Patent ID: 9513981
Filing Date: 2016-12-06
CPC Classification: G06F

Claim Text:
1. A computer program product for processing a request message, the computer program product comprising a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a processor to cause a system stack of the processor to perform: receiving a request message, by a first layer of a plurality of layers of the system stack; negotiating an agreement based on the request message, by the plurality of layers, the agreement indicating which layers of the plurality of layers will process particular error reply codes of an error reply code list; performing a first error check, by a non-controller layer of the plurality of layers, in accordance with the agreement; recording a first error result in a communication interface based on the first error check, by the non-controller layer of the plurality of layers; performing a second error check, by a controller layer of the plurality of layers, in accordance with the agreement; recording a second error result in the communication interface based on the second error check, by the controller layer of the plurality of layers; and outputting a reply message responsive to the request message based on the first error check and the second error check.