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kronosnet v1.3 released
by Fabio M. Di Nitto 23 Apr '18

23 Apr '18

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 All, We are pleased to announce the general availability of kronosnet v1.3 kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performances compared to the old network protocol. Highlights in this release: * Fix potential crashes in the crypto code Known issues in this release: * none The source tarballs can be downloaded here: https://www.kronosnet.org/releases/ Upstream resources and contacts: https://kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://trello.com/kronosnet (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Freenode https://lists.kronosnet.org/mailman/listinfo/users https://lists.kronosnet.org/mailman/listinfo/devel https://lists.kronosnet.org/mailman/listinfo/commits Cheers, The knet developer team -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJa3XEbAAoJEAgUGcMLQ3qJCBoP/3w58vloZ8ZumNLOTB2HDf4I UazCcASsdPxguqgg3kS7Dn9Rs7XmMkABDUTZk7cu96vBNn5Hx2v86m+UelDegQ3b PJ/hZU9nD7/LKS/xjiL53pZ0go35PxLMDz26GhnUlWhHHYfee96g1JQjPx0Wbb6v 6G/9iFmQAqWWToP/9pujE4FegAXXKckB7VVy/bfJlkNU/I7RSQo/cniJq5Sr+U95 I10YgnaraJkZVVV0LS4oGV006rV0D00+kSEluIflZF3/q7JQujnF8c3J9IltqQsp XtP8SmXJO7Qyg5UfkAoeYyzgVpJfd+FOb4nKG0NZFb6BH5G558L1wBWHsmzniMWr Ih7CVxg2gTKqCPgl+OLHcx856sR3YuNnU5el7xWaN5Q2otzYzpltprZhCFGbVBLO nWVhBtjB1v3kbIoBXcpK89q9CMDsAbIOlwBmeh4Y8oaiHjjHwj557rWM5C2X4g5A bVGSsBWNuR2ux3QFIva0m1BpDJ7qXkkuElTzfiF4d6Hwddqtn0LEeBa/i0KeIzJC YnLK4dDqID/PD3RnueJWLiLSTkO1t58vjWuGapYjUGICKuh7Eu4sb4/sBiPB8jkc e1OI+TVLOxZLB8fG2IKAcZpjCfsC/rPUDUaAHWN6rQIjFxhgN+POlVV86E9zv4Q5 ZBZ02v9eI3Y9CGeEAzV/ =aEP/ -----END PGP SIGNATURE-----

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kronosnet v1.2 released
by Fabio M. Di Nitto 19 Apr '18

19 Apr '18

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 All, We are pleased to announce the general availability of kronosnet v1.2 kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performances compared to the old network protocol. Highlights in this release: * Fix a potential crash when using external destination handlers * Improve compression level validation by delegating the validation to the external compression library * Improve the build system to accommodate repeatable builds Known issues in this release: * none The source tarballs can be downloaded here: https://www.kronosnet.org/releases/ Upstream resources and contacts: https://kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://trello.com/kronosnet (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Freenode https://lists.kronosnet.org/mailman/listinfo/users https://lists.kronosnet.org/mailman/listinfo/devel https://lists.kronosnet.org/mailman/listinfo/commits Cheers, The knet developer team -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJa2ArMAAoJEAgUGcMLQ3qJmZAP/2v8mn4sAsOHOJHnK88K0wym Zka8Tg/ptQFSFSxg82EDXyT47rnRkwVWg+t8sINfKRX3/kPvCZLcGikmjFMKsElt c8pWEs3GmHTEAWcp2I/fppQb2HBsDN6f+QIhwQwjhQidavj8s+Xk11qrY2zfjBXw H3in6X+Mo1BQ9iLfJpaQKT61ogD5/vSmiVq4Wi06vXv120wrA2Yc9nYJ6gtZy3oH Y+lm+E55zdaCcdvDnWqJrq+pjAJ73jpm7hZrbfPeIjO53VZeUoVe2C/5wxnt/6hB 1+oMne5/g6Sn4yjmw0PEVcNRnnBZNqmTvjVT5ELh+7b0Mfj5GmJFjP9VvUXcOoLG gkpG0aPwAXbpttIY15RsaRdFJ+oLSgWW2688TNqguTSHyQ4Q25Y7u1o7P6sRCACi +U7s+8wWqBYK9xWy+haHOhUcSeWzM3IpKGxkMvu29m8Bi0exu8WmHIyHgsymHlxX VNy8wtUZsSz3RsTRBnGHrJaMImhDYArYm70J6zrUUkesrm06uywQ4vd5t1z8+92z 8+COf8gXCTzsiTHG3XItkwMnT2GcoJxQ8hety+7ALwcmt0KathcEtzzxbA9nLede wgvaNiWxi/0/vJwLPDHeyHg8wh6OBCNwbtNZAMJRr7gVTGdWvVDYWYzNJ7rOMN1o RCY1NeZSKnzirsOQzdkv =fRTG -----END PGP SIGNATURE-----

