How to Ensure Enterprise Network Resiliency

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Validate Enterprise Network Resiliency

Enterprises must keep critical services running with zero downtime while continuously deploying software updates, patches, configurations, and policies from many third-party vendors. Financial institutions face added pressure from regulations such as DORA, which requires operational resilience testing and rapid incident reporting. Network teams must confirm that each change will withstand security threats, traffic surges, link impairments, and failure events, and that the network recovers quickly when failures occur. The workflow begins by identifying critical application paths and dependencies across data centers, branches, hosted sites, and multiple clouds. Engineers establish baseline behavior in the lab, apply proposed changes, and run functional and nonfunctional tests covering security efficacy, performance, quality of experience, chaos, and disaster recovery under realistic traffic.

Current methods fall short. Testing happens in siloed labs, with redundant resources and overlapping effort across teams. Infrequent, waterfall-style testing means dependent changes may already be in place by the time an update is validated. Manually created test cases and long cycles take months, and limited staff and lab capacity leave scenarios untested. Without CI/CD integration, changes cannot be validated automatically, and coverage often stops at functional checks. Enterprises can no longer rely on vendor testing alone. Teams need federated lab access, realistic traffic emulation, automated test setup and execution, and reporting that routes results to the responsible teams.

Enterprise Network Resiliency Testing Solution

Keysight's automated operational resilience test framework enables continuous testing from lab to live. Velocity Core federates labs so teams can use all resources remotely and orchestrates testbeds through APIs that instantiate the topology each test requires. Keysight test automation draws on extensive test libraries, including operational resilience tests, and runs functional and nonfunctional tests on any infrastructure. Traffic emulation and digital twins reproduce real-world conditions without building the full production network in the lab. Reporting and analytics deliver detailed results to responsible teams, and continuous integration and deployment APIs connect testing to the CI/CD pipeline. At a top-ten bank, automation cut test setup time from four months to eight hours, reduced test suite execution from months to days, and lowered annual lab spending by 95%.

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