System, device, and method for traffic and subscriber service differentiation using multiprotocol label switching
First Claim
1. A system for traffic and subscriber service differentiation using multiprotocol label switching (MPLS), the system comprising a plurality of MPLS devices, wherein a plurality of service tiers having different combinations of class of traffic and level of service are established and traffic is separated by at least one MPLS device based upon the plurality of service tiers, wherein a plurality of label switched path (LSP) resource classes (colors) are reserved for signaling the plurality of service tiers, and wherein each service tier is associated with a unique combination of a reserved resource class (color) and a hold priority.
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Abstract
A system, device, and method for traffic and subscriber service differentiation using multiprotocol label switching (MPLS) creates different service tiers, where each service tier is associated with a unique combination of resource class (color) and hold priority. Enhanced MPLS devices separate traffic into separate queues based upon service tier. Standard MPLS devices are typically configured to separate traffic for different service tiers under normal operating conditions. Enhanced MPLS devices signal service tier using a predetermined signaling protocol such as RSVP-TE or CR-LDP.
39 Citations
19 Claims
- 1. A system for traffic and subscriber service differentiation using multiprotocol label switching (MPLS), the system comprising a plurality of MPLS devices, wherein a plurality of service tiers having different combinations of class of traffic and level of service are established and traffic is separated by at least one MPLS device based upon the plurality of service tiers, wherein a plurality of label switched path (LSP) resource classes (colors) are reserved for signaling the plurality of service tiers, and wherein each service tier is associated with a unique combination of a reserved resource class (color) and a hold priority.
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10. A system for traffic and subscriber service differentiation using multiprotocol label switching (MPLS), the system comprising a plurality of MPLS devices, wherein a plurality of service tiers having different combinations of class of traffic and level of service are established and traffic is separated by at least one MPLS device based upon the plurality of service tiers, wherein the at least one MPLS device continues to separate traffic based upon the plurality of service tiers during a failure condition.
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11. A device for traffic and subscriber service differentiation using multiprotocol label switching (MPLS), the device comprising:
- a plurality of queues, each queue associated with a different one of a plurality of service tiers having different combinations of class of traffic and level of service;
a traffic/service differentiator operably coupled to separate traffic for the different service tiers into a corresponding queue of the plurality of queues; and
a scheduler operably coupled to provide transmission opportunities for the plurality of queues wherein each service tier is associated with a unique combination of a resource class (color) from a reserved set of resource classes (colors) and a hold priority. - View Dependent Claims (12, 13, 14, 15)
- a plurality of queues, each queue associated with a different one of a plurality of service tiers having different combinations of class of traffic and level of service;
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16. A method for traffic and subscriber service differentiation using multiprotocol label switching (MPLS), the method comprising:
- reserving a set of resource classes (colors) for a plurality of service tiers;
establishing the plurality of service tiers, wherein each service tier is associated with a unique combination of a resource class (color) from the reserved set of resource classes (colors) and a hold priority;
signaling service tier between enhanced MPLS devices through a combination of resource class (color) and hold priority using a predetermined signaling protocol;
configuring standard MPLS devices to separate traffic associated with different service tiers; and
differentiating traffic and subscriber service based upon the plurality of service tiers. - View Dependent Claims (17, 18, 19)
- reserving a set of resource classes (colors) for a plurality of service tiers;
Specification