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Business Active-Active Architecture

Meet the requirements for uninterrupted switching and response of key business, build Tier 6 disaster recovery, and ensure business continuity

Background

Due to continuous emergence of Internet security threats in recent years, security trends have changed. With rapidly-changing technology and increasingly complex technical environment, cybersecurity and data security are facing unprecedented risks, resulting in great challenges to business continuity.

With the diversification of enterprise business models and service modes, applications are more closely related, and the requirements for business continuity of business systems are more stringent. Data-level DR no longer meets business needs.

By building multi-center business-level DR, an active-active data center meets the requirements for uninterrupted switching and response of key business, build Tier 6 disaster recovery, and ensure business continuity in a shorter time.

Customer Requirements

  • Enhance protection and detection capabilities

    The Internet zone is the only entrance for the financial sector to provide access for its customers. It is required to enhance cybersecurity protection and detection capabilities;

  • Improve business continuity

    According to the metrics of DR for key business systems in the regulatory rating, business-level DR is required for key systems in the Internet zone to improve business continuity;

  • Allow dual-stack access

    Access zone network devices, security devices and DMZ server zone devices should be able to realize IPv4 and IPv6 dual-stack access;

  • Meet the requirements for business active-active switching

    Build a dual-center active-active network operation architecture in the networking zone to meet the requirements for business active-active switching.

Architecture

Business system databases are used for data replication at the database level. Read is separated from write for databases: read and write on one side and read only on the other side.
BDR system applications in the same city are deployed in an active-active mode on both sides and run active-active in your production center. The design strategy of host level switching is as follows:

At the network level, access link selection and failover are automated through DNS and routing strategies;
At the application server level, switching is automated through front-end load balancing without manual intervention;
At the database level, auto script is used to switch between hosts in a BDR center, thus reducing the switching time;

Features

Access with dual data centers

No switching is required for application access, and end users gain access through two data centers;

Application unaware

With the help of middleware at the database level, applications are unaware at the time of switching between master and standby databases;

Access using domain name

Assist in the application active-active transformation to allow access using a domain name within and between applications;

Automatic switching

A one-click switching platform is used for automatic switching.

Customer Benefits

Application-level DR in the same city by building a new generation of active-active data center;

Effective O&M management by organizing personnel, processes and tools;

Meet RTO/RPO and regulatory requirements for disaster recovery of key business systems;



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