[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"summary-9a9f9ad328728e84-aws-kms-envelope-encryption-secures-data-at-scale-summary":3,"summaries-facets-categories":134,"summary-related-9a9f9ad328728e84-aws-kms-envelope-encryption-secures-data-at-scale-summary":3719},{"id":4,"title":5,"ai":6,"body":13,"categories":103,"created_at":105,"date_modified":105,"description":39,"extension":106,"faq":105,"featured":107,"kicker_label":105,"meta":108,"navigation":115,"path":116,"published_at":117,"question":105,"scraped_at":118,"seo":119,"sitemap":120,"source_id":121,"source_name":122,"source_type":123,"source_url":124,"stem":125,"tags":126,"thumbnail_url":105,"tldr":131,"tweet":105,"unknown_tags":132,"__hash__":133},"summaries\u002Fsummaries\u002F9a9f9ad328728e84-aws-kms-envelope-encryption-secures-data-at-scale-summary.md","AWS KMS Envelope Encryption Secures Data at Scale",{"provider":7,"model":8,"input_tokens":9,"output_tokens":10,"processing_time_ms":11,"cost_usd":12},"openrouter","x-ai\u002Fgrok-4.1-fast",6446,1340,18664,0.00193655,{"type":14,"value":15,"toc":97},"minimark",[16,21,30,40,47,54,58,61,64,87,90,94],[17,18,20],"h2",{"id":19},"envelope-encryption-delivers-aes-speed-without-master-key-exposure","Envelope Encryption Delivers AES Speed Without Master Key Exposure",[22,23,24,25,29],"p",{},"Envelope encryption resolves symmetric AES-256's key distribution limits and RSA's performance bottlenecks by layering fast bulk encryption under protected master keys. Generate a plaintext AES-256 DEK via KMS ",[26,27,28],"code",{},"GenerateDataKey"," API—it returns both the raw DEK (held in memory only) and its encrypted version under the master key. Encrypt your data locally with the plaintext DEK using AES-256, which handles gigabytes per second via CPU-optimized bitwise operations (substitutions, shifts, XORs). Discard the plaintext DEK immediately after; store only the ciphertext and encrypted DEK in your database, like DynamoDB records:",[31,32,37],"pre",{"className":33,"code":35,"language":36},[34],"language-text","{\n  \"user_id\": \"u_12345\",\n  \"encrypted_payload\": \"\u003Cbase64-encoded ciphertext>\",\n  \"encrypted_dek\": \"\u003Cbase64-encoded KMS-encrypted data key>\"\n}\n","text",[26,38,35],{"__ignoreMap":39},"",[22,41,42,43,46],{},"For decryption: Fetch the record, call KMS ",[26,44,45],{},"Decrypt"," on the encrypted DEK to recover the plaintext DEK in memory, decrypt the payload locally with AES-256, then discard the DEK. This keeps KMS calls out of data paths—only one per record lifecycle—while limiting breach impact: a compromised DEK affects only its data, not the master key or other records.",[22,48,49,50,53],{},"RSA complements for key exchange or small payloads (up to 214 bytes for 2048-bit keys, 4KB via ",[26,51,52],{},"Encrypt"," API), but avoid it for bulk due to slow modular exponentiation (hundreds of KB\u002Fs vs. AES's GB\u002Fs). Use RSA public keys for partners to encrypt DEKs securely over email, then decrypt with your private key.",[17,55,57],{"id":56},"master-keys-anchor-trust-with-hardware-isolation-and-controls","Master Keys Anchor Trust with Hardware Isolation and Controls",[22,59,60],{},"KMS master keys (formerly CMKs) reside exclusively in FIPS 140-2 validated HSMs—never exported in plaintext or to application code. Control access via dual IAM policies and key policies, which even block root users if denied. Rotate symmetric keys annually for new material while decrypting old data. Replicate multi-region for DR without changing key IDs.",[22,62,63],{},"Master keys enable:",[65,66,67,73,78,84],"ul",{},[68,69,70,72],"li",{},[26,71,28],{}," for DEKs.",[68,74,75,77],{},[26,76,45],{}," for DEK recovery.",[68,79,80,81,83],{},"Direct ",[26,82,52],{}," for \u003C4KB payloads.",[68,85,86],{},"RSA\u002FECC signing\u002Fverification (2048\u002F3072\u002F4096-bit keys).",[22,88,89],{},"Deletion or disablement irrecoverably locks data, enabling instant revocation.",[17,91,93],{"id":92},"audit-and-compliance-built-into-every-operation","Audit and Compliance Built into Every Operation",[22,95,96],{},"CloudTrail logs all API calls (encrypt\u002Fdecrypt\u002Fgenerate\u002Fdescribe) tamper-resistantly for compliance. Centralized management scales across S3, RDS, EBS, Lambda, DynamoDB, Secrets Manager via IAM\u002Fkey policies. Hardware-backed ops ensure keys stay plaintext-free outside HSMs, eliminating self-managed HSM pitfalls.",{"title":39,"searchDepth":98,"depth":98,"links":99},2,[100,101,102],{"id":19,"depth":98,"text":20},{"id":56,"depth":98,"text":57},{"id":92,"depth":98,"text":93},[104],"DevOps & Cloud",null,"md",false,{"content_references":109,"triage":110},[],{"relevance":111,"novelty":112,"quality":111,"actionability":111,"composite":113,"reasoning":114},4,3,3.8,"Category: AI & LLMs. The article provides a detailed explanation of AWS KMS envelope encryption, which is relevant for developers looking to secure data in AI-powered applications. It offers practical steps for implementing encryption, addressing a specific pain point of ensuring data security in production environments.",true,"\u002Fsummaries\u002F9a9f9ad328728e84-aws-kms-envelope-encryption-secures-data-at-scale-summary","2026-05-08 14:52:29","2026-05-09 15:36:33",{"title":5,"description":39},{"loc":116},"9a9f9ad328728e84","Level Up Coding","article","https:\u002F\u002Flevelup.gitconnected.com\u002Fsecuring-your-data-with-aws-key-management-service-kms-3fd4dccd2a7b?source=rss----5517fd7b58a6---4","summaries\u002F9a9f9ad328728e84-aws-kms-envelope-encryption-secures-data-at-scale-summary",[127,128,129,130],"cloud","devops","encryption","key-management","Encrypt data efficiently with AWS KMS envelope pattern: Use master keys to generate ephemeral AES-256 DEKs for fast local encryption\u002Fdecryption, storing only encrypted DEKs alongside ciphertext for auditable, revocable access.",[129,130],"tm4UdfkNMbaAbn7u72o9O7k5tgJ8oxxTQVwaKxpGAP0",[135,138,141,144,147,150,152,154,156,158,160,162,165,167,169,171,173,175,177,179,181,183,186,189,191,193,196,198,200,203,205,207,209,211,213,215,217,219,221,223,225,227,229,231,233,235,237,239,241,243,245,247,249,251,253,255,257,259,261,263,265,267,269,271,273,275,277,279,281,283,285,287,289,291,293,295,297,299,301,303,305,307,309,311,313,315,317,319,321,323,325,327,329,331,333,335,337,339,341,343,345,347,349,351,353,355,357,359,361,363,365,367,369,371,373,375,377,379,381,383,385,387,389,391,393,395,397,399,401,403,405,407,409,411,413,415,417,419,421,423,425,427,429,431,433,435,437,439,441,443,445,447,449,451,453,455,457,459,461,463,465,467,469,471,473,475,477,479,481,483,485,487,489,491,493,495,497,499,501,503,505,507,509,511,513,515,517,519,521,523,525,527,529,531,533,535,537,539,541,543,545,547,549,551,553,555,557,559,561,563,565,567,569,571,573,575,577,579,581,583,585,587,589,591,593,595,597,599,601,603,605,607,609,611,613,615,617,619,621,623,625,627,629,631,633,635,637,639,641,643,645,647,649,651,653,655,657,659,661,663,665,667,669,671,673,675,677,679,681,683,685,687,689,691,693,695,697,699,701,703,705,707,709,711,713,715,717,719,721,723,725,727,729,731,733,735,737,739,741,743,745,747,749,751,753,755,757,759,761,763,765,767,769,771,773,775,777,779,781,783,785,787,789,791,793,795,797,799,801,803,805,807,809,811,813,815,817,819,821,823,825,827,829,831,833,835,837,839,841,843,845,847,849,851,853,855,857,859,861,863,865,867,869,871,873,875,877,879,881,883,885,887,889,891,893,895,897,899,901,903,905,907,909,911,913,915,917,919,921,923,925,927,929,931,933,935,937,939,941,943,945,947,949,951,953,955,957,959,961,963,965,967,969,971,973,975,977,979,981,983,985,987,989,991,993,995,997,999,1001