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Software Defined Networking (SDN) and Network Function Visualization (NFV) for 5G

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By Andrew Aroh

5G will lead to a paradigm shift towards a landscape dominated by wireless connectivity. Major architectural changes are already taking place to accompany this shift:

  • Network Function Virtualization (NFV) will be pivotal
  • Software Defined Networking (SDN) both at the core and edge of the network will be deployed.
  • The architectural changes will provide:
  • Increased computing power
  • Scalability
  • Reduced operational costs
  • Creative business models to enable differentiation
  • 3GPP has defined a service-based architecture where flexibility and dynamic adjustments are the key drivers to meet performance and cost requirements. This architecture defines network functions which can be triggered by other services leveraging Virtualization and Network Slicing.
  • As a reference, Newtec, early in 2019, announced that it would be collaborating with Wind River to utilize its Titanium cloud Virtualization Platform to develop a Newtec Dialog.
  • Wind River’s complete Network Functions Virtualization (NFV) Software Platform Infrastructure will help Newtec leapfrog these 5G requirements.
  • The Titanium Cloud Platform delivers the features needed to successfully build and deploys a virtualized network running multiple Virtual Machines. It also promises lower-cost, highly flexible, and scalable infrastructure and will provide customers with the ability to get better service access anywhere in the world.
  • With SND and NFV Customers and service providers will be able to scale their services to quickly address changing requirements.
  • Introduction To SND:
  • SDN is a Radio Access Network for 5G wireless standards
  • Software Defined Networking is based on Software Radio (also called Software Defined Radio – SDR)
  • SDR is a device in which the supported air interface can be changed through a software only upgrade.
  • SRD techniques has been used in a variety of military and high-end commercial radio devices to date, especially in spectrum monitoring.
  • A conventional SDR design exploits specialized processors such as digital signal processors (DSPs) or Field Programmable Gate Arrays (FPGAs) on a specialized hardware board with embedded codes specific to the application. This technology might be termed “FIRMWARE RADIO” to reflect its lack of portability and dependence on specific hardware devices.
  • In contrast, a general standard SDR design is implemented as portable software (high-lever codes) running on industry- standard equipment. This is termed “SOFTWARE RADIO”.
  • Typically, all of the software is written in C and C++ running on the Linux operating system.
  • The entire system, including the signal processing for the air-interface, is simply a collection of software applications that can run on any general purpose processor (e.g Pentium, Xeon, PowerPc, ARM).
  • The software is designed to allow multiple processors to run on same CPU or board, enabling a single server or blade to support multiple different air-interfaces at the same time, with capacity dynamically shared among all operating air-interfaces.
  • The applied station subsystem brings together a suite of technologies that together provide flexibility, scalability and cost-effectiveness to network operators.
  • The core Software Radio technology enables true multi-standard operation and takes advantage of industry-standard COTs servers, reducing both CAPEX and OPEX and significantly reducing requirements for on-site maintenance
  • The use of advanced multi-carrier RF heads supports multi-standard operation and dynamic capacity reallocation.
  • A switched-fabric standard networking protocol in the front haul makes distributed antenna system (DAS) solutions economical
  • IP everywhere in the backhaul and switch connection enables the use of commodity equipment and multiplex network links.
  • These benefits are the direct consequences of software-centric approach to the radio access network (RAN).
  • The multi-standard software can turn on any of a wide range of server platforms and exploit any of a range of backhaul, fronthaul and RF head equipment, all based around industry-standard, commercially available platforms and networking protocols.
  • The applied subsystem enables carriers to allocate valuable spectrum and backhaul resources to broadband data capacity only in those cells where the customers using the broadband service are active at any given time.
  • Consequently, with the subsystems, network operators can focus infrastructure investments on system configurations that not only meet their specific requirements for features and scalability at minimal cost, but also significantly enhance business model flexibility through enabling software-only upgrades and on-demand spectrum and capacity allocation.
  • In fact the SDR applied subsystem networks in both microcell and innovative vehicle picocell, enterprise in-building, and home deployments can enjoy significant cost and flexibility advantages over conventional alternatives.

