New licenses for BRAS. Free QoE option. VAS Cloud

July 22, 2019
Quality of Experience
New licenses for BRAS. Free QoE option. VAS Cloud
Let us delve into the Stingray-platform and the QoE statistics module options and consider new licenses and pricing approaches.

Let us delve into the DPI-platform and the QoE statistics module options and consider new licenses and pricing approaches.

The key feature of the DPI solution is independence from the server platform.

Thus, the choice of the solution would finally depend on the two following components.

  1. Estimate the in+out traffic amount and its future growth.
    • It is essential for determining the platform performance ranging from 6Gbit/s to 100 Gbit/s. Examples and requirements for the platforms are listed in the documentation. We recommend to keep in mind the possibility of traffic growth in the future. For example, choosing 40 Gbit/s with traffic at 20 Gbit/s.
    • DPI Platform license also depends on bandwidth.
      Using inline modeDPI-6 corresponds to 3 Gbit/s of incoming and 3 Gbit/s of outgoing traffic
      DPI-100 corresponds to 50 Gbit/s of incoming и 50 Gbit/s of outgoing traffic
      Using port mirroring mode
      DPI-6 corresponds to 6 Gbit/s of incoming total traffic
      DPI-100 corresponds to 100 Gbit/s of incoming total traffic
  2. Choose the DPI option depending on the task:
Option Entry FLTR BRAS Base Complete
Bypass Support Yes Yes Yes Yes Yes
Filtering by the blacklisted Internet sites Yes Yes Optional Yes Yes
Statistics gathering and its subsequent analysis on protocols and autonomous system (AS) Yes Yes Yes Yes
Traffic prioritization depending on a protocol Optional Yes Yes
Optimization of the external access channels usage Optional Yes Yes
Subscriber notification and marketing campaigns Yes Yes Yes
Whitelist and Captive Portal support Yes Yes
Channel allocation between subscribers for IPv4 and IPV6 Yes Yes
BRAS L2 (PPPoE, Q-in-Q, VLAN), BRAS L3 (IPoE), support for the RADIUS with Change of Authorization (CoA) feature enabled Yes Yes
BRAS L2 (PPPoE, DHCP), Dual Stack IPv4/IPv6 Optional Yes
CGNAT – Network Address Translation and NetFlow export Optional Yes
mini-Firewall for blocking on certain ports Optional Yes
Ads blocking and replacing it Optional Yes
Protection against DOS and DDOS attacks Optional Yes

Licenses advantages

Licensing, independent from the equipment, allows the operators to protect their investments and plan the increase in solution budget in the future. Actions that can be carried out with a license through technical support: upgrade, merge, split, transfer.

For the convenience of obtaining a license and working with it, a license server in the VAS Cloud is implemented, which offers the operator the following advantages:

  • Getting a backup license;
  • Getting a test version and prolongate it;
  • Downloading the virtual version of Stingray Service Gateway;
  • Adding VAS (additional services).

BRAS license

BNG Implementation

The new version of BNG/BRAS has its special aspects:

  1. Includes basic options for BRAS L3 IPoE implementation
    • Bypass mode support;
    • Statistics gathering and its subsequent analysis depending on protocols and AS;
    • Subscribers notification and marketing campaigns;
    • Whitelist and Captive Portal;
    • Access channel allocation between IPv4 and IPv6 subscribers;
    • BRAS L3 (IPoE), Dual Stack IPv4/IPv6, Radius with CoA function support
  2. Supports expanding the functionality by adding additional options:
    • Filtering by the blacklisted Internet sites;
    • BRAS L2 (PPPoE, DHCP), Dual Stack IPv4/IPv6;
    • CG-NAT — Network Address Translation and NetFlow unload;
    • mini-Firewall for blocking on certain ports;
    • Ads blocking and replacing;
    • Protection against DOS and DDOS attacks;
    • Traffic prioritization depending on a protocol;
    • Optimization of the external access channels usage

The price is lower than the Base and Complete versions, which gives an optimal start for any budget and size of the operator’s network.

QoE module in Base option – for free

Let us turn to the QoE module, which operates on statistics exported from the DPI Platform. It consists of three main elements:

  1. Flow collector – accepts NetFlow with support of re-exporting to an external collector.
  2. QoE Store is a ClickHouse database where raw logs are converted to the aggregated ones and then accumulated for a specified period of time.
  3. GUI is the interface responsible for visualizing and reporting, creating triggers and events using custom filters. It supports the creation of authorization roles and the Stingray Service Gateway and QoE Store database configuration.

DPI with QoE and GUI


The core defined metrics are:

  • Round-trip-time (RTT);
  • Indicators of the number of retries;
  • The number of sessions, devices, agents;
  • IP addresses per subscriber;
  • Traffic distribution by application and transport protocols;
  • Traffic distribution by autonomous system (AS) numbers;
  • Clickstream for each subscriber.


Product licensing depends on bandwidth of DPI platform.

  • DPI-6 QoE option is needed for DPI-6 version.
  • DPI-100 QoE option is needed for DPI-100 version.

QoE module is available in two options: Base and Standard.

QoE packaging Base Standard
NetFlow statistics collector with re-export support Yes Yes
API support for integration with external systems Yes Yes
Full NetFlow and ClickStream statistics visualization Yes Yes
Built-in reports of Full NetFlow-based TOP: high RTT, by traffic volume, by number of re-requests, by application protocols, by AS, by subscribers AS, by access switches and aggregation Yes Yes
Built-in ClickStream-based TOP reports: URLs, hosts, subscribers, devices, IP resources Yes Yes
Exporting reports using *.xlsx, .*csv, *.pdf and *.png formats Yes Yes
Reports on web resources categories, updating the list of categories Yes
Full NetFlow and ClickStream reports with detailed information per user Yes
Setting up triggers and actions on events, sending reports by email Yes
DDoS and BotNet detection Yes

Users can install the Base version for free and familiarize themselves with the basic features. There is a trial period for exploring the Standard version.

Use Cases for QoE module

Sales and Marketing

Quality of Experience module helps:

  • to sale new services, Wi-Fi equipment, billing plans;
  • to find ways to increase clients’ loyalty, resist and analyse the reasons of customer churn;
  • to manage targeted advertising using subscribers profiles.

Technical and Support departments

Quality of Experience module provides:

  • Deep troubleshooting and network monitoring using Round Trip Time and TCP retransmitting;
  • Search for problems with client equipment, Wi-Fi routers, access and aggregation switches;
  • Determination of optimal peering and connectivity points via Uplink.

VAS cloud – ready-to-use service for operators

One of our latest innovations is the implementation of a turnkey-ready service for DPI monetization.

Embedding banners for web resources in automatic mode

The service is built using VAS Cloud, GUI and advertising options in DPI platform.

The principle of operation: java scripts for HTTP resources and a set of banners that can be used for this site are generated in the VAS Cloud. Once the service is activated in the automatic mode, this data is imported to the Stingray Service Gateway and is applied only to those subscribers whose advertising service has been activated. Banner display and transition are paid by the advertising aggregator; the operator receives their interest via VAS Cloud personal account.

These services will be available by subscription through the operator’s personal account.

ads aggregator

Web resources categories for black and white lists

The list of categories can be used to form parental control services for the operator’s end users or to filter traffic for schools in accordance with legal requirements.

In the following articles we will provide a more detailed VAS Cloud services description and consider their practical application.

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