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--- aws:global:regional-vs-global-services [2026/02/22 23:55] – removed phong2018
+++ aws:global:regional-vs-global-services [2026/02/22 23:55] (current) – created phong2018
@@ Line 1: / Line 1: @@
+====== Regional vs Global Services ======
+**What it is:** A way to classify AWS services by scope:
+  * **Regional services**: exist inside a specific Region.
+  * **Global services**: not tied to one Region (work globally).
+**What it’s for:**
+  * Understand where your resources “live”.
+  * Design multi-region architectures correctly.
+  * Avoid mistakes like “why can’t I see my resource in another Region?”
+**Regional services (typical examples):**
+  * [[aws:network:vpc|VPC]] (Region-scoped)
+  * [[aws:compute:ec2|EC2]]
+  * [[aws:storage:s3|S3]] (buckets are in a Region, even though the name is global-unique)
+  * [[aws:database:rds|RDS]]
+  * [[aws:containers:eks|EKS]]
+**Global services (typical examples):**
+  * [[aws:security:iam|IAM]] (accounts/users/roles are global in the account)
+  * [[aws:network:route53|Route 53]] (global DNS)
+  * [[aws:global:cloudfront|CloudFront]] (global CDN)
+**Exam cues:**
+  * “I created it in us-east-1 but can’t find it in ap-southeast-1” → it’s regional.
+  * “DNS records used worldwide” → global.
+**Hard words:**
+  * *scope* /skoʊp/: phạm vi
+  * *tied to* /taɪd tuː/: gắn với
+  * *unique* /juːˈniːk/: duy nhất