,1003,1005,1007,1009,1011,1013,1015,1017,1019,1021,1023,1025,1027,1029,1031,1033,1035,1037,1039,1041,1043,1045,1047,1049,1051,1053,1055,1057,1059,1061,1063,1065,1067,1069,1071,1073,1075,1077,1079,1081,1083,1085,1087,1089,1091,1093,1095,1097,1099,1101,1103,1105,1107,1109,1111,1113,1115,1117,1119,1121,1123,1125,1127,1129,1131,1133,1135,1137,1139,1141,1143,1145,1147,1149,1151,1153,1155,1157,1159,1161,1163,1165,1167,1169,1171,1173,1175,1177,1179,1181,1183,1185,1187,1189,1191,1193,1195,1197,1199,1201,1203,1205,1207,1209,1211,1213,1215,1217,1219,1221,1223,1225,1227,1229,1231,1233,1235,1237,1239,1241,1243,1245,1247,1249,1251,1253,1255,1257,1259,1261,1263,1265,1267,1269,1271,1273,1275,1277,1279,1281,1283,1285,1287,1289,1291,1293,1295,1297,1299,1301,1303,1305,1307,1309,1311,1313,1315,1317,1319,1321,1323,1325,1327,1329,1331,1333,1335,1337,1339,1341,1343,1345,1347,1349,1351,1353,1355,1357,1359,1361,1363,1365,1367,1369,1371,1373,1375,1377,1379,1381,1383,1385,1387,1389,1391,1393,1395,1397,1399,1401,1403,1405,1407,1409,1411,1413,1415,1417,1419,1421,1423,1425,1427,1429,1431,1433,1435,1437,1439,1441,1443,1445,1447,1449,1451,1453,1455,1457,1459,1461,1463,1465,1467,1469,1471,1473,1475,1477,1479,1481,1483,1485,1487,1489,1491,1493,1495,1497,1499,1501,1503,1505,1507,1509,1511,1513,1515,1517,1519,1521,1523,1525,1527,1529,1531,1533,1535,1537,1539,1541,1543,1545,1547,1549,1551,1553,1555,1557,1559,1561,1563,1565,1567,1569,1571,1573,1575,1577,1579,1581,1583,1585,1587,1589,1591,1593,1595,1597,1599,1601,1603,1605,1607,1609,1611,1613,1615,1617,1619,1621,1623,1625,1627,1629,1631,1633,1635,1637,1639,1641,1643,1645,1647,1649,1651,1653,1655,1657,1659,1661,1663,1665,1667,1669,1671,1673,1675,1677,1679,1681,1683,1685,1687,1689,1691,1693,1695,1697,1699,1701,1703,1705,1707,1709,1711,1713,1715,1717,1719,1721,1723,1725,1727,1729,1731,1733,1735,1737,1739,1741,1743,1745,1747,1749,1751,1753,1755,1757,1759,1761,1763,1765,1767,1769,1771,1773,1775,1777,1779,1781,1783,1785,1787,1789,1791,1793,1795,1797,1799,1801,1803,1805,1807,1809,1811,1813,1815,1817,1819,1821,1823,1825,1827,1829,1831,1833,1835,1837,1839,1841,1843,1845,1847,1849,1851,1853,1855,1857,1859,1861,1863,1865,1867,1869,1871,1873,1875,1877,1879,1881,1883,1885,1887,1889,1891,1893,1895,1897,1899,1901,1903,1905,1907,1909,1911,1913,1915,1917,1919,1921,1923,1925,1927,1929,1931,1933,1935,1937,1939,1941,1943,1945,1947,1949,1951,1953,1955,1957,1959,1961,1963,1965,1967,1969,1971,1973,1975,1977,1979,1981,1983,1985,1987,1989,1991,1993,1995,1997,1999,2001,2003,2005,2007,2009,2011,2013,2015,2017,2019,2021,2023,2025,2027,2029,2031,2033,2035,2037,2039,2041,2043,2045,2047,2049,2051,2053,2055,2057,2059,2061,2063,2065,2067,2069,2071,2073,2075,2077,2079,2081,2083,2085,2087,2089,2091,2093,2095,2097,2099,2101,2103,2105,2107,2109,2111,2113,2115,2117,2119,2121,2123,2125,2127,2129,2131,2133,2135,2137,2139,2141,2143,2145,2147,2149,2151,2153,2155,2157,2159,2161,2163,2165,2167,2169,2171,2173,2175,2177,2179,2181,2183,2185,2187,2189,2191,2193,2195,2197,2199,2201,2203,2205,2207,2209,2211,2213,2215,2217,2219,2221,2223,2225,2227,2229,2231,2233,2235,2237,2239,2241,2243,2245,2247,2249,2251,2253,2255,2257,2259,2261,2263,2265,2267,2269,2271,2273,2275,2277,2279,2281,2283,2285,2287,22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This eliminates custom hacks like FUSE wrappers or periodic sync scripts, providing low-latency read\u002Fwrite access indistinguishable from local disks for AI\u002FML, data engineering, and DevOps workloads. Under the hood, it leverages S3's metadata for directory structures and supports standard file operations without data migration—your existing buckets work immediately.",[22,3738,3739,3740,3743],{},"To implement, grant IAM roles with s3:PutObject, s3:GetObject, etc., permissions scoped to the bucket prefix, then mount via AWS CLI or SDK: ",[26,3741,3742],{},"aws s3files mount s3:\u002F\u002Fyour-bucket \u002Fmnt\u002Fpoint",". This cuts integration time from hours of scripting to minutes, enabling seamless data access in containerized ML training pipelines or serverless inference.",[17,3745,3747],{"id":3746},"realistic-use-cases-in-aiml-and-devops","Realistic Use Cases in AI\u002FML and DevOps",[22,3749,3750],{},"For AI\u002FML teams, mount training datasets directly into Jupyter on EC2 or SageMaker, avoiding costly EBS volumes or data downloads—process petabyte-scale S3 data at near-native speeds. DevOps benefits include containerized ETL jobs reading\u002Fwriting S3 as local files without volume mounts, and Lambda functions handling file I\u002FO for event-driven processing without temporary storage hacks.",[22,3752,3753],{},"Trade-offs: Strong consistency for small files (\u003C100MB), eventual consistency for large ones; throughput caps at S3's request rates (3,500 PUT\u002FGET per prefix\u002Fsec). Ideal for read-heavy ML feature stores or log processing, less so for high-write transactional DBs.",[17,3755,3757],{"id":3756},"avoid-common-pitfalls-security-cost-data-risks","Avoid Common Pitfalls: Security, Cost, Data Risks",[22,3759,3760],{},"Misconfigurations amplify S3's pitfalls: Broad IAM policies expose buckets publicly—use least-privilege with bucket policies denying public access and encrypting at-rest\u002Ftransit. Costs spike from unoptimized PUTs (e.g., frequent small writes); batch operations and use Intelligent-Tiering to mitigate, monitoring via CloudWatch for >$0.023\u002FGB PUT fees.",[22,3762,3763,3764,3767],{},"Data loss hits from concurrent writes without locks—implement app-level semaphores or use S3 atomic operations. Test mounts in staging: unmount with ",[26,3765,3766],{},"aws s3files unmount \u002Fmnt\u002Fpoint"," to verify no corruption. Always enable versioning and MFA-delete on production buckets.",{"title":39,"searchDepth":98,"depth":98,"links":3769},[3770,3771,3772],{"id":3732,"depth":98,"text":3733},{"id":3746,"depth":98,"text":3747},{"id":3756,"depth":98,"text":3757},[104],{"content_references":3775,"triage":3776},[],{"relevance":3777,"novelty":111,"quality":111,"actionability":111,"composite":3778,"reasoning":3779},5,4.35,"Category: DevOps & Cloud. The article provides a detailed explanation of how AWS S3 Files can be used to enhance AI\u002FML workflows by transforming S3 buckets into file systems, addressing a specific pain point for developers looking to streamline data access. It includes practical implementation steps and highlights potential pitfalls, making it actionable for the target audience.","\u002Fsummaries\u002F73f55123201134f9-mount-s3-buckets-as-file-systems-with-aws-s3-files-summary","2026-04-18 18:01:01","2026-04-19 01:22:18",{"title":3722,"description":39},{"loc":3780},"73f55123201134f9","Towards AI","https:\u002F\u002Fpub.towardsai.net\u002Faws-s3-files-explained-the-smarter-way-to-turn-s3-buckets-into-file-systems-3459560f7046?source=rss----98111c9905da---4","summaries\u002F73f55123201134f9-mount-s3-buckets-as-file-systems-with-aws-s3-files-summary",[128,127],"AWS S3 Files mounts buckets directly as file systems on EC2, containers, and Lambda—eliminating FUSE hacks and sync scripts for AI\u002FML workflows, but misconfigurations risk exposing, corrupting, or losing data.",[],"i9cGWnIzxtJTktm1csYQQ2MxZ9wdsHkt8i8DFEsZ0tQ",{"id":3794,"title":3795,"ai":3796,"body":3801,"categories":3827,"created_at":105,"date_modified":105,"description":39,"extension":106,"faq":105,"featured":107,"kicker_label":105,"meta":3828,"navigation":115,"path":3832,"published_at":3833,"question":105,"scraped_at":3834,"seo":3835,"sitemap":3836,"source_id":3837,"source_name":122,"source_type":123,"source_url":3838,"stem":3839,"tags":3840,"thumbnail_url":105,"tldr":3841,"tweet":105,"unknown_tags":3842,"__hash__":3843},"summaries\u002Fsummaries\u002F71dc58e232e9091c-zero-leak-debt-kill-100-leaked-secrets-platform-wi-summary.md","Zero