The Impact of 5G and Edge Computing on Software Testing

At a Glance: Two major technological advancements—5G and edge computing—are now playing a key role in accelerating digital transformation. This guide covers: What are 5G and edge computing?, Why not just use Wi-Fi?, Testing in a distributed and decentralized environment, and Managing network performance variability.

Two major technological advancements— , 5G, and edge computing—are now playing a key role in accelerating digital transformation.

These technologies are revolutionizing the way computer systems communicate, process data, and respond to users, profoundly transforming software testing practices and requirements.

In this article, we analyze how 5G and edge computing are redefining testing methods, the challenges that need to be addressed, and the strategies that should be adopted to ensure the reliability, security, and performance of applications in an ultra-connected environment.

What are 5G and Edge Computing?

5G is the fifth generation of mobile networks. It promises connection speeds up to 100 times faster than 4G, latency reduced to just a few milliseconds, and the ability to connect a massive number of devices.

It is essential for supporting the explosive growth of the Internet of Things (IoT), augmented reality, and autonomous vehicles.

Edge computing involves processing data as close to its source as possible, rather than sending it to a centralized data center.

This helps reduce latency, improve responsiveness, and ease the load on the network, particularly for mission-critical applications such as connected vehicles, medical devices, and industrial maintenance.

Why are we covering these two technologies in the same article?

5G and edge computing are complementary and even interdependent in the development of new digital infrastructure.

More specifically, 5G provides the ultra-fast and stable connectivity needed to transmit large amounts of data in real time.

Edge computing ensures that this data is processed locally with minimal latency.

Together, they make it possible to implement use cases that were not possible before:

• Autonomous vehicles capable of making decisions in real time
• Smart factories where sensors control machines without going through the cloud
• Connected medical services that analyze and respond instantly to vital signs

5G without edge computing loses some of its potential, and edge computing without 5G lacks the connectivity needed to thrive on a large scale. It is their synergy that paves the way for a new generation of innovations.

Why not just use Wi-Fi?

Wi-Fi is often seen as a viable alternative to 5G, particularly in the business world. However, in critical use cases—such as predictive maintenance, industrial automation, and autonomous vehicles— 5G offers decisive advantages over Wi-Fi:

Criterion	Wi-Fi (including Wi-Fi 6)	5G (Standalone)
Average latency	20 to 30 ms	Up to 1 ms
Reliability	Susceptible to interference	Stable and predictable connection
Quality of Service (QoS)	Best effort	Native prioritization by critical path
Number of connected devices	200–250 per access point	Up to 1 million/km²
Cover	Limited to the local environment	Wide coverage with less equipment
Security	Less segmented, more exposed	Encryption, Segmentation, and Isolation
Theoretical maximum flow rate	Approximately 9.6 Gbit/s (Wi-Fi 6)	Up to 20 Gbit/s (5G mmWave)

In summary, Wi-Fi cannot guarantee connection density, ultra-low latency, or the required resilience, and 5G’s theoretical maximum data rate is higher than that of Wi-Fi—particularly in its millimeter-wave (mmWave) bands—while offering much more flexible and secure mobile connectivity. These factors are critical in contexts where even the slightest interruption or slowdown can have serious consequences (e.g., production line shutdown, medical error, autonomous driving incident).

5G and Edge Computing—What Are the New Challenges for Software Testing?

These technologies present new challenges for QA teams:

Testing in a distributed and decentralized environment

Edge computing involves testing performance on different processing nodes, which are often located in a wide variety of network conditions.

For example, in a connected factory, sensors can send data to local analysis units, which must be tested independently to understand how they interact with the central system.

It is therefore essential to implement multi-environment and geographically distributed testing.

Managing Network Performance Variability

With 5G, performance testing becomes crucial, especially for real-time applications.

A video conferencing app or multiplayer game must continue to function without interruption, even if the device moves from an urban area with strong coverage to a suburban area with a weaker signal.

It is therefore essential to test in a variety of mobile connectivity environments.

Ensure multi-device and multi-OS compatibility

Use cases are deployed across a wide range of devices (mobile devices, connected objects, vehicles, etc.), each with its own technical constraints.

A telemedicine app, for example, must be just as reliable on an Android tablet as a dedicated medical monitor.

The tests must therefore cover a wide range of hardware and software configurations.

Securing Locally Processed Data

Data flows must be tested to prevent security breaches related to edge computing.

For example, a safety sensor in a connected warehouse can process video surveillance data locally.

It is essential to ensure that this data is neither intercepted nor corrupted during processing or transmission to the cloud. Specific security tests must be incorporated as early as possible in the development cycle.

New Testing Approaches in the 5G + Edge Era

Automating Network Testing

To simulate different latency, throughput, or network failover conditions, it is necessary to use tools capable of creating realistic scenarios.

For example, testing a location-based delivery app involves simulating a loss of 5G signal or a temporary switch to 4G while driving through a tunnel.

Run real-time performance tests

Users expect immediate responsiveness, which requires validation under conditions of very low latency.

Platforms such as cloud gaming and augmented reality (AR) require near-instantaneous responses. Performance tests must therefore accurately measure every millisecond of response time.

Validate Edge and IoT use cases

Testing the behavior of applications that process data locally involves creating environments that simulate sensors and connected devices.

For example, a home automation system must be tested to ensure it can continue to function even if the cloud connection is lost.

Build Security In from the Testing Phase Onward

Ultra-fast, widely distributed connections increase the attack surface.

It is therefore crucial to include security testing from the very beginning. A connected voice assistant, for example, must be protected against eavesdropping or malicious tampering.

Simulate high loads

Applications must be able to handle sudden spikes in traffic (HD streaming, gaming, e-commerce). When launching an online promotional campaign, an e-commerce application may experience a massive influx of users.

Load tests must anticipate these scenarios to ensure the stability of the architecture.

Ensure a seamless user experience

User experience testing should include rich scenarios such as AR, 4K video, or live interactions.

For example, an online training app that uses virtual reality must run smoothly on different types of headsets and in various network environments.

Mr Suricate An Agile Response to New Testing Standards

5G and edge computing are transforming the very foundations of digital architecture. They are paving the way for ultra-fast, smarter computing that demands ever-higher standards of quality.

Mr Suricate, a leader in no-code test automation, offers an automated testing platform designed to address these new technological challenges:

• Code-free, customizable tests designed to accommodate specific 5G/Edge use cases
• Multi-device and multi-OS coverage for testing on desktops, mobile devices, IoT devices, and connected devices
• Continuous monitoring of user journeys with real-time alerts
• Load and security testing to validate data resilience and protection
• Continuous integration with DevOps pipelines to deliver faster and more reliably
  

With its user-centered approach, Mr Suricate positions Mr Suricate as a partner that is both practical and strategic in this new era of software testing.

FAQ

What are 5G and Edge Computing?

5G is the fifth generation of mobile networks. It promises connection speeds up to 100 times faster than 4G, latency reduced to just a few milliseconds, and the ability to connect a massive number of devices. It is essential for supporting the explosive growth of the Internet of Things (IoT), augmented reality, and autonomous vehicles.

Why are we covering these two technologies in the same article?

5G and edge computing are complementary and even interdependent in the development of new digital infrastructure. More specifically, 5G provides the ultra-fast and stable connectivity needed to transmit large amounts of data in real time. Edge computing ensures that this data is processed locally with minimal latency.

Why not just use Wi-Fi?

Wi-Fi is often seen as a viable alternative to 5G, particularly in the business world.