AWS Solutions Architect Professional case studies
AWS Solutions Architect Professional · Put your knowledge to work in context.
AWS Certified Solutions Architect – Professional is the advanced tier of the AWS Solutions Architect certification path. AWS introduced it in May 2014 as the program's first Professional-level exam, positioning it above the Associate-level exam: it validates advanced technical skills and experience and concentrates on the design and development of distributed systems. The AWS Solutions Architect Professional case studies are 5 cases and about 5,815 words.
1Order Intake at Northwind: Retry Storms, Session Loss, and a 15-Minute RTO
Northwind Retail runs order intake on 48 ECS Fargate tasks behind an Application Load Balancer across three AZs in us-east-1. Tasks connect to an Aurora MySQL cluster (one writer, two readers) through a HikariCP pool with a maximum of 20 connections each, and store cart sessions in a single-node ElastiCache for Redis in one AZ.
1,187 words, about 6 min2Halcyon Media: 400 TB of SMB File Data, a Nine-Month Deadline, and an 06:00 Analytics SLA
Halcyon Media is closing both US data centers in nine months. Its 400 TB of departmental file shares (12 million files, average 33 MB, with only about 6% of files touched in any given month) live on Windows Server 2019 with NTFS ACLs tied to an on-premises Active Directory that is being replaced by AWS Managed Microsoft AD.
1,124 words, about 6 min3Corvus Insurance: Oracle 19c, 1,900 PL/SQL Packages, and a 30-Minute Cutover
Corvus Insurance is migrating a policy administration system: six IIS web servers, eight Java (WebLogic 12c) application servers with JMS queues, and Oracle 19c Enterprise Edition (4 TB) on bare metal. Rating logic lives in 1,900 PL/SQL packages and 240 DBMS SCHEDULER jobs, some of which are external jobs that shell out to host scripts.
1,104 words, about 6 min4Meridian Financial: 74 Accounts, 11 Overlapping CIDRs, and a $30k Inspection VPC
Meridian Financial has 74 AWS accounts under AWS Organizations, organised into three OUs by environment, plus a network account and a log-archive account. The security mandate: every workload account ships VPC Flow Logs, CloudTrail, and GuardDuty findings centrally; no workload account may have an internet gateway; all egress must traverse a stateful, logged firewall; and no two VPCs may use overlapping CIDRs.
1,169 words, about 6 min5Peregrine Logistics: A $1.35M Monthly Bill and a Plan to Buy 3-Year All-Upfront Everywhere
Peregrine Logistics spends about 1.35M per month. It runs 620 EC2 instances, 71% of them m5.2xlarge on 24/7 at 12% average CPU, which also execute 9,000 nightly batch jobs.
1,231 words, about 6 min