Leak Debt: Kill 100+ Leaked Secrets Platform-Wide",{"provider":7,"model":8,"input_tokens":3797,"output_tokens":3798,"processing_time_ms":3799,"cost_usd":3800},3867,1345,10526,0.00142325,{"type":14,"value":3802,"toc":3823},[3803,3807,3810,3813,3817,3820],[17,3804,3806],{"id":3805},"leak-debt-persists-for-years-undermining-platforms","Leak Debt Persists for Years, Undermining Platforms",[22,3808,3809],{},"Leaked secrets accumulate as 'leak debt,' remaining active long after exposure—transaction keys from 2022 continued processing payments undetected. Every platform accumulates this debt differently based on stack, but it kills security and reliability. The author shares hands-on experience eliminating 100+ live leaks across local development, CI\u002FCD pipelines, and production environments, revealing a universal pattern: sprawl leads to chaos until teams commit to zero tolerance.",[22,3811,3812],{},"Static secrets create ongoing risks because they expire unexpectedly or demand manual rotation, amplifying vulnerabilities. Platforms suffer uniquely—GitOps teams battle repo exposures, service meshes grapple with identity issues—but all chase the same outcome: secrets that self-manage without human intervention.",[17,3814,3816],{"id":3815},"ruthless-audit-and-prevention-path-to-zero-debt","Ruthless Audit and Prevention Path to Zero Debt",[22,3818,3819],{},"Transition from chaos requires three steps: discover the mess through comprehensive scans, audit ruthlessly to prioritize live threats (e.g., still-valid 2022 keys), and enforce prevention via dynamic tools. Teams adopt stack-specific solutions like HashiCorp Vault for centralized management, AWS or GCP Secrets Manager for cloud-native rotation, Sealed Secrets for GitOps, or SPIFFE for service meshes.",[22,3821,3822],{},"This isn't a generic checklist but proven patterns from production battles: replace static secrets entirely to eliminate leak debt. Outcomes include no leaks, automatic rotation, and zero manual interventions, securing platforms end-to-end. The content cuts off mid-journey but emphasizes sharing these learnings for peer teams facing identical sprawl.",{"title":39,"searchDepth":98,"depth":98,"links":3824},[3825,3826],{"id":3805,"depth":98,"text":3806},{"id":3815,"depth":98,"text":3816},[104],{"content_references":3829,"triage":3830},[],{"relevance":111,"novelty":112,"quality":111,"actionability":111,"composite":113,"reasoning":3831},"Category: DevOps & Cloud. The article addresses a specific pain point regarding the management of leaked secrets, which is crucial for maintaining security in AI-powered products. It provides actionable steps for auditing and preventing leak debt, making it relevant for developers and product builders.","\u002Fsummaries\u002F71dc58e232e9091c-zero-leak-debt-kill-100-leaked-secrets-platform-wi-summary","2026-04-15 14:55:38","2026-04-15 15:38:58",{"title":3795,"description":39},{"loc":3832},"71dc58e232e9091c","https:\u002F\u002Flevelup.gitconnected.com\u002Fmost-leaked-secrets-live-for-years-the-hidden-leak-debt-killing-your-platform-47e74da51697?source=rss----5517fd7b58a6---4","summaries\u002F71dc58e232e9091c-zero-leak-debt-kill-100-leaked-secrets-platform-wi-summary",[128,127],"Leaked secrets from 2022 still process payments as 'leak debt'; ruthlessly audit across local dev, CI\u002FCD, and production to reach zero static secrets that never leak, expire unexpectedly, or need manual