System and method associated with a service flow router
First Claim
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1. A method, comprising:
- programming a selected service flow router user plane element corresponding to a subscriber'"'"'s session at a subscriber termination function;
steering subscriber traffic to a first service element of an ordered list of a plurality of services;
receiving an IP packet from the first service element;
forwarding the IP packet to a next service element in the ordered list, wherein the first service element and the next service element provide services at a layer between L4 to L7;
sending a message to the selected service flow router user plane element, after a termination of the subscriber'"'"'s session at the subscriber termination function; and
receiving from the selected service flow router user plane element accounting records in acknowledgement, wherein the accounting records are for the plurality of services.
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Abstract
A method is provided in one example embodiment and includes configuring a network element for subscriber-specific service chaining and traffic steering, where the configuring includes programming a selected service flow router user plane element with a subscriber context corresponding to a subscriber'"'"'s session at a subscriber termination function. The subscriber context comprises instructions to steer subscriber traffic through a plurality of services in a network environment.
63 Citations
21 Claims
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1. A method, comprising:
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programming a selected service flow router user plane element corresponding to a subscriber'"'"'s session at a subscriber termination function; steering subscriber traffic to a first service element of an ordered list of a plurality of services; receiving an IP packet from the first service element; forwarding the IP packet to a next service element in the ordered list, wherein the first service element and the next service element provide services at a layer between L4 to L7; sending a message to the selected service flow router user plane element, after a termination of the subscriber'"'"'s session at the subscriber termination function; and receiving from the selected service flow router user plane element accounting records in acknowledgement, wherein the accounting records are for the plurality of services. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. Logic encoded in non-transitory media that includes code for execution and, when executed by a processor, operable to perform operations comprising:
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programming a selected service flow router user plane element corresponding to a subscriber'"'"'s session at a subscriber termination function; steering subscriber traffic to a first service element of an ordered list of a plurality of services; receiving an IP packet from the first service element; forwarding the IP packet to a next service element in the ordered list, wherein the first service element and the next service element provide services at a layer between L4 to L7; sending a message to the selected service flow router user plane element, after a termination of the subscriber'"'"'s session at the subscriber termination function; and receiving from the selected service flow router user plane element accounting records in acknowledgement, wherein the accounting records are for the plurality of services. - View Dependent Claims (18, 19)
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20. A network element, comprising:
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a memory element; and a processor operable to execute instructions such that the network element is configured to program a selected service flow router user plane element corresponding to a subscriber'"'"'s session at a subscriber termination function, steer subscriber traffic to a first service element of an ordered list of a plurality of services, receive an IP packet from the first service element, forward the IP packet to a next service element in the ordered list, wherein the first service element and the next service element provide services at a layer between L4 to L7; send a message to the selected service flow router user plane element, after a termination of the subscriber'"'"'s session at the subscriber termination function; and receive from the selected service flow router user plane element accounting records in acknowledgement, wherein the accounting records are for the plurality of services. - View Dependent Claims (21)
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Specification