 Reducing the cost and complexity of managing wireless-based networks for 5G

  • This involves :
  • Remotely access, monitor and control hybrid networks of terrestrial and satellite broadband network equipment including:
  • Routers
  • Switches
  • Servers
  • Hubs/ Gateways
  • Fire walls
  • Wireless Access Points
  • VSAT MODEMS
  • Antenna Controllers
  • RF Amplifiers
  • GPS devices
  • Power Controllers
  • Reduce the time and resources spent on wireless network maintenance, support and recovery using SDR
  • Increase business availability by providing always-up network monitoring and management.
  • Enforce management security and enable compliance even during outages
  • Centralize and standardize control of core and remote network infrastructure.
  • SATCOM NFV:
  • Satellite Network Function Visualization tool is a three-dimensional analysis and visualization environment that displays all scenario information from the software suite.
  • The Visualization Provides an intuitive view of complex mission and orbit geometries by displaying realistic 3-D views of land, sea, air and space assets, sensor projections; Orbit trajectories and assorted visual cues and analysis aids.
  • The tool takes advantage of today’s readily available Windows and Unix workstations to provide state-of-the-art interactive graphics performance. Its graphics are driven by precise, validated and verified numerical data drived from experts.
  • How can NFV tool benefit your SATCOM NETWORK needs?
  • One software tool for 3D-Visualization of integrated Land, Sea, Air and Space Assets.
  • Ideal situational awareness tool for all phase of complex SATCOM NETWORK FUNCTIONS, and intelligent programs with real-time data interfacing
  • 3-D Visualization with heads-up data display to support operations
  • Professional-quality images, animations, and videos for executive briefings and presentations
  • High-Fidelity (HiFi) Visualization of specialized design, analyses, and operations pertaining to collision avoidance, network coverage assessment and planning, Orbit determination, real-time Visualization, communication, Link analysis, and interference masking systems.
  • Rapid anomaly resolution of satellite operations
  • 3-D Visualization of Sophisticate Networks Integrations
  • Visual design tools for specialized system engineering tasks
  • Advanced Visualization Options provides advanced visualization and output Optimization such as terrain Visualization; a “Flying-camera” capability for sophisticated animation and video production, High-fidelity scence Modeling, Visual design tools for solar-array sizing and sensor Obscuration analysis, and highly realistic scence creation with day-light modeling and anti-aliasing.

Andrew Aroh is President of SSPI Nigeria


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Digital Encode Sponsors PAFON 3.0 as CVO Prof. Adewale Set to Deliver Keynote on Cybersecurity and Trust

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Digital Encode Limited has emerged the lead sponsor of the upcoming third edition of the forum (PAFON 3.0), the organisers have announced.

Digital Encode Sponsors PAFON 3.0 as CVO Prof. Adewale Set to Deliver Keynote on Cybersecurity and Trust

PAFON 3.0

PAFON 3.0 is scheduled to take place on Friday, April 24, 2026, at the Oriental Hotel, Lekki Road, Lagos, from 9:00 AM to 1:00 PM.

Themed “Fair Digital Payments as a Catalyst for Deepening Financial Inclusion in Nigeria,” PAFON 3.0 serves as a strategic platform for senior executives from banks, fintechs, regulatory agencies, and technology innovators to address the evolving digital payment landscape.

As Nigeria transitions toward a cash-light economy, the forum will focus on critical pillars of sustainability, including transparency, pricing integrity, and system resilience.

Bridging Cybersecurity and Financial Inclusion

Professor Adewale Peter Obadare, the Founder/chief visionary officer of Digital Encode will deliver a cybersecurity-focused keynote address that connects trust, resilience, fraud prevention, and consumer protection to financial inclusion.

His session will provide a specialized perspective on how information security serves as the bedrock of financial inclusion; exploring the vital links between building infrastructure that consumers can rely on, protecting the ecosystem to allow inclusion to scale, and ensuring equitable and secure access for all Nigerians.

Prof. Obadare is arguably the most Credentialed PAN-African Digital Trust Leader, CyberSecurity Strategist, GRC Thought Leader & Global Technopreneur.

