International Business Machines Corporation

Brian Keith Smith

Michael Joseph Spreitzer

Dulce Beatriz Ponceleon

David W Kravitz

Hai Shan Wu

Diego A Masini

John B Geagan, Iii

Nataraj Nagaratnam

Brian L Pulito

Douglas Berg

Lan Vuong

Thomas D Haywood

One example method may include generating a template transaction certificate by one or more entities which verify proof of ownership of attributes incorporated into the template transaction certificate, and generating one or more operational transaction certificates by the one or more entities which verified proof of ownership of the template transaction certificate.

Template-based distributed certificate issuance in a multi-tenant environment

Data for a dynamic configuration of a set of producer components is stored in a set of component objects and a set of relationship objects. When an event is received indicating a change to the dynamic configuration, a component object and/or relationship object is updated to reflect the change. The component and/or relationship object(s) can be used to notify one or more listening components of modifications to the dynamic configuration. In this manner, listening components are only loosely coupled with producer components making any necessary adjustments to configuration changes easier to implement.

Managing dynamic configuration data for a set of components

The invention relates to memory overload management for Java virtual machines (JVMs) in Web application sever systems. Disclosed is a method and system of memory overload management for a Web application sever system, wherein the Web application sever system comprises multiple JVMs, the method comprising: determining one or more replica shards for which replacement shall be performed; determining one or more target JVMs for storing a corresponding replica shard set including at least one replica shard from the one or more replica shards; and for each target JVM, performing the following: judging whether the free memory of the target JVM is adequate for storing the corresponding replica shard set; if the judging result is negative, performing the following: causing the target JVM to suspend the creation of session until the free memory of the target JVM becomes adequate for storing the corresponding replica shard set.

Managing memory overload of java virtual machines in web application server systems

A method, system and program product for controlling memory overload for a computer system. The invention determines heap utilization of a server; determines a maximum session lifetime a configured percentile of at least one session; determines a traffic rate (comprised of an average traffic rate received from a proxy server and a variance of traffic rate received from a proxy server); and calculates a maximum traffic rate, wherein the maximum traffic rate determines the heap utilization at a maximum heap percentage.

Memory overload protection

The invention discloses a programming method and system for dynamic client/server network management using proxy servers, by allowing each active proxy server in an arrayed cluster to maintain an updated list of all other operating proxy servers in the cluster. When a client message requesting access to an application server is received by a clustered proxy server, the message may be forwarded to another proxy server (within the cluster) so that message (re)transmissions can pass through the same proxy server as the original message, allowing a proxy server to make consistent routing decisions (and other decisions) pertaining to that message.

Method and system for dynamic client/server network management using proxy servers

Managing dynamic configuration data for producer components in a computer infrastructure

An automated mechanism is provided for generating and distributing appropriate certificates for end entities in a distributed public key infrastructure environment based on trust relationships between the endpoints. Policies between trust zones are specified as an arbitrary graph, referred to as a trust graph. A password is assigned to a trust zone or an individual endpoint by the Certificate Authority. When an endpoint requests a certificate using the appropriate password, the certificate authority uses this graph to generate the appropriate certificates for the endpoint. The distribution of certificates is automated using the Certificate Management Protocol.

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Raleigh, NC, United States of America

Brian Keith Smith