding to the node and containing a second subset of the policy tree, said second subset corresponding to the first subset that is unmodified; and
notify the target containing the second subset about the first subset to be modified. - View Dependent Claims (20)
modify the first subset of the policy tree within the policy tree and the second subset of the target.
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21. A communication network system comprising:
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a parent server containing a superset of a policy database having a hierarchical data structure;
secondary servers each containing a respective subset of the policy database; and
targets each containing a respective portion of the subset of the policy database, wherein the subsets of the policy database are replicated to the secondary servers and the portions of the subsets are replicated to the targets based on information describing the targets. - View Dependent Claims (22, 23)
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24. An article comprising a computer-readable medium that stores computer-executable instructions for causing a computer system to:
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identify a target in a communication network that is represented by a policy tree, said target uniquely identified as a node in the policy tree;
select a subset of policy information from the policy tree of the network relevant to the target, said subset of policy information being obtained from a superset of policy information; and
download to the target only the subset of the policy information to implement the subset at the target. - View Dependent Claims (25)
receive information concerning the target before selecting the first subset, wherein the information is used to select the first subset relevant to the target.
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26. An article comprising a computer-readable medium that stores computer-executable instructions for causing a computer system to:
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match a first subset of policy information to policy information relevant to a node of a policy tree, said first subset being a subset of the policy tree having a hierarchical data structure, said first subset of policy information being obtained from a superset of policy information;
identify a target corresponding to the node and containing a second subset of the policy tree, said second subset corresponding to the first subset that is unmodified; and
notify the target containing the second subset about the first subset to be modified. - View Dependent Claims (27)
modify the first subset of the policy tree within the policy tree and the second subset of the target.
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Specification