EFFICIENT MAINTENANCE OF A DISTRIBUTED SYSTEM MEMBERSHIP VIEW
First Claim
1. A method of maintaining a membership view of a distributed computing system comprising a multitude of current members, and wherein new members are added to the computing system, the method comprising:
- maintaining a working list of at least some of the current members in the computing system;
starting a listening list;
adding specified ones of the current members to the listening list;
when one of the new members is added to the computing system, adding said one of the new members to the listening list;
whenever one of the new members is added to listening list, adding said one of the new members to the working list; and
at a specified time, replacing the working list with the listening list, and starting a new, empty listening list.
1 Assignment
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Accused Products
Abstract
A method, system and computer program product are disclosed for maintaining a membership view of a distributed computing system comprising a multitude of members, wherein each of said members sends out a message indicating that said each of the members is available in the system. In one embodiment, the method comprises maintaining a first list of at least some of the members in the distributed system; and over a period of time, when one of the members sends out the message indicating that said one of the members is available in the distributed system, adding said one of the members to a second list. At defined times, the first list is replaced with the second list. In an embodiment, the method further comprises at said defined times, starting a new, empty second list.
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Citations
20 Claims
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1. A method of maintaining a membership view of a distributed computing system comprising a multitude of current members, and wherein new members are added to the computing system, the method comprising:
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maintaining a working list of at least some of the current members in the computing system; starting a listening list; adding specified ones of the current members to the listening list; when one of the new members is added to the computing system, adding said one of the new members to the listening list; whenever one of the new members is added to listening list, adding said one of the new members to the working list; and at a specified time, replacing the working list with the listening list, and starting a new, empty listening list. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A membership view maintenance system for maintaining a membership view of members available in a distributed computing system comprising a multitude of current members, wherein new members are added to the computing system, the membership view maintenance system comprising:
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one or more processing units configured for; maintaining a working list of at least some of the current members in the computing system; starting a listening list; adding specified ones of the current members to the listening list; when one of the new members is added to the computing system, adding said one of the new members to the listening list; whenever one of the new members is added to listening list, adding said one of the new members to the working list; and at a specified time, replacing the working list with the listening list, and starting a new, empty listening list. - View Dependent Claims (12, 13, 14, 15)
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16. An article of manufacture comprising:
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at least one computer usable device having computer readable program code logic to execute a machine instruction in a processing member for maintaining a membership view of a distributed computing system comprising a multitude of current members, wherein new members are added to the computing system, the computer readable program code logic, when executing, performing the following; maintaining a working list of at least some of the current members in the computing system; starting a listening list; adding specified ones of the current members to the listening list; when one of the new members is added to the computing system, adding said one of the new members to the listening list; whenever one of the new members is added to listening list, adding said one of the new members to the working list; and at a specified time, replacing the working list with the listening list, and starting a new, empty listening list. - View Dependent Claims (17, 18, 19, 20)
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Specification