US 12,238,110 B2
Access management for cancelled requests in a distributed environment
Paul Teague, Carryduff (IE); and Lee James Kelly, Tyrone (IE)
Assigned to Visa International Service Association, San Francisco, CA (US)
Appl. No. 17/781,694
Filed by VISA INTERNATIONAL SERVICE ASSOCIATION, San Francisco, CA (US)
PCT Filed Dec. 18, 2019, PCT No. PCT/US2019/067249
§ 371(c)(1), (2) Date Jun. 1, 2022,
PCT Pub. No. WO2021/126193, PCT Pub. Date Jun. 24, 2021.
Prior Publication US 2023/0028823 A1, Jan. 26, 2023
Int. Cl. H04L 9/40 (2022.01)
CPC H04L 63/102 (2013.01) [H04L 63/0876 (2013.01); H04L 63/108 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method for managing access to a protected resource using network messages, the method comprising performing, by a processor computer:
receiving an authorization request to access the protected resource, the authorization request generated by an access device;
assigning a request identifier to the authorization request;
sending the authorization request to a transport computer for authorization by an authorization computer;
after sending the authorization request, receiving cancellation data, wherein the processor computer receives the cancellation data before the access device receives an authorization response message for accessing the protected resource;
storing the cancellation data in association with the request identifier;
in response to receiving the cancellation data, sending a reversal message to the transport computer;
after sending the reversal message, generating a cancellation message using the cancellation data; and
sending the cancellation message to the transport computer for reconciling the authorization request and the reversal message.