International Business Machines Corporation

Andrew P Bates

Fraser P Bohm

Anthony Philip Papageorgiou

Pradeep Gohil

Philip Ivor Wakelin

Catherine Mary Moxey

Martin W J Cocks

We propose a rule-based system, whereby API requests issued by an application program are screened by policy rules before being acted on by an API, where the policy rules are sensitive to the runtime environment. A policy manager is arranged to screen API requests transmitted by the application program against a set of rules to decide whether a particular API request should be allowed to proceed to the API unchanged or be trapped. Trapping an API request causes an API response to be generated according to the rule that trapped the API request, and then transmission of the generated API response to the application program. This allows dynamic modification of the application program's behavior by the customer in order to respond to changes in the server runtime environment without having to modify the application program by configuring one or more policy rules to influence API request handling.

Managing application programming interface requests

According to one exemplary embodiment, a method for dynamically timing out a first process within a plurality of suspended processes is provided. The method may include determining that a second process is attempting to suspend. The method may also include determining if a number of suspended processes plus one is less than a threshold value. The method may then include selecting the first process within the plurality of suspended processes to prematurely time out based on determining that the number of suspended processes plus one is not less than the threshold value. The method may further include timing out the selected first process. The method may also include suspending the second process.

Dynamic timeout period adjustment of service requests

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Winchester, United Kingdom

Andrew P Bates