He is a seasoned Multi-Award Cybersecurity & GRC expert with over 58 (Fifty-Eight) international professional certifications to his credit, Master of Science in Cybersecurity, Liverpool Unversity, UK, was awarded Honorarary Doctorate Degree in Cybersecurity from Trinity International University of Ambassadors Atlanta Georgia, United State of America and First Professor of Practice – Cybersecurity at Miva Open University, Abuja, Nigeria.

Prof. Obadare is a well-recognized subject matter expert with numerous successful engagements to his credit in Africa and the world. His skills and experience spans Data Privacy, Data Protection, CyberSecurity, Information Security, Vulnerability Management, Penetration Testing, Computer Forensics, Business Continuity, I T Governance, Risk Management and Compliance.

He is a Cybersecurity Advisory Board Member for Lagos State Government, a Platinum Team Member of Open-Source Security Testing Methodology Manual (OSSTMM), as well as a lifetime member of  the Open Worldwide Application Security Project (OWASP). He is an alumnus of  FATE Foundation and US Department of State Exchange program.

He is also a distinguished alumnus of executive education at Harvard Business School, Harvard School of Government, MIT Sloan School of Management, MIT Professional Education and Oxford University – Said Business School.

“Without trust in the security of digital payments, inclusion cannot scale. And we are happy to welcome Digital Encode as our Lead Sponsor this year. With what the company stands for and the personality of the CVO on a global scale, we have no doubt that attendees at this year’s PAFON will go home with lots of insights.”

“The theme for PAFON 3.0 was carefully selected because if digital payments are affordable, transparent, accessible, and trustworthy, more Nigerians, especially the underserved, will participate in the financial system”, Mr. Chike Onwuegbuchi, the co-convener of Payments Forum Nigeria, noted, highlighting Digital Encode distinguished leadership in Nigeria’s cybersecurity ecosystem.

Other Confirmed speakers: Dr. Jameelah Sharrieff-Ayedun, Vice President, Fintech Association of Nigeria (FintechNGR) & CEO, Credit Registry; Uche Uzoebo, MD/CEO, Shared Agent Network Expansion Facilities (SANEF Limited): Special Guest of Honour; Mojeed Abayomi Agboola, National President, Financial Inclusion Agents Multipurpose Cooperative Society (FIAMCS); Dr. Obioha Otti, National President, Association of Mobile Money and Bank Agents in Nigeria (AMMBAN); Chukwuemeka Enoch, Founder, Lagos Blockchain Week, and Sarafadeen Fasasi, National President, Association of Financial Inclusion Agents of Nigeria (AFiAN), amongst others.

The forum will feature speakers from across the financial spectrum, including mobile money operators, payment processors, and development institutions, to shape policy dialogue and industry standards.

PAFON is a premier industry gathering that aligns brand positioning with trust and innovation in Nigeria’s digital payments ecosystem. It provides a unique space for thought leadership, regulatory engagement, and market expansion within the payment infrastructure sector.


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NITDA Boss Warns of AI Threat Shift @ GITEX Africa

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The era of treating cybersecurity as a mere IT problem is over. As AI-powered digital threats become more elusive and destructive, Nigeria is shifting its strategy toward “Total Resilience”—a multi-dimensional defense involving every level of society.

NITDA Boss Warns of AI Threat Shift @GITEX Africa

NITDA

At the 2026 GITEX Africa summit, NITDA DG, Kashifu Inuwa sounded the alarm on the changing nature of digital warfare, asserting that technology alone is no longer enough. Instead, Nigeria’s survival in the digital age now hinges on a strategic blend of policy, people, and proactive defense.

Speaking during a panel session on Cyber Resilience, Inuwa described the current global digital environment as being at a “critical turning point.”

He warned that emerging technologies are not only transforming industries and economies but are also reshaping the nature of cyber threats, demanding a proactive and multi-dimensional response from governments, institutions, and citizens alike.

“Cybersecurity is no longer just a technical issue. It is a strategic imperative for national development,” Inuwa stated. “We must think beyond technology alone and build resilience through people, processes, regulations, and infrastructure.”

Inuwa revealed that the focus of Nigeria’s cyber strategy is shifting from high-tech software to the people behind the screens. Pointing to data showing that 95% of all digital breaches stem from simple human mistakes, Inuwa argued that the world’s most advanced encryption is useless if the user is compromised.

