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authorCy Schubert <cy@FreeBSD.org>2015-02-05 20:53:33 +0000
committerCy Schubert <cy@FreeBSD.org>2015-02-05 20:53:33 +0000
commitf7cba3a80d9ebefc57776fffd17a4ae68f72e494 (patch)
treedc1c5074828f0c5fafe2fb8f5599339dfdc5bc97 /html
parent44a728f815af203cd7a91db83b06325818433463 (diff)
Notes
Diffstat (limited to 'html')
-rw-r--r--html/confopt.html4
-rw-r--r--html/copyright.html38
-rw-r--r--html/drivers/driver28.html136
-rw-r--r--html/pic/9400n.jpgbin0 -> 5736 bytes
-rw-r--r--html/pic/alice11.gifbin0 -> 18003 bytes
-rw-r--r--html/pic/alice13.gifbin0 -> 11516 bytes
-rw-r--r--html/pic/alice15.gifbin0 -> 26328 bytes
-rw-r--r--html/pic/alice23.gifbin0 -> 7753 bytes
-rw-r--r--html/pic/alice31.gifbin0 -> 13824 bytes
-rw-r--r--html/pic/alice32.gifbin0 -> 17168 bytes
-rw-r--r--html/pic/alice35.gifbin0 -> 8968 bytes
-rw-r--r--html/pic/alice38.gifbin0 -> 10296 bytes
-rw-r--r--html/pic/alice44.gifbin0 -> 19897 bytes
-rw-r--r--html/pic/alice47.gifbin0 -> 10771 bytes
-rw-r--r--html/pic/alice51.gifbin0 -> 12403 bytes
-rw-r--r--html/pic/alice61.gifbin0 -> 11269 bytes
-rw-r--r--html/pic/barnstable.gifbin0 -> 2946 bytes
-rw-r--r--html/pic/beaver.gifbin0 -> 2831 bytes
-rw-r--r--html/pic/boom3.gifbin0 -> 11042 bytes
-rw-r--r--html/pic/boom3a.gifbin0 -> 18300 bytes
-rw-r--r--html/pic/boom4.gifbin0 -> 16157 bytes
-rw-r--r--html/pic/broad.gifbin0 -> 5728 bytes
-rw-r--r--html/pic/bustardfly.gifbin0 -> 8476 bytes
-rw-r--r--html/pic/c51.jpgbin0 -> 16429 bytes
-rw-r--r--html/pic/description.jpgbin0 -> 34170 bytes
-rw-r--r--html/pic/discipline.gifbin0 -> 6836 bytes
-rw-r--r--html/pic/dogsnake.gifbin0 -> 5445 bytes
-rw-r--r--html/pic/driver29.gifbin0 -> 11723 bytes
-rw-r--r--html/pic/driver43_1.gifbin0 -> 38818 bytes
-rw-r--r--html/pic/driver43_2.jpgbin0 -> 6576 bytes
-rw-r--r--html/pic/fg6021.gifbin0 -> 21593 bytes
-rw-r--r--html/pic/fg6039.jpgbin0 -> 7383 bytes
-rw-r--r--html/pic/fig_3_1.gifbin0 -> 10428 bytes
-rw-r--r--html/pic/flatheads.gifbin0 -> 13085 bytes
-rw-r--r--html/pic/flt1.gifbin0 -> 9045 bytes
-rw-r--r--html/pic/flt2.gifbin0 -> 3148 bytes
-rw-r--r--html/pic/flt3.gifbin0 -> 1847 bytes
-rw-r--r--html/pic/flt4.gifbin0 -> 3876 bytes
-rw-r--r--html/pic/flt5.gifbin0 -> 10609 bytes
-rw-r--r--html/pic/flt6.gifbin0 -> 15563 bytes
-rw-r--r--html/pic/flt7.gifbin0 -> 7848 bytes
-rw-r--r--html/pic/flt8.gifbin0 -> 5969 bytes
-rw-r--r--html/pic/flt9.gifbin0 -> 8948 bytes
-rw-r--r--html/pic/freq1211.gifbin0 -> 11428 bytes
-rw-r--r--html/pic/gadget.jpgbin0 -> 26341 bytes
-rw-r--r--html/pic/gps167.jpgbin0 -> 15589 bytes
-rw-r--r--html/pic/group.gifbin0 -> 2756 bytes
-rw-r--r--html/pic/hornraba.gifbin0 -> 8790 bytes
-rw-r--r--html/pic/igclock.gifbin0 -> 8985 bytes
-rwxr-xr-xhtml/pic/neoclock4x.gifbin0 -> 14977 bytes
