The link checker at: http://validator.w3.org/checklink, reports the following redirects:
Line: 1637 http://www.oasis-open.org/committees/comments/index.php?wg_abbrev=mqtt redirected to https://www.oasis-open.org/committees/comments/index.php?wg_abbrev=mqtt
Status: 301 -> 200 OK
warning Line: 1728 http://www.oasis-open.org/ redirected to https://www.oasis-open.org/
Status: 301 -> 200 OK
warning Line: 1733 http://www.oasis-open.org/policies-guidelines/trademark redirected to https://www.oasis-open.org/policies-guidelines/trademark
Status: 301 -> 200 OK
warning Line: 1645 http://www.oasis-open.org/committees/mqtt/ipr.php redirected to https://www.oasis-open.org/committees/mqtt/ipr.php
Status: 301 -> 200 OK
warning Lines: 1542, 1640 http://www.oasis-open.org/committees/mqtt/ redirected to https://www.oasis-open.org/committees/mqtt/
Status: 301 -> 200 OK
warning Line: 1672 http://www.oasis-open.org/policies-guidelines/ipr redirected to https://www.oasis-open.org/policies-guidelines/ipr
Status: 301 -> 200 OK