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65 lines
2.8 KiB
Groff
65 lines
2.8 KiB
Groff
.\"/*
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.\" * Copyright (c) 2006 Red Hat, Inc.
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.\" *
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.\" * All rights reserved.
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.\" *
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.\" * Author: Patrick Caulfield <pcaulfie@redhat.com>
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.\" *
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.\" * This software licensed under BSD license, the text of which follows:
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.\" *
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.\" * Redistribution and use in source and binary forms, with or without
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.\" * modification, are permitted provided that the following conditions are met:
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.\" *
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.\" * - Redistributions of source code must retain the above copyright notice,
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.\" * this list of conditions and the following disclaimer.
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.\" * - Redistributions in binary form must reproduce the above copyright notice,
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.\" * this list of conditions and the following disclaimer in the documentation
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.\" * and/or other materials provided with the distribution.
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.\" * - Neither the name of the MontaVista Software, Inc. nor the names of its
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.\" * contributors may be used to endorse or promote products derived from this
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.\" * software without specific prior written permission.
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.\" *
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.\" * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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.\" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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.\" * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" * THE POSSIBILITY OF SUCH DAMAGE.
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.\" */
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.TH CPG_OVERVIEW 8 2006-03-06 "openais Man Page" "Openais Programmer's Manual"
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.SH OVERVIEW
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The CPG library is delivered with the openais project. This library is used
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to create distributed applications that operate properly during partitions, merges,
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and faults.
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.PP
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The library provides a mechanism to:
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* handle abstraction for multiple instances of an CPG library in one application
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* join one or more groups
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* leave one or more groups
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* Deliver messages to members of that group
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* Deliver configuration changes
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.PP
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.SH SECURITY
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The CPG library encrypts all messages sent over the network using the SOBER-128
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stream cipher. The EVS library uses HMAC and SHA1 to authenticate all messages.
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The CPG library uses SOBER-128 as a pseudo random number generator. TheCPG
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library feeds the PRNG using the /dev/random Linux device.
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.SH BUGS
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This software is not yet production, so there may still be some bugs.
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.SH "SEE ALSO"
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.BR cpg_initialize (3),
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.BR cpg_finalize (3),
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.BR cpg_fd_get (3),
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.BR cpg_dispatch (3),
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.BR cpg_join (3),
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.BR cpg_leave (3),
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.BR cpg_mcast_joined (3),
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.BR cpg_mmembership_get (3)
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.PP
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