US 2009/0177775 A1Published application

Interdependent Capacity Levels of Resources in a Distributed Computing System

AssigneeCassatt Corporation

InventorsSanjay Radia, Robert A. Gingell, JR., Jerry R. Jackson, Michael S. Walker

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Abstract

In general, this disclosure describes techniques of managing resources in a service-oriented distributed computing system. As described in this disclosure, a control node automatically manages the system such that the system has sufficient capacity to satisfy an agreement to provide a given level of a service. In order to automatically manage the system, the control node evaluates the current capacity levels of resources in the system. The current capacity levels are indicative the capacity of resources to perform certain acts. The capacity of the resources to perform these acts may be indicative of whether the system is able to provide the given level of the service. Because resources may be deployed in chains, the capacities of resources to perform the certain acts may be defined to be dependent on the capacities of other resources to perform other acts.

Claims21

Dependent claims

A distributed computing system comprising:

a resource chain that includes resources that collaborate to provide a first service;
a control node that autonomically controls the distributed computing system;
and
a network that facilitates communication between the control node and the resource chain;
wherein the resources in the first resource chain include:
a first resource that is capable of performing a first act, and
a second resource that is capable of performing a second act;
and
wherein the control node comprises:
an interface that receives an asset declaration that includes an expression that specifies that a capacity level of the first resource is based, at least in part, on a capacity level of the second resource to perform the second act;
a first asset object that calculates the capacity level of the first resource in accordance with the expression;
and
a second asset object that calculates the capacity level of the second resource to perform the second act;
wherein the control node uses the capacity level of the first resource to make a determination whether to assemble a second resource chain;
and
wherein the control node dynamically assembles the second resource chain when the control node makes the determination to assemble the second resource chain.

13 more elements

A method comprising:

operating a first resource chain in a distributed computing system that includes resources that collaborate to provide a first service;
operating a control node that automatically controls the distributed computing system, wherein a network facilitates communication between the control node and the resource chain;
wherein operating the first resource chain comprises:
operating a first resource that is capable of performing a first act, and
operating a second resource that is capable of performing a second act;
and
wherein operating the control node comprises:
receiving an asset declaration that includes an expression that specifies that a capacity level of the first resource is based, at least in part, on a capacity level of the second resource to perform the second act;
calculating the capacity level of the second resource to perform the second act;
calculating the capacity level of the first resource in accordance with the expression;
using the capacity level of the first resource to make a determination whether to assemble a second resource chain;
and
dynamically assembling the second resource chain when the determination is made to assemble the second resource chain.

10 more elements

A computer-readable medium comprising instructions that, when executed by one or more processors of a control node of a distributed computing system, cause the one or more processors to:

initiate operation of a first resource chain in a distributed computing system that includes resources that collaborate to provide a first service;
automatically control the distributed computing system, wherein a network facilitates communication between the control node and the resource chain;
wherein the instructions cause the one or more processors to initiate operation of the first resource chain at least in part by causing the one or more processors to:
initiate operation of a first resource that is capable of performing a first act, and
initiate operation of a second resource that is capable of performing a second act;
and
wherein the instructions cause the one or more processors to automatically control the distributed computing system in part by causing the one or more processors to:
receive an asset declaration that includes an expression that specifies that a capacity level of the first resource is based, at least in part, on a capacity level of the second resource to perform the second act;
calculate the capacity level of the second resource to perform the second act;
calculate the capacity level of the first resource in accordance with the expression;
use the capacity level of the first resource to make a determination whether to assemble a second resource chain;
and
dynamically assemble the second resource chain when the determination is made to assemble the second resource chain.

10 more elements

Dependencies are inferred from the claim text.