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Warming large dynamic data in redundant functional unit

A technology of dynamic data and functional units, applied in the field of information technology, to achieve the effect of shortening the period of business interruption and reducing the lock-in situation

Inactive Publication Date: 2008-01-23
NOKIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But said approach has a problem: a copy of all dynamic data must be stored in some central location
Also, some kind of locking must be used to copy the data

Method used

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  • Warming large dynamic data in redundant functional unit
  • Warming large dynamic data in redundant functional unit
  • Warming large dynamic data in redundant functional unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] Figure 1 shows a preferred embodiment of the system according to the invention. The system of Fig. 1 comprises a network unit NE comprising redundant functional units FU. Said functional unit FU comprises two identical detachable units, a working unit WO and a spare unit SP.

[0029] Within a redundant functional unit, configuration data is transferred both to said spare unit WO and to said spare unit SP. Therefore, it is an important task to make the spare unit SP an identical copy of the working unit WO during the warm-up process. The preheating process should not interfere too much with the normal operation of the work unit. In general, warm-up can be defined as updating the state data of a process series in the idle cells using similar data of the working cells. The overall preheat is the result of a set of preheat events. After warm-up, the processes in both computers are in the same state and operate similarly on the same inputs. Then, the idle unit is ready ...

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Abstract

The present invention describes a warming procedure for warming redundant functional units. The solution described in the present invention keeps the functions unit during most of the warming in a state where it is albo to serve new configuration requests. The working unit side may still be locked but for a shorter amount of time than earlier. The present invention makes it easy to warm various kinds of data areas in multiple clients without a need to organise or classify the data for warming purposes. Data is treated as bulk bytes. The present invention further describes a warming manager which controls the warming procedure. The warming procedure is based on the fact that the warming manager takes one or more snapshots of the dynamic data of the warmable objects, and transfers only differences in the dynamic data between two consecutive snapshots to the warming manager of the spare unit side.

Description

technical field [0001] The present invention relates to information technology. In particular, the invention describes a method for preheating large amounts of dynamic data in redundant functional units. Background technique [0002] There are a large number of modern information technology systems that require, for example, continuous service of various computer and telecommunications networks. These so-called critical systems also need to be tuned and updated, and it should be possible to operate without interruption, or at least possibly only a short interruption of service. The traditional technical solution is to equip working units and idle units. The working unit works normally, and the idle unit continues to provide services in the event of failure or renewal of the working unit. The free unit can replace the working unit because the free unit includes the same information as the working unit. In addition, requests arriving at the working unit also point to the f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/14G06F11/20H04Q3/545
CPCG06F11/1658G06F11/2097G06F2201/84
Inventor 泰罗·蒂塔宁菲利普·鲁阿佩伊维·塔赫扎
Owner NOKIA CORP
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