Cloud-Native Reliability: Applying SRE to Serverless and Event-Driven Architectures
DOI:
https://doi.org/10.63282/3050-9262.IJAIDSML-V5I3P108Keywords:
Site Reliability Engineering (SRE), Cloud-native, Serverless computing, Event-driven architecture, Observability, SLIs, SLOs, SLAs, Error budgets, Chaos engineering, Reliability automation, Distributed systemsAbstract
As cloud-native technologies alter the operation and construction of contemporary applications to guarantee that these systems are durable, scalable, and financially efficient, enterprises more and more are embracing Site Reliability Engineering (SRE). This article contrasts with conventional monolithic or microservices-based systems by exploring how key SRE ideas automation, observability, error budgets, and service-level goals (SLOs) might be applied to serverless and event-driven architectures. While serverless platforms and asynchronous event-driven architectures also present fresh challenges for reliability engineering including limited visibility, complex event flows, and difficulty in incident detection and rollback, they offer great benefits including reduced operational overhead, scalability, and accelerated time-to--market. The essay demonstrates how modern teams are employing SRE techniques such as distributed tracing, proactive alerting, chaotic engineering, and infrastructure-as-code in very dynamic, ephemeral computing environments in pragmatic ways. The paper presents a case study of a fintech company that moved from containerized workloads to an event-driven serverless architecture outlining their redefined reliability objectives, integration of observability at each function and event trigger, and automation of resilience testing across distributed services. Important findings reveal that although conventional SRE indicators remain relevant, they should be interpreted differently in transitory circumstances and success depends on collaboration across development, operations, and platform teams. Using SRE in serverless and event-driven systems not only improves system dependability but also promotes a culture of accountability and continuous development qualities absolutely essential for success in the new cloud-native environment
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