rotation.",[],"vQXjNu8RKmXyJRZqlJVXzlosWzob2FyNxRtplwh2n3E",{"id":3845,"title":3846,"ai":3847,"body":3852,"categories":3888,"created_at":105,"date_modified":105,"description":39,"extension":106,"faq":105,"featured":107,"kicker_label":105,"meta":3889,"navigation":115,"path":3903,"published_at":3904,"question":105,"scraped_at":3904,"seo":3905,"sitemap":3906,"source_id":3907,"source_name":3908,"source_type":123,"source_url":3909,"stem":3910,"tags":3911,"thumbnail_url":105,"tldr":3913,"tweet":105,"unknown_tags":3914,"__hash__":3915},"summaries\u002Fsummaries\u002Fa2a811b50a4c64f5-mrc-resilient-networking-for-100k-gpu-ai-training-summary.md","MRC: Resilient Networking for 100K+ GPU AI Training",{"provider":7,"model":8,"input_tokens":3848,"output_tokens":3849,"processing_time_ms":3850,"cost_usd":3851},9014,2044,25377,0.0028023,{"type":14,"value":3853,"toc":3882},[3854,3858,3861,3865,3868,3872,3875,3879],[17,3855,3857],{"id":3856},"multi-plane-topologies-slash-switch-tiers-and-power-for-massive-clusters","Multi-Plane Topologies Slash Switch Tiers and Power for Massive Clusters",[22,3859,3860],{},"Traditional 800Gb\u002Fs networks require three or four tiers of switches to connect over 100,000 GPUs, increasing power use, failure points, and cost. MRC splits each 800Gb\u002Fs interface into eight 100Gb\u002Fs links, creating eight parallel 'planes' that connect to separate switches. A 64-port 800Gb\u002Fs switch now handles 512 ports at 100Gb\u002Fs, enabling full connectivity for 131,000 GPUs using only two tiers. This design boosts path diversity—keeping more traffic local to Tier 0 switches—while cutting components, power, and cost compared to single-plane setups. Without changes, single-path flows (like classic RoCE) still congest links as flows collide, especially in AI's collective communications where worst-case latency stalls synchronous training.",[17,3862,3864],{"id":3863},"packet-spraying-and-srv6-eliminate-congestion-and-dynamic-routing","Packet Spraying and SRv6 Eliminate Congestion and Dynamic Routing",[22,3866,3867],{},"MRC sprays packets from a single transfer across hundreds of paths spanning all planes, using final memory addresses for out-of-order reassembly at the destination. Adaptive load-balancing monitors paths: congestion triggers path swaps, packet loss retires the path (with probes for recovery), and 'packet trimming' at switches forwards headers only during destination congestion to prompt retransmits without false failure alarms. This achieves microsecond failure detection and rerouting, versus seconds for traditional fabrics. MRC replaces BGP dynamic routing with static SRv6 source routing: senders embed full switch ID sequences in IPv6 addresses. Switches shift addresses and follow pre-configured static tables, blindly forwarding without recomputing routes. Failures simply retire paths at endpoints, simplifying control planes and eliminating routing bugs from switch software.",[17,3869,3871],{"id":3870},"production-impact-zero-measurable-downtime-amid-constant-failures","Production Impact: Zero-Measurable Downtime Amid Constant Failures",[22,3873,3874],{},"In OpenAI's NVIDIA GB200 supercomputers (including OCI's Abilene Stargate site and Microsoft's Fairwater), MRC handles millions of links with frequent flaps—multiple per minute between tiers—yet synchronous pretraining jobs show no measurable impact, allowing deferred repairs. Rebooting four Tier-1 switches or repairing links during jobs requires no coordination; MRC avoids bad paths automatically. Real training data shows quick recovery from full T1 switch loss with temporary slowdowns far less than physical capacity loss (e.g., one failed port on an 8-port interface reduces max rate by 1\u002F8th but sustains better effective throughput via path recalculation). Multi-job clusters avoid inter-job interference due to core-wide congestion elimination, maximizing GPU utilization for frontier models like those powering ChatGPT (900M weekly users).",[17,3876,3878],{"id":3877},"strategic-wins-simpler-stacks-for-stargate-scale-compute","Strategic