“The most sophisticated technology cannot protect us if the human element is overlooked,” he noted. By prioritising human capacity and digital literacy, NITDA aims to turn every citizen into a “human firewall”, the first and most critical line of defense in a world where AI-driven attacks are the new normal.

In response, the Nigerian government has launched a comprehensive National Digital Literacy Programme aimed at achieving 95 percent digital literacy by 2030, with an interim target of 70 percent by 2027.

The programme emphasizes digital safety and cybersecurity awareness, equipping citizens with the knowledge to navigate an increasingly online world responsibly.

Inuwa highlighted initiatives such as the “3 Million Tech Talent” programme, designed to develop Nigerian expertise across key technology domains, including cybersecurity, data science, and AI.

The programme also leverages hackathons, innovation challenges, and mentorship schemes to channel young people’s skills into productive, lawful, and globally competitive ventures.

He argued that nurturing local talent is essential not just for national security but also for economic growth. “We want to create an environment where young Nigerians are innovators, not just consumers of technology,” he said.

Addressing concerns about Nigeria’s ranking in global cybercrime indices, Inuwa urged contextual understanding. “Countries with the most advanced digital economies also rank high in cybercrime because of the scale of their online activity,” he explained.

“Our focus is on redirecting talent towards innovation and solutions that protect our citizens while contributing to global digital advancement.”

On the legal and regulatory front, Nigeria continues to review and enhance the Cybercrime Act of 2015 to keep pace with the rapidly evolving threat landscape. The law underpins a structured National Cybersecurity Architecture coordinated by the Office of the National Security Adviser.

In addition, the country operates a 24-hour cybersecurity operations centre tasked with monitoring threats, issuing advisories, and providing real-time support to government institutions, businesses, and citizens. Advanced technologies, including dark web monitoring and AI-enabled threat detection, are being deployed to enhance situational awareness and improve response times.

Inuwa emphasized that effective cyber resilience requires collaboration between public and private sectors. NITDA is working closely with ministries, departments, agencies, and private sector stakeholders to secure critical infrastructure and strengthen national resilience.

“Cyber resilience is not a solo effort; it is a collective responsibility. By integrating people, technology, and regulation, we can build a secure, globally competitive digital economy,” he added.

As Nigeria navigates a digital-first future, initiatives such as the National Digital Literacy Programme, 3 Million Tech Talent, and strengthened legal frameworks underscore a commitment to turning cybersecurity challenges into opportunities for innovation and growth.

The country’s strategy reflects a broader understanding that in an era of AI-driven threats, preparedness is as much about people and processes as it is about technology.


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Truecaller Targets Global Market with Powerful New Business Chat Push

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Truecaller, the leading global communications platform, today announced the expansion of its Business Chat platform, making it accessible to global channel partners and enterprise solution providers. By “opening up” market access to its platform, Truecaller is empowering partners to transition their enterprise clients from legacy, low-trust SMS to a verified, smart, media-rich, and conversational communication experience.

Truecaller Targets Global Market with Powerful New Business Chat Push

Truecaller

Through this partner-led expansion, Truecaller empowers businesses to reclaim customer attention and establish immediate trust and credibility.

“The definition of success for modern enterprises has fundamentally evolved. It’s no longer just about delivery – it’s about earning attention, establishing credibility, and driving meaningful conversion,” said Priyam Bose, Global Head, GTM at Truecaller.

“By opening up market access to our global partners, we’ve created a powerful gateway for brands to engage with over 500 million active users where they already interact daily through communication that is contextual, trusted, free from clutter, and designed to initiate actions. For existing customers, the outreach opportunity extends to an additional high-impact channel, strengthening the overall customer experience journey.”

Truecaller Business Chat enables a clutter-free, high-trust conversational experience between businesses and consumers. The Business Chat platform equips partners with actionable insights, including real-time data and rich engagement metrics. This facilitates a more sophisticated, data-driven communication strategy that adapts at every stage of the customer journey.

Partners, including Gupshup and OneXtel, are already live in India along with Globe Teleservices, Cloudcom, and Sling Africa in other global markets, rapidly scaling the product in their respective regions. Global partners can now leverage Truecaller’s massive footprint to offer their clients a trustworthy engagement channel in an increasingly crowded digital world.


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