AWS Solutions Architect case studies
AWS Solutions Architect · Put your knowledge to work in context.
The AWS Certified Solutions Architect – Associate is a foundational-to-intermediate AWS certification aimed at people who design systems on the AWS Cloud. It suits cloud engineers, developers and system administrators stepping into architecture work, as well as technical consultants and pre-sales staff who need to translate requirements into working designs. The AWS Solutions Architect case studies are 5 cases and about 4,328 words.
1Private S3 Access Across 61 VPCs and a 90-Day Contractor Role
Northwind Payments runs 38 accounts in AWS Organizations (all features enabled) across us-east-1 and eu-west-1, with 61 VPCs and a 1 Gbps Direct Connect from two colo sites. Security has three open findings: (1) S3 traffic from on-premises and from VPC workloads must never cross the public internet; (2) a contractor team needs read access to 12 buckets in 4 accounts for 90 days, currently handled by per-account IAM users with access keys averaging 400 days old; (3) there is no central record of S3 object-level access.
970 words, about 5 min2Where the 47 Minutes Went: Aurora Global Database Against a 15-Minute RTO
A ticketing platform runs in us-east-1 as primary with eu-west-1 as DR. Tier 1 (checkout and ticket issuance) must meet RTO 15 minutes and RPO 1 minute; tier 2 (reporting, search reindex) can tolerate RTO 4 hours and RPO 15 minutes.
791 words, about 4 min3The 09:00 Connection Storm
A B2B analytics SaaS runs 40 m6i.2xlarge application instances behind an ALB, each with a HikariCP pool of 25 connections to a single db.r6g.4xlarge Aurora PostgreSQL writer. Between 08:55 and 09:20 UTC, p95 API latency rises from 300 ms to 9 s and the ALB returns 12% 5xx.
712 words, about 4 min4900 TB of 38 KB Objects and a Three-Year Commitment Ban
A media archive holds 900 TB in S3 Standard in us-east-1: 24 million objects averaging 38 KB. S3 Storage Lens over 90 days shows 62% of bytes are never read after day 30, 30% are read a few times a year at unpredictable times, and 8% are read daily.
792 words, about 4 min5Replacing Tape for a 40 TB File Estate on a Saturated Direct Connect
A regional insurer keeps 40 TB of scanned policy documents on an on-premises NFS server. About 12 TB changes monthly, and 90% of that volume is re-written files keeping the same names with new content.
1,063 words, about 5 min