Nsfs-140 _top_
| # | As a … | I want … | So that … | |---|--------|----------|-----------| | | End‑user | Add a folder to “Smart Sync” via a + Add Folder button | It will be automatically kept in sync with the cloud. | | US‑2 | End‑user | Remove a folder from Smart Sync | It stops syncing and the folder remains local only. | | US‑3 | End‑user | Set bandwidth limit (e.g., 1 Mbps) per folder | I stay within my corporate network quota. | | US‑4 | End‑user | Define a schedule (e.g., 02:00‑04:00) | Sync runs only during off‑peak hours. | | US‑5 | End‑user | Choose conflict resolution : Auto‑merge (text) , Rename‑conflict , Prompt | I avoid data loss. | | US‑6 | Enterprise admin | Push a policy that forces all user folders under C:\Company\Docs to be synced, with a 500 KB/s limit | Enforce compliance. | | US‑7 | Support engineer | View sync status per folder (green/amber/red) and error details | Diagnose issues faster. | | US‑8 | QA tester | Simulate network loss while a file is being uploaded | Verify retry & resume works. | | US‑9 | Product analyst | Collect metrics : avg latency, errors, bandwidth usage per folder | Measure feature adoption. |
It is written as a stand‑alone deliverable that can be handed to product, design, engineering, QA, and DevOps teams. Feel free to cherry‑pick or adapt any sections to fit your internal processes.
| Method | Endpoint | Request | Response | Notes | |--------|----------|---------|----------|-------| | | /v2/sync/folders | "localPath":"C:\\Users\\Bob\\Docs", "remoteName":"BobDocs" | 201 Created + folderId | Returns folderId for local config. | | GET | /v2/sync/folders/folderId | – | "status":"online","lastSync":"2026-04-01T12:34:56Z" | Used by UI status refresh. | | PATCH | /v2/sync/folders/folderId | "bandwidthLimitKbps":500, "schedule":"02:00-04:00", "conflictPolicy":"rename" | 200 OK | Partial update. | | DELETE | /v2/sync/folders/folderId | – | 204 No Content | Archives remote folder. | | POST | /v2/sync/files/upload | Multipart: file , folderId , hash | 200 OK or 409 Conflict with server hash | Upload endpoint (supports resumable chunks). | | POST | /v2/sync/files/delete | "folderId":"...", "path":"sub/file.txt" | 200 OK | Delete remote file. | nsfs-140
The development of NSFS-140 can be traced back to the early 1990s, when the US government recognized the need for standardized cryptographic algorithms to ensure the security of sensitive information. In 1993, NIST published FIPS PUB 180, which defined the Secure Hash Algorithm (SHA). Over the years, subsequent updates and revisions have been made to the standard, with NSFS-140-2 being the latest version.
"folders": [
You will find drop-shippers on Amazon listing "NSF-140 certified hoses." They are lying. Always check the specific NSF standard number (e.g., NSF-51, NSF-61, NSF-140) before you buy.
This standard evaluates carpet on a lifecycle basis across three pillars: | # | As a … | I
All endpoints require Authorization: Bearer <access_token> and enforce TLS 1.3.
The confusion stems from the rise of "NSF" as a generic seal of approval. NSF International (now called The NSF) tests everything from dietary supplements to water filters. | | US‑4 | End‑user | Define a schedule (e
| Goal | Description | |------|-------------| | | Detect creates/updates/deletes within < 2 seconds and propagate to cloud. | | G2 – Conflict‑aware | Detect concurrent edits (local vs. cloud) and offer deterministic resolution (auto‑merge for text, rename‑conflict for binary). | | G3 – Configurable Throttling | Allow per‑folder upload/download bandwidth caps (e.g., 2 Mbps). | | G4 – Low Resource Footprint | ≤ 5 % CPU and ≤ 30 MB RAM on idle; ≤ 10 % CPU during active sync. | | G5 – Security & Privacy | All data in‑flight TLS 1.3; at‑rest encrypted with user‑derived key. No clear‑text paths logged. | | G6 – Multi‑Platform Consistency | Same behaviour on Windows & macOS; API contract identical. | | G7 – Observability | Emit structured logs, metrics (sync latency, errors, bandwidth), and UI status events. | | G8 – Offline Resilience | Queue changes locally, retry with exponential back‑off; survive client restarts. | | G9 – Enterprise Controls | Admin can whitelist/blacklist folder paths via policy API. | | G10 – Internationalisation | UI strings localized for EN, FR, DE, ES, JP, CN. |