- Calico : pure L3 approach to data center networking. It uses BGP route management rather than an encapsulating overlay network, and thus avoids NAT and port proxies, doesn't require a fancy virtual switch setup, and supports IPv6. Looks like a viable probably more scalable alternative to virtual switch approach.
- Futex bug : The linux futex_wait call has been broken for about a year (in upstream since 3.14, around Jan 2014), and has just recently been fixed (in upstream 3.18, around October 2014). More importantly this breakage seems to have been back ported into major distros (e.g. into RHEL 6.6 and its cousins, released in October 2014), and the fix for it has only recently been back ported (e.g. RHEL 6.6.z and cousins have the fix).
- There is No Now : explore the problem with simultaneity in distributed systems
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Wednesday, May 27, 2015
Links of the day 27 - 05 - 2015
Today's links 27/05/2015: L3 #datacenter #networking, #Linux futex #bug, Distributed system simultaneity problem
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distributed system
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linux
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