METHOD AND APPARATUS FOR UPDATING MANNER OF PROCESSING PACKET OF SERVICE FLOW
First Claim
1. A method comprising:
- obtaining, by a control node, a flow identifier and indication information from a service function (SF) node of a first service function chain (SFC), wherein the indication information indicates a manner of processing a second packet of a service flow, wherein the flow identifier identifies the service flow, and wherein the second packet reaches a processing node later than a first packet;
obtaining, by the control node according to the indication information, the manner of processing the second packet, wherein the manner of processing the second packet does not comprise forwarding the second packet along the first SFC; and
sending, by the control node to the processing node, the flow identifier and the manner of processing the second packet.
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Abstract
This application discloses a method and an apparatus for updating a manner of processing a packet of a service flow. The method includes a first packet of the service flow is forwarded by using a first service function chain (SFC). A control node obtains a flow identifier and indication information from a service function (SF) node of the first SFC, where the indication information is used to indicate a manner of processing a second packet of the service flow, the flow identifier is used to identify the service flow. The control node obtains the manner of processing the second packet according to the indication information, and sends the flow identifier and the manner of processing the second packet to the processing node, where the manner of processing the second packet does not include forwarding the second packet along the first SFC.
20 Citations
20 Claims
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1. A method comprising:
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obtaining, by a control node, a flow identifier and indication information from a service function (SF) node of a first service function chain (SFC), wherein the indication information indicates a manner of processing a second packet of a service flow, wherein the flow identifier identifies the service flow, and wherein the second packet reaches a processing node later than a first packet; obtaining, by the control node according to the indication information, the manner of processing the second packet, wherein the manner of processing the second packet does not comprise forwarding the second packet along the first SFC; and sending, by the control node to the processing node, the flow identifier and the manner of processing the second packet. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method comprising:
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receiving, by a service function (SF) node on a first service function chain (SFC), a first packet sent by a service forwarding entity (SFE), wherein the SFE is connected to the SF node, the first packet comprises a flow identifier, and the flow identifier identifies a service flow; processing, by the SF node, the first packet to obtain indication information, wherein the indication information indicates a manner of processing a second packet of the service flow, wherein the manner of processing the second packet of the service flow does not comprise forwarding the second packet along the first SFC, and wherein the second packet reaches a processing node later than the first packet; and sending, by the SF node to a control node, the flow identifier and the indication information. - View Dependent Claims (9, 10)
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11. A control node comprising:
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a processor; and a non-transitory computer readable storage medium storing a program for execution by the processor, the program including instructions to; obtain a flow identifier and indication information from a service function (SF) node of a first service function chain (SFC), wherein the flow identifier identifies a service flow, wherein the indication information is used to indicate a manner of processing a second packet of the service flow, and wherein the second packet reaches a processing node later than a first packet; obtain, according to the indication information, the manner of processing the second packet, wherein the manner of processing the second packet does not comprise forwarding the second packet along the first SFC; and send the flow identifier and the manner of processing the second packet to the processing node. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A service function (SF) node comprising:
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a processor; and a non-transitory computer readable storage medium storing a program for execution by the processor, the program including instructions to; receive a first packet sent by a service forwarding entity (SFE), wherein the SFE is connected to the SF node, the first packet comprises a flow identifier, and the flow identifier identifies a service flow; process the first packet to obtain indication information, wherein the indication information indicates a manner of processing a second packet of the service flow, wherein the manner of processing the second packet of the service flow does not comprise forwarding the second packet along a first service function chain (SFC), and wherein the second packet reaches a processing node later than the first packet; and send the flow identifier and the indication information to a control node. - View Dependent Claims (19, 20)
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Specification