Wins: Simpler Stacks for Stargate-Scale Compute",[22,3880,3881],{},"MRC delivers three edges: two-tier multi-plane redundancy with lower power; zero core congestion for consistent flow throughput in sync training; and SRv6 for instant failure bypass via static planes. Deployed with AMD, Broadcom, Intel, Microsoft, NVIDIA hardware, it's released via Open Compute Project for industry adoption, supporting OpenAI's compute strategy of shared standards to scale AI infrastructure efficiently.",{"title":39,"searchDepth":98,"depth":98,"links":3883},[3884,3885,3886,3887],{"id":3856,"depth":98,"text":3857},{"id":3863,"depth":98,"text":3864},{"id":3870,"depth":98,"text":3871},{"id":3877,"depth":98,"text":3878},[104],{"content_references":3890,"triage":3900},[3891,3896],{"type":3892,"title":3893,"url":3894,"context":3895},"other","OCP MRC 1.0","https:\u002F\u002Fwww.opencompute.org\u002Fdocuments\u002Focp-mrc-1-0-pdf","mentioned",{"type":3897,"title":3898,"url":3899,"context":3895},"paper","Resilient AI Supercomputer Networking using MRC and SRv6","https:\u002F\u002Fcdn.openai.com\u002Fpdf\u002Fresilient-ai-supercomputer-networking-using-mrc-and-srv6.pdf",{"relevance":112,"novelty":112,"quality":111,"actionability":98,"composite":3901,"reasoning":3902},3.05,"Category: DevOps & Cloud. The article discusses the MRC protocol's innovative networking solutions for AI training, which could be relevant for those building AI-powered products. However, it lacks direct actionable insights for the audience, focusing more on technical specifications than practical applications.","\u002Fsummaries\u002Fa2a811b50a4c64f5-mrc-resilient-networking-for-100k-gpu-ai-training-summary","2026-05-11 15:04:27",{"title":3846,"description":39},{"loc":3903},"a2a811b50a4c64f5","OpenAI News","https:\u002F\u002Fopenai.com\u002Findex\u002Fmrc-supercomputer-networking","summaries\u002Fa2a811b50a4c64f5-mrc-resilient-networking-for-100k-gpu-ai-training-summary",[3912,128,127],"machine-learning","OpenAI's MRC protocol uses multi-plane topologies and packet spraying across hundreds of paths with SRv6 source routing to eliminate congestion, route around failures in microseconds, and connect 131k GPUs with just two switch tiers, enabling non-stop frontier model training.",[],"BYXvfLzxxajQIir95xuUTVdTfvID4wPt3TOVHNxrCSU",{"id":3917,"title":3918,"ai":3919,"body":3924,"categories":3961,"created_at":105,"date_modified":105,"description":39,"extension":106,"faq":105,"featured":107,"kicker_label":105,"meta":3962,"navigation":115,"path":3972,"published_at":3973,"question":105,"scraped_at":3974,"seo":3975,"sitemap":3976,"source_id":3977,"source_name":3978,"source_type":123,"source_url":3979,"stem":3980,"tags":3981,"thumbnail_url":105,"tldr":3982,"tweet":105,"unknown_tags":3983,"__hash__":3984},"summaries\u002Fsummaries\u002F30072e6e8b386729-mrc-openai-s-protocol-for-resilient-ai-training-ne-summary.md","MRC: OpenAI's Protocol for Resilient AI Training Networks",{"provider":7,"model":8,"input_tokens":3920,"output_tokens":3921,"processing_time_ms":3922,"cost_usd":3923},8465,1915,20569,0.00214365,{"type":14,"value":3925,"toc":3956},[3926,3930,3933,3936,3939,3943,3946,3949,3953],[17,3927,3929],{"id":3928},"multipath-mechanisms-eliminate-congestion-and-enable-fast-recovery","Multipath Mechanisms Eliminate Congestion and Enable Fast Recovery",[22,3931,3932],{},"In large AI training clusters, network congestion, link failures, and jitter cause GPU idle time, amplifying costs as clusters scale to millions of data transfers per step. MRC builds on RoCEv2 for hardware-accelerated RDMA over Ethernet and SRv6 for static source routing, shifting intelligence to NICs while switches follow pre-configured paths blindly. This avoids interference from dynamic routing.",[22,3934,3935],{},"Adaptive