-rw-r--r--html/pic/offset1211.gifbin0 -> 25493 bytes
-rw-r--r--html/pic/oncore_evalbig.gifbin0 -> 7904 bytes
-rw-r--r--html/pic/oncore_remoteant.jpgbin0 -> 4828 bytes
-rw-r--r--html/pic/oncore_utplusbig.gifbin0 -> 10117 bytes
-rw-r--r--html/pic/oz2.gifbin0 -> 8225 bytes
-rw-r--r--html/pic/panda.gifbin0 -> 1660 bytes
-rw-r--r--html/pic/pd_om006.gifbin0 -> 16704 bytes
-rw-r--r--html/pic/pd_om011.gifbin0 -> 12848 bytes
-rw-r--r--html/pic/peer.gifbin0 -> 4936 bytes
-rw-r--r--html/pic/pogo.gifbin0 -> 1918 bytes
-rw-r--r--html/pic/pogo1a.gifbin0 -> 18769 bytes
-rw-r--r--html/pic/pogo3a.gifbin0 -> 3657 bytes
-rw-r--r--html/pic/pogo4.gifbin0 -> 3213 bytes
-rw-r--r--html/pic/pogo5.gifbin0 -> 5819 bytes
-rw-r--r--html/pic/pogo6.gifbin0 -> 5902 bytes
-rw-r--r--html/pic/pogo7.gifbin0 -> 13817 bytes
-rw-r--r--html/pic/pogo8.gifbin0 -> 7820 bytes
-rw-r--r--html/pic/pzf509.jpgbin0 -> 13011 bytes
-rw-r--r--html/pic/pzf511.jpgbin0 -> 20370 bytes
-rw-r--r--html/pic/rabbit.gifbin0 -> 3342 bytes
-rw-r--r--html/pic/radio2.jpgbin0 -> 17006 bytes
-rw-r--r--html/pic/sheepb.jpgbin0 -> 20295 bytes
-rw-r--r--html/pic/stack1a.jpgbin0 -> 29655 bytes
-rw-r--r--html/pic/stats.gifbin0 -> 12168 bytes
-rw-r--r--html/pic/sx5.gifbin0 -> 20470 bytes
-rw-r--r--html/pic/thunderbolt.jpgbin0 -> 38718 bytes
-rw-r--r--html/pic/time1.gifbin0 -> 4507 bytes
-rw-r--r--html/pic/tonea.gifbin0 -> 12002 bytes
-rw-r--r--html/pic/tribeb.gifbin0 -> 30287 bytes
-rw-r--r--html/pic/wingdorothy.gifbin0 -> 10849 bytes
80 files changed, 159 insertions, 19 deletions
diff --git a/html/confopt.html b/html/confopt.html
index 8c8ae372c7ed..b964d245b3d8 100644
--- a/html/confopt.html
+++ b/html/confopt.html
@@ -91,11 +91,13 @@ outgoing NTP packets. Versions 1-4 are the choices, with version 4 the default.<
<h4 id="aux">Auxiliary Commands</h4>
<dl>
<dt id="broadcastclient"><tt>broadcastclient</tt></dt>
- <dd>Enable reception of broadcast server messages to any local interface (type b address). Ordinarily, upon receiving a broadcast message for the first time, the broadcast client measures the nominal server propagation delay using a brief client/server exchange, after which it continues in listen-only mode. If a nonzero value is specified in the <tt>broadcastdelay</tt> command, the value becomes the delay and the volley is not executed. Note: the <tt>novolley</tt> option has been deprecated for future enhancements. Note that, in order to avoid accidental or malicious disruption in this mode, both the server and client should operate using symmetric key or public key authentication as described in the <a href="authopt.html">Authentication Options</a> page. Note that the volley is required with public key authentication in order to run the Autokey protocol..</dd>
