Mechanism for Provisioning Source IP for Tunneled Packets From User Plane

    公开(公告)号:US20220279056A1

    公开(公告)日:2022-09-01

    申请号:US17683326

    申请日:2022-02-28

    Abstract: Methods and computer readable medium are disclosed for providing an outer header for a packet. In one embodiment a method includes receiving an outer header creation IE type encoded and containing instructions to create an outer header, an outer header creation description field taking a form of a bitmask, each bit indicating the outer header to be created in the outgoing packet; wherein when the outer header creation packet creation IE requests creation of an IP header, a source IP address is included in an IP header of an outgoing packet; and sending the outgoing packet including a source IP in the newly added outer IP header.

    Support For Linking Of Packet Detection Rules (PDR) For Optimizing Throughput Of Combined Serving Gateway (SGW)/Packet Gateway (PGW) Architecture

    公开(公告)号:US20210068007A1

    公开(公告)日:2021-03-04

    申请号:US17008422

    申请日:2020-08-31

    Abstract: A method for linking Packet Detection Rules (PDRs) for optimizing throughput of combined Serving Gateway (SGW)/Packet Gateway (PGW) architecture is disclosed. In one embodiment the method includes, determining a SGW and a PGW are co-located on a system and when the SGW and PGW are co-located on a same system then performing a Packet Forwarding Control Protocol (PFCP) session lookup for an uplink packet at the SGW; determining which PDR to use for sending the uplink traffic; using the PDR to remove any tunneling protocol header; checking the PDR to determine if the next hop is local; when the next hop is local, then finding the PGW PDRs for this FTEID; identifying a PGW PDR matching with the current packet; performing any packet encapsulation; and after performing any optional header checksum calculations, sending the packet.

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