Invention Grant
- Patent Title: Optimized datapath troubleshooting
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Application No.: US16759455Application Date: 2017-10-27
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Publication No.: US11218406B2Publication Date: 2022-01-04
- Inventor: Faseela K , Vyshakh Krishnan C H
- Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
- Applicant Address: SE Stockholm
- Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
- Current Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
- Current Assignee Address: SE Stockholm
- International Application: PCT/IN2017/050497 WO 20171027
- International Announcement: WO2019/082195 WO 20190502
- Main IPC: H04L12/721
- IPC: H04L12/721 ; H04L12/46 ; H04L12/751 ; H04L12/715 ; H04L12/741

Abstract:
A method is implemented by a switch in a Software Defined Networking (SDN) network to trace packets, where the switch includes a packet processing pipeline that includes a plurality of flow tables. The method includes receiving a packet, determining, at a first flow table of the packet processing pipeline, whether the packet is a trace packet that was recirculated based on content of a first field associated with the packet, and in response to a determination that the packet is trace packet that was recirculated, setting a first field associated with the packet to indicate that tracing is disabled for the packet, setting a second field associated with the packet to indicate that tracing is enabled for the packet, determining a flow table of the packet processing pipeline from which the packet was recirculated, and directing the packet to the flow table from which the packet was recirculated.
Public/Granted literature
- US20200296030A1 Optimized Datapath Troubleshooting Public/Granted day:2020-09-17
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