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Disaggregated star platform management bus architecture system

Inactive Publication Date: 2006-06-01
OVERGAARD MARK D
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0009] A star topology platform management bus architecture and system that provides disaggregation of the platform control element portion and the routing element portion of a central management controller provides for physical design efficiency as well as other advantages.

Problems solved by technology

Although this approach provides some fault tolerance and other benefits, the star topology has a distinct disadvantage of requiring the routing of many wires, which comprise the multiple logical buses, from the board upon which the central management controller is located.
This disadvantage can be especially important in the context of standardized modular platforms, where most of the pins available on a board may be allocated to specific purposes and insufficient in number to handle that many signals.

Method used

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  • Disaggregated star platform management bus architecture system
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  • Disaggregated star platform management bus architecture system

Examples

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Embodiment Construction

[0022]FIG. 1 illustrates an example of a conventional IPMB architecture 120. IPMB (current version 1.0, revision 1.0, Nov. 15, 1999, published by Intel Corporation, Hewlett-Packard Corporation, NEC Corporation, and Dell Computer Corporation) is the main means for in-system platform management information exchange among management controllers in the IPMI architecture. The current versions of the IPMI specification are 1) version 1.5, revision 1.1, Feb. 20, 2002 and 2) version 2.0, revision 1.0, Feb. 12, 2004; both are published by Intel Corporation, Hewlett-Packard Corporation, NEC Corporation, and Dell Computer Corporation. In this example, a central management controller (central MC) 121 is communicatively linked to a plurality of satellite management controllers (satellite MCs) 123, 124, 125 via a single intelligent platform management bus (IPMB) 122. Although three satellite control elements are illustrated here, it is understood that any number of such satellite management contr...

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Abstract

A star topology platform management bus architecture and system that provides disaggregation of the platform control element portion and the routing element portion of a central management controller, which provides for physical design efficiency as well as other advantages.

Description

BACKGROUND [0001] 1. Field of the Invention [0002] The present invention relates generally to the field of platform management systems, and more specifically to a disaggregated star platform management bus architecture. [0003] 2. Description of Related Art [0004] Computers and other electronic systems often include features with the ability to monitor and control the health and operation of the system hardware. These features may be referred to as platform management, system management, hardware management, etc. Platform management features may include the monitoring and control of temperatures, voltages, fans, power supplies, and other features. Platform management may also include the identification of failed hardware components. [0005] One widely used framework for platform management is the Intelligent Platform Management Interface (IPMI), which specifies key agents involved as well as command sets and data formats for sensors, event logs and sensor data record access, as well a...

Claims

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Application Information

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IPC IPC(8): H04L12/56
CPCH04L41/24
Inventor OVERGAARD, MARK D.
Owner OVERGAARD MARK D