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 - [ETH Zurich: Distributed Systems](http://dcg.ethz.ch/lectures/podc_allstars/)
 - [ETH Zurich: Distributed Systems Part 2](http://dcg.ethz.ch/lectures/distsys), covers  Distributed control algorithms, communication models, fault-tolerance among other things. In particular fault tolerance issues (models, consensus, agreement) and replication issues (2PC,3PC, Paxos), which are critical in understanding distributed systems are explained in great detail.
 - [Distributed Systems Course](http://www.distributedsystemscourse.com/), A beginner course on distributed system by Chris Colohan, A google employee who contributed to  SUIF, MapReduce, TCMalloc, Percolator, Caffeine, Borg, Omega, and Piper.
-- [MIT 6.824](https://www.youtube.com/playlist?list=PLrw6a1wE39_tb2fErI4-WkMbsvGQk9_UB), MIT distributed system lectures, in each video they discuss papers like GFS, Zookeeper, RAFT, Spanner...
+- [MIT 6.824](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-824-distributed-computer-systems-engineering-spring-2006/), [Youtube-playlist](https://www.youtube.com/playlist?list=PLrw6a1wE39_tb2fErI4-WkMbsvGQk9_UB) MIT distributed system lectures, in each video they discuss papers like GFS, Zookeeper, RAFT, Spanner...
 
 
 ## Blogs and other reading links