ReadyOn has detailed a four-layer tenant isolation architecture for its Harmony platform on Amazon EKS. The design combines Kubernetes namespaces, dedicated Karpenter node pools, VPC security groups, and per-tenant Aurora databases, with controls evaluated against a 10-stage multi-tenant threat model focused on cross-tenant access and lateral movement. By Leela Kumili
A preview of three November InfoQ online certification cohorts covering production AI systems, retrieval and agent design, engineering team flow, AI roles, and measurement, facilitated by Adi Polak, Lan Chu, and Olimpiu Pop. By Artenisa Chatziou
This week's Java roundup for October 19th, 2026, features news highlighting: the proposed release schedule for JDK 28; the eMudhra Intermediate CA certificates breach; the October 2026 Critical Patch Update; Azul and BellSoft CPUs; GA releases of WildFly 42 and Apache POI 6.0; the beta release of Open Liberty 26.0.0.11; and maintenance releases of Micronaut and JobRunr. By Michael Redlich
Agentic LLM systems have moved from linear prompt chains to graph-based workflows and, more recently, code-executing harnesses. Chains are simple but fragile, graphs add branching, retries, and validation, and code harnesses verify outputs through execution. The article advises validating model outputs and choosing the least complex design that meets reliability, speed, and cost needs. By Karthik Ramgopal
Cloudflare has released Auto Router in public beta through AI Gateway, picking a model per request from a classifier that scores complexity, ambiguity, stakes and context dependence. Cloudflare’s own benchmark puts it ten points below Claude Opus 5.5 on success rate at a third of the cost, and practitioners have questioned how stakes survive a long agent session. By Steef-Jan Wiggers
