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====== S3 Transfer Acceleration (S3TA) ======

**What it is:** A feature that can speed up transfers between clients on the internet and an S3 bucket by using AWS edge locations and the AWS global network.

**What it’s for:**
  * Faster uploads/downloads over long distances (global users, large files).

**Key ideas:**
  * Uses an accelerate endpoint (`s3-accelerate`).
  * There is an additional S3TA transfer cost when acceleration is used effectively.

**Exam cue (important):**
  * If AWS determines Transfer Acceleration is **not likely faster** than normal S3 transfer for a request, AWS **does not charge** the S3TA transfer fee for that transfer (and may bypass acceleration).

**Hard words (English + IPA + Vietnamese meaning):**
  * *acceleration* /əkˌseləˈreɪʃn/: tăng tốc
  * *edge location* /edʒ loʊˈkeɪʃn/: điểm biên (edge)
  * *bypass* /ˈbaɪpæs/: bỏ qua

**Child pages:**
  * [[aws:storage:s3:transfer-acceleration:pricing|S3TA Pricing & “No charge if not faster”]]
  * [[aws:storage:s3:transfer-acceleration:exam-notes|S3TA Exam Notes (charges vs request/storage)]]