17851892. SYSTEMS AND METHODS FOR A DISTRIBUTED DATABASE TO TRANSITION BETWEEN CENTRALIZED TRANSACTION MANAGEMENT AND GLOBAL CLOCK TRANSACTION MANAGEMENT WITH LITTLE TO NO DOWNTIME simplified abstract (Huawei Technologies Co., Ltd.)

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SYSTEMS AND METHODS FOR A DISTRIBUTED DATABASE TO TRANSITION BETWEEN CENTRALIZED TRANSACTION MANAGEMENT AND GLOBAL CLOCK TRANSACTION MANAGEMENT WITH LITTLE TO NO DOWNTIME

Organization Name

Huawei Technologies Co., Ltd.

Inventor(s)

Huaxin Zhang of Markham (CA)

Ronen Grosman of Markham (CA)

Rongzhen Cui of Kanata (CA)

SYSTEMS AND METHODS FOR A DISTRIBUTED DATABASE TO TRANSITION BETWEEN CENTRALIZED TRANSACTION MANAGEMENT AND GLOBAL CLOCK TRANSACTION MANAGEMENT WITH LITTLE TO NO DOWNTIME - A simplified explanation of the abstract

This abstract first appeared for US patent application 17851892 titled 'SYSTEMS AND METHODS FOR A DISTRIBUTED DATABASE TO TRANSITION BETWEEN CENTRALIZED TRANSACTION MANAGEMENT AND GLOBAL CLOCK TRANSACTION MANAGEMENT WITH LITTLE TO NO DOWNTIME

Simplified Explanation

The patent application describes a system and method for an online transaction system to transition between two modes of operation. In the first mode, transactions are identified using sequential numbers obtained from a global transaction server (GTS). In the second mode, transactions are identified using timestamps based on global clock servers (GCSs).

  • The system allows for a smooth transition between the two modes of operation.
  • A controller instructs transaction nodes to provide GCS-based transaction timestamps and error bounds to the GTS during the mode transition.
  • The GTS modifies the timestamps and error bounds based on previously received data and the latest transaction number issued by the GTS.
  • The modified timestamps and error bounds are obtained at the transaction nodes.
  • Each transaction is timestamped with its respective modified timestamp, but there is a delay equal to the modified error bound before requesting another modified timestamp.

Potential applications of this technology:

  • Online payment systems
  • E-commerce platforms
  • Financial transaction systems

Problems solved by this technology:

  • Smooth transition between different modes of operation in an online transaction system
  • Efficient and accurate identification of transactions using timestamps or sequential numbers

Benefits of this technology:

  • Improved accuracy and reliability in transaction identification
  • Seamless transition between different modes of operation
  • Enhanced efficiency in online transaction systems


Original Abstract Submitted

A system and method for an online transaction system to transition from operating under a first mode (FM) to operating under a second mode (SM), and vice versa. In the FM, transaction nodes identify transactions with sequential numbers obtained from a global transaction server (GTS). In the SM, transaction nodes identify consecutive transactions with timestamps based on global clock servers (GCSs). When transitioning from one mode to the other mode, a controller instructs the transactions nodes to provide GCS-based transaction timestamps and error bounds to the GTS, which modifies the timestamps and the error bounds based on previously received timestamps and error bounds, and on the latest transaction number issued by the GTS. Modified timestamps and error bounds are obtained at the transaction nodes. Each transaction is timestamped with its respective modified timestamp. But there is a delay equal to the modified error bound before requesting another modified timestamp.