+ <dd>Enable reception of broadcast server messages to any local interface (type b address). Ordinarily, upon receiving a broadcast message for the first time, the broadcast client measures the nominal server propagation delay using a brief client/server exchange, after which it continues in listen-only mode. If a nonzero value is specified in the <tt>broadcastdelay</tt> command, the value becomes the delay and the volley is not executed. Note: the <tt>novolley</tt> option has been deprecated for future enhancements. Note that, in order to avoid accidental or malicious disruption in this mode, both the server and client should operate using symmetric key or public key authentication as described in the <a href="authopt.html">Authentication Options</a> page. Note that the volley is required with public key authentication in order to run the Autokey protocol.</dd>
<dt id="manycastserver"><tt>manycastserver <i>address</i> [...]</tt></dt>
<dd>Enable reception of manycast client messages (type m) to the multicasts group address(es) (type m) specified. At least one address is required. Note that, in order to avoid accidental or malicious disruption, both the server and client should operate using symmetric key or public key authentication as described in the <a href="authopt.html">Authentication Options</a> page.</dd>
<dt id="multicastclient"><tt>multicastclient <i>address</i> [...]</tt></dt>
<dd>Enable reception of multicast server messages to the multicast group address(es) (type m) specified. Upon receiving a message for the first time, the multicast client measures the nominal server propagation delay using a brief client/server exchange with the server, then enters the broadcast client mode, in which it synchronizes to succeeding multicast messages. Note that, in order to avoid accidental or malicious disruption in this mode, both the server and client should operate using symmetric key or public key authentication as described in the <a href="authopt.html">Authentication Options</a> page.</dd>
+ <dt id="mdnstries"><tt>mdnstries</tt> <i>number</i></dt>
+ <dd>If we are participating in mDNS, after we have synched for the first time we attempt to register with the mDNS system. If that registration attempt fails, we try again at one minute intervals for up to <tt>mdnstries</tt> times. After all, <tt>ntpd</tt> may be starting before mDNS. The default value for <tt>mdnstries</tt> is 5.</dd>
</dl>
<hr>
<script type="text/javascript" language="javascript" src="scripts/footer.txt"></script>
diff --git a/html/copyright.html b/html/copyright.html
index 08272d4e6715..94fffc4d380e 100644
--- a/html/copyright.html
+++ b/html/copyright.html
@@ -10,16 +10,16 @@
<h3>Copyright Notice</h3>
<img src="pic/sheepb.jpg" alt="jpg" align="left"> "Clone me," says Dolly sheepishly.