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kronosnet v1.1 released
by Fabio M. Di Nitto 25 Feb '18

25 Feb '18

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 All, We are pleased to announce the general availability of kronosnet v1.1 kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performances compared to the old network protocol. Highlights in this release: * Fix plugins loader by switching from RPATH to RUNPATH * Man pages are now automatically generated at build time * Better error reporting from crypto plugins * Fix and improve the whole build system * Add support for some older lz4 versions * Fix issue with UDP sockets that could cause knet to spin * Add new API call to run knet unprivileged Known issues in this release: * When configuring compression plugins, the compress_level checks are not always aligned with what the underlying library can really do. This has been discussed over the devel mailing list and will be fixed in libknet 1.2. Only compression advanced users might notice this problem. * Tarballs downloaded directly from github will fail to build (https://github.com/kronosnet/kronosnet/issues/133) please use the official release tarballs or git clone. The source tarballs can be downloaded here: https://www.kronosnet.org/releases/ Upstream resources and contacts: https://kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://trello.com/kronosnet (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Freenode https://lists.kronosnet.org/mailman/listinfo/users https://lists.kronosnet.org/mailman/listinfo/devel https://lists.kronosnet.org/mailman/listinfo/commits Cheers, The knet developer team -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJakkMqAAoJEAgUGcMLQ3qJfEoQALFAOk+znEqv4ogrGeD22VeT OL0ihimnW+lW9RjTe04B0VFPonAKFPZ3NmQ9XngaX+XSyvm6NCujpz9LckPc30WZ MYwD5LJcmeHqHUNfmLTX0wuvkoairiKQNtak26e+6Bt7wfTZ8fzKF3eFKrfJQ8w7 AvBOL8WVzR4v6Jc21/X2IZN1Bn7y2mIJTfnDPwNxFxNi6mfOLkA+OAc9ivjQZADe XPl0sqzBaaRxg9DrI4XgQxkV1sdwQ6elpL/jd+jKiQ8CfX8zOr6FX7SXTpnbwbmS 2OMzWPCXYxSiJUKWGpJtzn9QkHNrTpDiP3mDQ6KCEEt3o/XXSfkFI/bTuvTtuc/n R+ki/KhT2FqU/ZmgDmFQmHn1r7r70c/8i8i2GC1+FVYN63rGlofCroY3KZjvFewY sYLQKXm4zCvR5BZnonpTz2Mf/ISTNzCuaDwxIJKXAO+ksuot8uU54uBiYf4mR/Uu FuSSaNmiLHYqmEjVHF7V8c7gA4az7gYSV77oNP/y6bECxSrVA0NmXAraYzoIwG01 WsPEobZ4UXRYWggTu16G+xP8EpUiyxDtaJsTy/Kgp5qMqY1aRr5s4u7A6k3/M+HH ZdFtr5V2dGlR8cqYbkVt4Uayw2UgAULTeNsTGTPgNl5woboKAkomTkWUnh2pAbey wbPF6bQBtMDasmaPideX =zqHY -----END PGP SIGNATURE-----

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kronosnet v1.0 released
by Fabio M. Di Nitto 09 Jan '18

09 Jan '18

All, We are pleased to announce the general availability of kronosnet v1.0 kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performances compared to the old network protocol. The source tarballs can be downloaded here: https://www.kronosnet.org/releases/ Upstream resources and contacts: https://kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://trello.com/kronosnet (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Freenode https://lists.kronosnet.org/mailman/listinfo/users https://lists.kronosnet.org/mailman/listinfo/devel https://lists.kronosnet.org/mailman/listinfo/commits Known issues in this release: * Knet will fail to work on Fedora 26 arm when built with clang. This is a known issue with clang compiler that is fixed in more recent versions of clang. * Knet will fail to build with clang on rhel7 + epel version of clang. This is a known issue with clang compiler that is fixed in more recent versions of clang. * Running the knet test suite with valgrind (make check-memcheck) will fail with Debian Experimental glibc due to a known bug in valgrind. * Running the knet test suite with valgrind on FreeBSD is no longer supported. The valgrind version on FreeBSD is too old and generates too many false positives. Also, please refer to build-aux/check.mk on how to use valgrind in combination with knet. Some platforms requires extra options to work properly. * If you are planning to develop plugins, please be aware of this issue: https://github.com/kronosnet/kronosnet/issues/107 . It affects only development environments. Cheers, The knet developer team

