David Richardson

People often ask me about the differences in architecture between Amazon Dynamo (the 2007 SOSP paper), DynamoDB (the AWS serverless NoSQL database), and Aurora DSQL (the AWS serverless SQL databases). I captured the key points on durability, high availability, programming model, and trade-offs in my blog: https://lnkd.in/gkMG_tVD TL;DR: Despite the shared name, Dynamo and DynamoDB have little in common architecturally, and make very different trade-off decisions.

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We recently announced the GA of Oracle Database@AWS. Customers can now run Oracle Exadata Database Service and Oracle Autonomous Database on dedicated infrastructure on OCI within the AWS U.S. East (N. Virginia) and U.S. West (Oregon) Regions. In addition, to meet growing customer demand, we plan to make the service available in an additional 20 AWS Regions around the world. InfoWorld has the details: https://lnkd.in/gswnvM9z

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I keep being asked how Ably performed during the AWS us-east-1 outage this week. The bottom line is that there was no customer impact: no downtime, no errors and imperceptible impact on latency. Ably is hosted on AWS with services operating in multiple regions globally. Each region scales independently based on traffic, and us-east-1 is normally the busiest region. When AWS services in us-east-1 started failing, the Ably data plane kept operating as normal. The AWS disruption meant that we couldn’t add capacity in that region, so new connections were routed to us-east-2 instead; this is a routine intervention that we make in response to disruption in a region. Existing connections in us-east-1 stayed live, serving traffic with the same latency and zero errors. This was our globally-distributed system doing exactly what it was built to do. Read the full breakdown: https://lnkd.in/eeVsie4a

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Super excited to share the our agent-gateway oss project is getting an overhaul! Agent gateway is a rust-built, dedicated gateway for MCP, A2A, LLM, and inference use cases. Updates include: 👉 Update to latest A2A and MCP specs 👉 Kubernetes Gateway API support 👉 More sophisticated traffic policies and resilience 👉 LLM Gateway and unified API 👉 Inference Gateway / Extensions Go try it out now, blog links in the comments 👇

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Amazon DynamoDB tables with multi-Region strong consistency are now available. You can now build globally resilient, always-available applications that never miss a beat. Your applications run across multiple regions with 99.999% availability, and every read returns the latest data, regardless of location. Benefits include Zero RPO (Recovery Point Objective), simultaneous read/write capabilities across all regions, simplified multi-Region architectures, all without complex failover code or operational headaches. To learn more, read Donnie Prakoso's new post, "Build the highest resilience apps with multi-Region strong consistency in Amazon DynamoDB global tables" at https://lnkd.in/gMQqSFNx .

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