\n The Dawn of Serverless Innovation: The Secret Behind AWS Quadrupling Payload Size From the previous 256KB to a whopping 1MB—AWS has increased the maximum payload size by four times for Lambda asynchronous invocations, Amazon SQS, and Amazon EventBridge . At first glance, this might seem like just a “slight increase in limits.” But in the realm of Serverless architecture, this single line of change reshapes data transmission methods, failure points, latency, and even the fundamental design patterns themselves. Why is that? Why Payload Limits Become ‘Architectural Rules’ in Serverless In Serverless and event-driven systems, events (messages) are not mere carriers but contracts that define boundaries between services . However, the 256KB limit effectively forced many teams into the following approach: Include only IDs in events (thin events) Store actual data in repositories like S3 or DynamoDB Use a pointer pattern where events carry only "where t...
The Beginning of the Mobile Transportation Card Revolution: What Is Apple Pay T-money? Transport card payments—now completed with just a single tap? Let’s explore how Apple Pay T-money is revolutionizing the way we move in our daily lives. Apple Pay T-money is an innovative service that perfectly integrates the traditional T-money card’s functions into the iOS ecosystem. At the heart of this system lies the “Express Mode,” allowing users to pay public transportation fares simply by tapping their smartphone—no need to unlock the device. Key Features and Benefits: Easy Top-Up : Instantly recharge using cards or accounts linked with Apple Pay. Auto Recharge : Automatically tops up a preset amount when the balance runs low. Various Payment Options : Supports Paymoney payments via QR codes and can be used internationally in 42 countries through the UnionPay system. Apple Pay T-money goes beyond being just a transport card—it introduces a new paradigm in mobil...