Blog

Neutralizing a Botnet in an Operator Network

Infected subscriber devices are not just a personal problem. Inside an operator network, that traffic begins competing for shared resources. NAT pools are the first to run out. Complaints about unstable connections and service failures follow. A single infected segment can drag dozens of "clean" users down with it.

How to Build a Mobile Operator in 2026

Business. "Why build one at all? Where’s the business? There are already plenty of operators, every subscriber has 10 SIM cards, and connectivity is cheap" — this is usually the reaction such an idea gets in 2026. Yet new operators keep emerging, and answering this question is exactly where you should start.

3GPP Compliance in Action: How VAS Experts' PGW Restored 4G Roaming in Australia

A modern MVNO operator specializing in eSIM sales for tourists operates in a highly competitive market. Its main asset is seamless internet connectivity for subscribers anywhere in the world. Instant profile activation, a stable signal, and predictable speed are the keys to the loyalty of thousands of travelers.

MNO and MVNO: How the mobile communications market has evolved

The modern mobile communications market has been shaped over many years, during which the structure of the industry has evolved and new operator models have emerged. In this article, we take a look at how the mobile sector has developed over the past 10–15 years.

UDP Flood: Why Terabit Attacks Have Become the Norm and How to Prepare

UDP Flood attacks are among the most powerful DDoS attacks in terms of both packet frequency and data volume. This type of attack is primarily aimed at overloading the channel with “junk” packets, which damages the operator's equipment and degrades the quality of subscribers' connections.

100G cards support for SSG-240

Summing up the results of 2025

Dear clients and partners, 2025 became another important milestone in the development of VAS Experts’ products and services. In this article, we have gathered the key updates and achievements of the year, as well as our plans for 2026.

Stingray Service Gateway version 14.0 — update overview

The new version of Stingray 14.0 is now available! Here is a brief overview of the most important updates.

Network traffic classification: what it is, how it works, and what classes there are

Modern networks handle many types of traffic simultaneously: video, voice, online games, corporate services, and background downloads. Each of these has its own requirements for connection quality. For example, stable bandwidth is important for streaming video, while minimal latency and jitter are important for voice services. Background file transfers, on the other hand, can be interrupted without serious damage. If all traffic is processed equally, critical services will quickly begin to suffer from overload.

VAS Experts enters the Vietnamese market with solutions for telecom operators

VAS Experts, a developer of traffic monitoring and analysis software, has entered into a partnership agreement with ANSV. ANSV will now become the exclusive distributor and offer the full range of VAS Experts products to telecom operators in Vietnam.