US 11,902,372 B1 · Session sharing with remote direct memory access connections

Abstract

Systems and methods enable session sharing for session-based remote direct memory access (RDMA). Multiple queue pairs (QPs) can be added to a single session and/or session group where each of the QPs has a common remote. Systems and methods may query a session ID for an existing session group and then use the session ID with an add QP request to join additional QPs to an existing session. Newly added QPs may share one or more features with existing QPs of the session group, such as encryption parameters. Additionally, newly added QPs may be configured with different performance or quality of service requirements, thereby isolating performance, and permitting true scaling for high performance computing applications.

Claims13

Dependent claims

A computer-implemented method, comprising:

receiving a request to query an established remote direct memory access (RDMA) session group;
providing, responsive to the query, a session identifier (ID) for the established RDMA session group;
receiving a message to add a new queue pair (QP) to the established RDMA session group;
determining, based, at least, on the session ID, that a remote of the new QP is the same as a remote for the session group, the remote including at least one of a destination internet protocol (IP) or a destination user datagram protocol (UDP) port;
configuring one or more parameters of the new QP based, at least, on operating parameters of the RDMA session group;
and
establishing a connection for the new QP using the one or more parameters through the established RDMA session group.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application

18/314,327Filed 9 May 2023

Granted

13 Feb 2024

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

H04L 67/1097
In which an application is distributed across nodes in the network: for distributed storage of data in networks, e.g. transport arrangements for…
H04L 67/146
Session management: markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding
G06F 13/28
For access to input/output bus: using burst mode transfer, e.g. direct memory access DMA, cycle steal
G06F 15/17331
Intercommunication techniques: distributed shared memory [DSM], e.g. remote direct memory access [RDMA]

Session sharing with remote direct memory access connections

Life of this patent

Session sharing with remote direct memory access connections

Life of this patent

Abstract

Claims13