packet spraying distributes packets across hundreds of paths at the NIC level, achieving higher bandwidth, reduced tail latency, and packet-level load balancing—unlike single-path RoCEv2. For failures, MRC detects issues in microseconds and reroutes: if an 8-port 800Gb\u002Fs NIC loses one port, it drops to 7\u002F8 capacity but recalculates paths instantly, notifies peers to avoid the failed plane, and restores it within a minute upon recovery. Conventional fabrics take seconds to tens of seconds, often crashing jobs; MRC keeps training alive with minimal performance hit.",[22,3937,3938],{},"AMD's NSCC congestion control integrates via UEC specs, preserving RDMA semantics while adding multipath support.",[17,3940,3942],{"id":3941},"multi-plane-architecture-cuts-tiers-costs-and-latency","Multi-Plane Architecture Cuts Tiers, Costs, and Latency",[22,3944,3945],{},"MRC reimagines NICs as multiple smaller links (e.g., one 800Gb\u002Fs interface split into eight 100Gb\u002Fs to eight switches), enabling a two-tier Clos network for 131,000 GPUs versus three-to-four tiers in 800Gb\u002Fs designs. Longest paths cross three switches instead of five-to-seven, slashing latency.",[22,3947,3948],{},"For full bisection bandwidth, this uses 2\u002F3 the optics and 3\u002F5 the switches of three-tier networks, reducing power, cost, and failure blast radius. A tier-1 switch failure (e.g., rebooting four during training) no longer halts jobs.",[17,3950,3952],{"id":3951},"production-on-named-hardware-across-openai-clusters","Production on Named Hardware Across OpenAI Clusters",[22,3954,3955],{},"Deployed on 400\u002F800Gb\u002Fs RDMA NICs like NVIDIA ConnectX-8, AMD Pollara\u002FVulcano, Broadcom Thor Ultra; SRv6 switches include NVIDIA Spectrum-4\u002F5 (Cumulus\u002FSONiC) and Broadcom Tomahawk 5 (Arista EOS). Powers NVIDIA GB200 supercomputers in OpenAI's Stargate (OCI Abilene, TX) and Microsoft's Fairwater (Atlanta\u002FWisconsin), training ChatGPT and Codex models without job interruptions from failures.",{"title":39,"searchDepth":98,"depth":98,"links":3957},[3958,3959,3960],{"id":3928,"depth":98,"text":3929},{"id":3941,"depth":98,"text":3942},{"id":3951,"depth":98,"text":3952},[104],{"content_references":3963,"triage":3970},[3964,3966],{"type":3897,"title":3898,"url":3899,"context":3965},"cited",{"type":3892,"title":3967,"url":3968,"context":3969},"MRC Supercomputer Networking Technical Details","https:\u002F\u002Fopenai.com\u002Findex\u002Fmrc-supercomputer-networking\u002F","recommended",{"relevance":112,"novelty":112,"quality":111,"actionability":98,"composite":3901,"reasoning":3971},"Category: AI & LLMs. The article discusses OpenAI's MRC protocol, which is relevant to AI infrastructure but lacks direct applicability for product builders looking for actionable insights. While it presents some new technical details about network optimization for AI training, it does not provide practical steps or frameworks that the audience can implement.","\u002Fsummaries\u002F30072e6e8b386729-mrc-openai-s-protocol-for-resilient-ai-training-ne-summary","2026-05-07 07:50:02","2026-05-07 11:24:11",{"title":3918,"description":39},{"loc":3972},"30072e6e8b386729","MarkTechPost","https:\u002F\u002Fwww.marktechpost.com\u002F2026\u002F05\u002F07\u002Fopenai-introduces-mrc-multipath-reliable-connection-a-new-open-networking-protocol-for-large-scale-ai-supercomputer-training-clusters\u002F","summaries\u002F30072e6e8b386729-mrc-openai-s-protocol-for-resilient-ai-training-ne-summary",[3912,128,127],"OpenAI's MRC extends RoCE with multipath spraying, microsecond failure recovery via SRv6, and multi-plane designs to deliver predictable performance in 131k-GPU clusters, using 2\u002F3 fewer optics and 3\u002F5 fewer switches than traditional setups.",[],"XbDsma4E_5cuB3WLtPi6GgqSNlQtb2CdSK-eHkIrlrc"]