SCALABLE Releases New Version of EXata Modeling and Simulation Tools

New and Enhanced Features Improve Performance of our

Network Digital Twin Ecosystem


Culver City, CA (September 22, 2021) SCALABLE Network Technologies, Inc. (SCALABLE), a leader in network digital twin solutions, announced today the availability of EXata 7.3.1, featuring high-fidelity, intelligent, user-friendly network digital twin solutions. The latest versions of SCALABLE’s advanced network modeling and simulation tools offer enhancements to existing libraries, additional cyber modeling capabilities, and a new 5G scenario wizard. Updates to our digital twin offerings provide improved user performance, productivity, and usability in support of the goals of our global customers.

We continue to work with our product partners to enhance our integrated solutions. This release includes extensive support for better integration of the Systems Tool Kit (STK) by AGI, an Ansys Company.

“As new technologies emerge, SCALABLE continues to develop innovative network digital twin technology to support and meet the ever-evolving needs of our customers,” stated Jeff Weaver, Ph. D., Vice President of Engineering.

The following Model Libraries have been added and/or enhanced:

 5G Model Library

  • New 5G scenario wizard with preconfigured 5G and LTE devices
  • Optimized performance mode to the Signal-to-interference-plus-noise ratio (SINR) calculations
  • Preconfigured 5G traffic type
    • Internet of Things (IoT)
    • Augmented Reality/Virtual Reality (AR-VR) Traffic Generators

Cyber Model Library

  • Remote Access Attack model for mapped Operational Host Machines
  • Phishing attacks to support installation of bots via emails
  • Improved Adaptive Attack Scripts log table and added ability to send commands to bots

Updates to Propagation Model Libraries

Multiple-Zone Pathloss Model supports partitioning of the terrain area into multiple zones and configuring each zone independently

Vegetation Attenuation Model represents the effects of foliage on the signal strength at the receiver

Underwater Propagation Model

  • PDP Pathloss model for ray traced calculations to account for pathloss, signal delay, phase shift (PDP), and Doppler spread due to surface waves

Urban Terrain Model

  • Optimized the Shape file import
  • Improved the precision of positional data

OSPF Model

  • Added support for dynamic cost calculation for links
  • Metric collection framework

The following capabilities have been added or enhanced to support our network digital twin ecosystem:

Experiment Designer

  • Collapsible list view and side bar navigation
  • Combined list and details views now in single screen
  • GUI now supports newer 3Ds formats
  • Ability to download KPPs as PDF reports
  • Ability to launch EXata GUI from Experiment Designer
  • Ability to manage terrain models from Library Management
  • Ability to import and export experiments

Scenario Player

  • New CPU affinity modes
  • Launch Adaptive Attack Scripts from the Adaptive Attack Manager

Statistics Database

  • Enhanced PHY Connectivity table metrics
  • Dynamically enable or disable data collection
  • SQL enhancements to improve performance of database operations

The following enhancements have been added to the STK Interface:

  • Upgraded STK Interface to support version 12.2
  • Ability to calculate antenna noise temperature
  • Higher-fidelity signal quality calculation
  • New Statistics Database tables to record the information provided by STK to EXata

 Additional New Features and Enhancements to the Kernel:

Automatic Partition Count Determination

  • Determines a “good” number of partitions to use
  • Performs multiple trial runs of the scenario

 Topology-based Automatic Partitioning

  • Reduces and balance partitions

Processor (CPU) Selection

  • Automatic and manual CPU Selection to threads by means of configuration file

Scalability Instrumentation

  • Generates and displays periodic instrumentation metrics
  • Measures, improves and verifies performance by identifying imbalances

Layer 2 Hardware-In-The LOOP (HITL)

  • External devices can be mapped at Layer 2 with EXata nodes running the 802.3 MAC protocol


EXata 7.3.1 network design and optimization tools are available now. They are supported on Microsoft Windows 10, RHEL/CentOS 8, Ubuntu 16, and Ubuntu 18.04 LTS. The upgrades are available free of charge to all customers covered under a current software maintenance agreement via their online download page.

About SCALABLE Network Technologies

 Based in Culver City, California, SCALABLE provides network digital twin solutions to support network design, modeling and analysis, cyber assessment and training, and engineering support services to commercial enterprises, government and defense agencies, research organizations, and educational institutions worldwide.

SCALABLE solutions integrate simulated virtual network models with physical hardware and applications, allowing users to reduce the time, cost, and risks of developing, testing, and deploying large, sophisticated wired and wireless networks and new communications equipment and train personnel on cyber defense.

More information on the company is available at