Bureaucrats, dave_user, Administrators
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→Inter-world communication
Different solutions have been evaluated - including but not limited to
''OP-TEE''<ref name="OP-TEE">''Open Portable Trusted Execution Environment'', https://www.linaro.org/blog/core-dump/op-tee-open-source-security-mass-market/</ref>,
''Dual-OS communicationdualoscom''<ref name="Sangorrin's thesis">Daniel Sangorrin Lopez, ''Advanced integration techniques for highly reliable dual-os embedded systems'', Nagoya University (Japan), 27th July 2012, [http://ir.nul.nagoya-u.ac.jp/jspui/bitstream/2237/16907/1/k9888.pdf</ref>,
''RPMsg''<ref name="RPMsg-TI">http://omappedia.org/wiki/Category:RPMsg</ref>, <ref name="RPMsg-linux">https://lwn.net/Articles/464391/</ref>
and ''OpenAMP''<ref name="OpenAMP">https://github.com/OpenAMP/open-amp</ref>- and the choice has fallen on RPMsg that has been considered the best compromise among the available options. It should be recalled that this choice is reversible, in the sense that if application-specific requirements can not be met by RPMsg, <u>it can be replaced by a different communication scheme</u>.