US Patent No. 10,143,001

MPTCP SCHEDULING


Patent No. 10,143,001
Issue Date November 27, 2018
Title Mptcp Scheduling
Inventorship Paul Schliwa-Bertling, Ljungsbro (SE)
Michael Eriksson, Sollentuna (SE)
Rashmi Purushothama, Sundbyberg (SE)
Dinand Roeland, Sollentuna (SE)
Assignee Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)

Claim of US Patent No. 10,143,001

1. A method performed in a Multipath Transmission Control Protocol (MPTCP) scheduler which is scheduling a Transmission Control Protocol (TCP) flow between a first peer and an MPTCP capable second peer, the method comprising:setting up the TCP flow comprising at least two sub-flows connecting the MPTCP capable second peer, each sub-flow being associated with an address for the MPTCP capable second peer;
receiving external information relating to at least one of the at least two sub-flows, wherein the received external information comprises information that one of the at least two sub-flows will be terminated due to a handover; and
scheduling data in the TCP flow based on the received external information, wherein the scheduling comprises choosing which sub-flow or sub-flows of the at least two sub-flows to schedule the data based on the received external information, and the scheduling comprises choosing another sub-flow without waiting for an acknowledgement when the data has been lost due to termination of the one of the at least two sub-flows due to the handover.