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Back in the early 2000s, I was fortunate enough to be part of a team of IT/telecom professionals tasked with providing seamless data connectivity for passengers on a fast-moving train. This presented several challenges, including dealing with shadow areas, where signal strength is weakened due to interference from buildings, trees, or other obstacles. To address this issue, our team implemented a Distributed Antenna System (DAS) on the train, which involved installing a network of small antennas throughout the train to act as signal boosters, along with multiple access points that could quickly and seamlessly switch between different cellular towers or WiFi hotspots. Train à grande vitesse” (TGV), or “high-speed train (2000) Thanks to the dedication and hard work of our team, we were able to provide uninterrupted and seamless data connectivity for passengers on the TGV, even as it reached speeds of up to 300 km/h. It was an exciting and groundbreaking project, and I feel incredibly gra...

Introduction:- For many years, the world has been grappling with the challenge of digital identity. The current centralized root of trust model, which relies on CAs, consortia, or governments, has been found to be vulnerable to breaches and hacking attempts. However, with blockchain technology, we can finally solve this global digital identity problem. Blockchain Technology:- A public blockchain is a decentralized root of trust that nobody owns, but everyone can use. It uses a consensus algorithm operating over many different machines and replicated by many different entities in a decentralized network, turning the centralized root of trust model on its head. The Bitcoin network has proven the effectiveness of this model by operating for eight years without a breach. The fundamental idea behind blockchain technology is to replace trust in humans with trust in mathematics. Every transaction in the blockchain is digitally signed by the originator and chained to the prior via a digital ha...

Introduction:- Blockchain technology has emerged as a disruptive force in the field of identity and credential management. With its inherent security features, blockchain can offer a decentralized, tamper-proof solution for managing digital identities and credentials. Let's explore the role of blockchain in identity and credential management, and how it can help individuals and organizations share sensitive information in a secure and transparent way. Identity Management with Blockchain:- The traditional approach to identity management involves storing personal information in a centralized database or server, which is vulnerable to hacking and data breaches. Blockchain technology offers a more secure and decentralized approach by allowing users to store their personal information in a distributed ledger that is maintained by a network of nodes. In a blockchain-based identity management system, users can create a digital identity that is linked to a public key. This public key acts ...

Blockchain technology has the potential to change the face of identity and credential management as we know it. By providing a secure, decentralized, and transparent solution for managing digital identities and credentials, blockchain can offer several benefits over traditional systems. Identity Management:  With blockchain, users can create a  digital identity  that is linked to a public key, offering a unique and tamper-proof identifier that can be used to authenticate their identity when accessing digital services. Additionally, the decentralized nature of blockchain eliminates the risk of a single point of failure that can be exploited by hackers. Credential management:   By storing credentials such as degrees, certifications, and licenses on a blockchain, individuals and organizations can be sure that they are authentic and tamper-proof. When a user needs to share their credentials with a third party, they can do so by providing the public key associated wi...

DXC Technology - DXC Labs - Facebook Live 9 May 2019: DXC Technology India was live. - DXC Technology India | Facebook This is a throwback to an insightful Facebook live Q&A session where I, as Director of DXC Labs- India, answered questions on the role, charter, and deliverables of DXC Labs. We discussed our niche technology themes, partner collaboration, use cases, and examples, and how our charter was aligned with the overall organization in line with predictions and forecasts from industry leaders like Gartner.  It  was a great experience, and my colleague   Baskar Venugopalan also joined in to provide additional insights and perspectives. Sam Johnston ,  Global Head provided the vision and direction to DXC Labs globally, and was instrumental in ensuring that we were always pushing the boundaries of what was possible and delivering value to our customers. As a team, we were constantly looking for ways to innovate and stay ahead of the curve. We prided oursel...

  Lessons from the Notorious Pentium FDIV Bug Introduction:- The field of software development is constantly evolving, with new technologies, programming languages, and development methodologies being introduced all the time. However, one thing that remains constant is the need to ensure that software is reliable and performs as expected in the real world. One important aspect of this is the need to accept field issues and respond with commitment. No matter how much testing is done in the development process, there will always be issues that arise in the field. When this happens, it's important to respond quickly and decisively to address the issue and minimize the impact on users. Another key lesson is the importance of innovative and effective approaches to testing, reproducing problems, and problem-solving overall. One example of this is the Pentium FDIV bug,  one of the most notable hardware bugs in the history of computing.   As someone who was closely connected...