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Any throughput comparison to OpenVPN out there?
by Jan Pokorný 04 Jan '18

04 Jan '18

Hello, recently, I've come across this test comparing OpenVPN vs. SSH tunnelling: http://blog.backslasher.net/ssh-openvpn-tunneling.html so natutally, I guess it would be interesting to perform similar test cases in a Kronosnet - OpenVPN duel so that the expectations are set for "VPN on steroids" and perhaps the limitations are identified if the results are too far from "on par". (Just saying, not doing, I wouldn't go too far in tweaking kronosnet for the best results possible, I'm afraid). -- Jan (Poki)

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kronosnet v0.9 (aka 1.0 Release Candidate 1) released
by Fabio M. Di Nitto 16 Dec '17

16 Dec '17

All, We are pleased to announce the second public release candidate of kronosnet v1.0 - which we are calling v0.9 kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performances compared to the old network protocol. The source tarballs can be downloaded here: https://www.kronosnet.org/releases/ Upstream resources and contacts: https://kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://trello.com/kronosnet (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Freenode https://lists.kronosnet.org/mailman/listinfo/users https://lists.kronosnet.org/mailman/listinfo/devel https://lists.kronosnet.org/mailman/listinfo/commits Known issues in this release: * Knet will fail to work on Fedora 26 arm when built with clang. This is a known issue with clang compiler that is fixed in more recent versions of clang. * Knet will fail to build with clang on rhel7 + epel version of clang. This is a known issue with clang compiler that is fixed in more recent versions of clang. * Applications performing configuration changes might experience a long waiting time when calling into the knet API. This is a known interaction issue between the PMTUd thread inside knet and external API locking. https://trello.com/c/uPMjKRYy/847-fix-pmtud-locking-with-external-api * Running the knet test suite with valgrind (make check-memcheck) will fail with Debian Experimental glibc due to a known bug in valgrind. * Running the knet test suite with valgrind on FreeBSD is no longer supported. The valgrind version on FreeBSD is too old and generates too many false positives. Also, please refer to build-aux/check.mk on how to use valgrind in combination with knet. Some platforms requires extra options to work properly. Cheers, The knet developer team

1 0

kronosnet v0.8 (aka 1.0 Beta) released
by Fabio M. Di Nitto 27 Oct '17

27 Oct '17

All, We are pleased to announce the first public beta of kronosnet v1.0 - which we are calling v0.8 (to make distro packager life a bit easier :-)) kronosnet (or knet for short) is the new underlying network protocol for Linux HA components (corosync), that features ability to use multiple links between nodes, active/active and active/passive link failover policies, automatic link recovery, FIPS compliant encryption (nss and/or openssl), automatic PMTUd and in general better performances compared to the old network protocol. The source tarballs can be downloaded here: http://www.kronosnet.org/releases/ Upstream resources and contacts: http://www.kronosnet.org/ https://github.com/kronosnet/kronosnet/ https://ci.kronosnet.org/ https://trello.com/kronosnet (TODO list and activities tracking) https://goo.gl/9ZvkLS (google shared drive with presentations and diagrams) IRC: #kronosnet on Freenode http://lists.kronosnet.org/mailman/listinfo/users http://lists.kronosnet.org/mailman/listinfo/devel http://lists.kronosnet.org/mailman/listinfo/commits Known issues in this release: * FreeBSD port currently does not work https://trello.com/c/fJSU31Fa/122-fix-port-to-freebsd * Missing developer documentation / best practice and .3 man pages https://trello.com/c/HxL2JIFI/32-add-documentation https://trello.com/c/d5nk9rLS/30-add-3-man-pages Cheers, The knet developer team

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Mailing list test
by Federico Simoncelli 30 Sep '10

30 Sep '10

Hi, this is a test. -- Federico

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