1Copyright (c) 2011 IETF Trust and the persons identified as
2authors of the code.  All rights reserved.
3
4Redistribution and use in source and binary forms, with or
5without modification, are permitted provided that the following
6conditions are met:
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8- Redistributions of source code must retain the above
9  copyright notice, this list of conditions and
10  the following disclaimer.
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12- Redistributions in binary form must reproduce the above
13  copyright notice, this list of conditions and the following
14  disclaimer in the documentation and/or other materials provided
15  with the distribution.
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17- Neither the name of Internet Society, IETF or IETF Trust, nor
18  the names of specific contributors, may be used to endorse or
19  promote products derived from this software without specific
20  prior written permission.
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22THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
23CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
24INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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28SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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30LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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33OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
34EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35