Method and apparatus for providing quality of service guarantees using stateful monitoring of network load
First Claim
1. A method for tracking loading in a communication system including a plurality of terminals, the method comprising:
- a hub determining an aggregate load of a sub-set of the terminals, wherein the sub-set is one of a plurality of sub-sets having corresponding service levels;
the hub comparing the aggregate load with a load level designated for the service level of the one sub-set;
the hub determining a system state of loading of all the sub-sets and allocating capacity of the communication system to the one sub-set according to the system state, if the aggregate load exceeds the designated load level;
the hub determining an excess resource value based on a difference between a bandwidth allocation to the one sub-set and the aggregate load, if the aggregate load is less than the designated load level; and
the hub determining the excess resource value based on a difference between the bandwidth allocation to the one sub-set and the designated load level, if the aggregate load exceeds the designated load level,wherein the allocated capacity is based on the determined excess resource.
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Accused Products
Abstract
An approach is provided for supporting monitoring of network load. An allocation state is determined based on a bandwidth allocation value, a group load, and a guaranteed portion of capacity of a communication channel. The bandwidth allocation value specifies an actual amount of capacity of the communication channel allocated to one of a plurality of groups of terminals. The group load indicates loads of the terminals belonging to the one group. Capacity of the communication channel is assigned according to the determined allocation state. This arrangement has particular applicability to a satellite network that provides data communication services.
18 Citations
13 Claims
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1. A method for tracking loading in a communication system including a plurality of terminals, the method comprising:
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a hub determining an aggregate load of a sub-set of the terminals, wherein the sub-set is one of a plurality of sub-sets having corresponding service levels; the hub comparing the aggregate load with a load level designated for the service level of the one sub-set; the hub determining a system state of loading of all the sub-sets and allocating capacity of the communication system to the one sub-set according to the system state, if the aggregate load exceeds the designated load level; the hub determining an excess resource value based on a difference between a bandwidth allocation to the one sub-set and the aggregate load, if the aggregate load is less than the designated load level; and the hub determining the excess resource value based on a difference between the bandwidth allocation to the one sub-set and the designated load level, if the aggregate load exceeds the designated load level, wherein the allocated capacity is based on the determined excess resource. - View Dependent Claims (2, 3, 4)
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5. A computer-readable storage medium bearing instructions for tracking loading in a communication system including a plurality of terminals, the instructions executable by a processor to perform:
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determining an aggregate load of a sub-set of the terminals, wherein the sub-set is one of a plurality of sub-sets having corresponding service levels; comparing the aggregate load with a load level designated for the service level of the one sub-set; and determining a system state of loading of all the sub-sets and allocating capacity of the communication system to the one sub-set according to the system state, if the aggregate load exceeds the designated load level; determining an excess resource value based on a difference between a bandwidth allocation to the one sub-set and the aggregate load, if the aggregate load is less than the designated load level; and determining the excess resource value based on a difference between the bandwidth allocation to the one sub-set and the designated load level, if the aggregate load exceeds the designated load level, wherein the allocated capacity is based on the determined excess resource.
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6. An apparatus for tracking loading in a communication system including a plurality of terminals, the apparatus comprising:
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means for determining an aggregate load of a sub-set of the terminals, wherein the sub-set is one of a plurality of sub-sets having corresponding service levels; means for comparing the aggregate load with a load level designated for the service level of the one sub-set; and means for determining a system state of loading of all the sub-sets and for allocating capacity of the communication system to the one sub-set according to the system state, if the aggregate load exceeds the designated load level; means for determining an excess resource value based on a difference between a bandwidth allocation to the one sub-set and the aggregate load, if the aggregate load is less than the designated load level; and means for determining the excess resource value based on a difference between the bandwidth allocation to the one sub-set and the designated load level, if the aggregate load exceeds the designated load level, wherein the allocated capacity is based on the determined excess resource. - View Dependent Claims (7, 8, 9)
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10. A method for supporting monitoring of network load, the method comprising:
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a hub determining an allocation state based on a bandwidth allocation value, a group load, and a guaranteed portion of capacity of a communication channel, wherein the bandwidth allocation value specifies an actual amount of capacity of the communication channel allocated to one of a plurality of groups of terminals, the group load indicating loads of the terminals belonging to the one group; assigning capacity of the communication channel according to the determined allocation state; and the hub determining a system state based on the allocation states of the groups, the system state being one of all the groups are over-loaded, all the groups are under-loaded, or a portion of the groups are over-loaded, if all the groups are under-loaded, the capacity is assigned to preserve a balance of loads across sub-channels of the communication channel, if all the groups are over-loaded, the capacity is assigned to preserve respective partnerships of the groups, if a portion of the groups are over-loaded, the capacity is assigned such that the groups that are over-loaded are clustered onto common sub-channels of the communication channel. - View Dependent Claims (11, 12)
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13. A computer-readable storage medium bearing instructions for supporting monitoring of network load, the instructions executable by a processor to perform:
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determining an allocation state based on a bandwidth allocation value, a group load, and a guaranteed portion of capacity of a communication channel, wherein the bandwidth allocation value specifies an actual amount of capacity of the communication channel allocated to one of a plurality of groups of terminals, the group load indicating loads of the terminals belonging to the one group; assigning capacity of the communication channel according to the determined allocation state; and determining a system state based on the allocation states of the groups, the system state being one of all the groups are over-loaded, all the groups are under-loaded, or a portion of the groups are over-loaded, if all the groups are under-loaded, the capacity is assigned to preserve a balance of loads across sub-channels of the communication channel, if all the groups are over-loaded, the capacity is assigned to preserve respective partnerships of the groups, if a portion of the groups are over-loaded, the capacity is assigned such that the groups that are over-loaded are clustered onto common sub-channels of the communication channel.
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Specification