<p>Last update:
- <!-- #BeginDate format:En2m -->9-Aug-2014 07:56<!-- #EndDate -->
+ <!-- #BeginDate format:En2m -->17-Jan-2015 00:16<!-- #EndDate -->
UTC</p>
<br clear="left">
</p>
<hr>
-<p>The following copyright notice applies to all files collectively called the Network Time Protocol Version 4 Distribution. Unless specifically declared otherwise in an individual file, this notice applies as if the text was explicitly included in the file.</p>
+<p>The following copyright notice applies to all files collectively called the Network Time Protocol Version 4 Distribution. Unless specifically declared otherwise in an individual file, this entire notice applies as if the text was explicitly included in the file.</p>
<pre>
***********************************************************************
* *
-* Copyright (c) University of Delaware 1992-2014 *
+* Copyright (c) University of Delaware 1992-2015 *
* *
* Permission to use, copy, modify, and distribute this software and *
* its documentation for any purpose with or without fee is hereby *
@@ -35,6 +35,38 @@
* *
***********************************************************************
</pre>
+<p>Content starting in 2011 from Harlan Stenn, Danny Mayer, and Martin Burnicki is:</p>
+<pre>
+***********************************************************************
+* *
+* Copyright (c) Network Time Foundation 2011-2015 *
+* *
+* All Rights Reserved *
+* *
+* Redistribution and use in source and binary forms, with or without *
+* modification, are permitted provided that the following conditions *
+* are met: *
+* 1. Redistributions of source code must retain the above copyright *
+* notice, this list of conditions and the following disclaimer. *
+* 2. Redistributions in binary form must reproduce the above *
+* copyright notice, this list of conditions and the following *
+* disclaimer in the documentation and/or other materials provided *
+* with the distribution. *
+* *
+* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS *
+* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED *
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE *
+* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE *
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
+* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR *
+* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
+* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
+* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
+* DAMAGE. *
+***********************************************************************
+</pre>
<p>The following individuals contributed in part to the Network Time Protocol Distribution Version 4 and are acknowledged as authors of this work.</p>
<ol>
<li><a href="mailto:%20takao_abe@xurb.jp">Takao Abe &lt;takao_abe@xurb.jp&gt;</a> Clock driver for JJY receivers</li>
diff --git a/html/drivers/driver28.html b/html/drivers/driver28.html
index 8c7fd802e623..efa862f5f1fc 100644
--- a/html/drivers/driver28.html
+++ b/html/drivers/driver28.html
@@ -7,6 +7,10 @@
<meta name="GENERATOR" content="Mozilla/4.01 [en] (Win95; I) [Netscape]">
<title>Shared Memory Driver</title>
<link href="scripts/style.css" type="text/css" rel="stylesheet">
+ <style type="text/css">
+ table.dlstable { font-size:85%; }
+ td.ttf{ font-family:Courier; font-weight:bold; }
+ </style>
</head>
<body>
@@ -21,7 +25,13 @@
Driver ID: <tt>SHM</tt></p>
<h4>Description</h4>
- <p>This driver receives its reference clock info from a shared memory-segment. The shared memory-segment is created with owner-only access for unit 0 and 1, and world access for unit 2 and 3</p>
+ <p>This driver receives its reference clock info from a shared
+ memory-segment. The shared memory-segment is created with owner-only
+ access by default, unless otherwise requested by the mode word for units
+ &ge;2. Units 0 and 1 are always created with owner-only access for
+ backward compatibility.
+ </p>
+
<h4>Structure of shared memory-segment</h4>
<pre>struct shmTime {
@@ -49,14 +59,14 @@
<h4>Operation mode=0</h4>
<p>Each second, the value of <code>valid</code> of the shared memory-segment is checked:</p>
- <p>If set, the values in the record (clockTimeStampSec, clockTimeStampUSec, receiveTimeStampSec, receiveTimeStampUSec, leap, precision) are passed to ntp, and <code>valid</code> is cleared and <code>count</code> is bumped.</p>
+ <p>If set, the values in the record (clockTimeStampSec, clockTimeStampUSec, receiveTimeStampSec, receiveTimeStampUSec, leap, precision) are passed to <i>NTPD</i>, and <code>valid</code> is cleared and <code>count</code> is bumped.</p>
<p>If not set, <code>count</code> is bumped.</p>
<h4>Operation mode=1</h4>
<p>Each second, <code>valid</code> in the shared memory-segment is checked:</p>
- <p>If set, the <code>count</code> field of the record is remembered, and the values in the record (clockTimeStampSec, clockTimeStampUSec, receiveTimeStampSec, receiveTimeStampUSec, leap, precision) are read. Then, the remembered <code>count</code> is compared to current value of <code>count</code> now in the record. If both are equal, the values read from the record are passed to ntp. If they differ, another process has modified the record while it was read out (was not able to produce this case), and failure is reported to ntp. The <code>valid</code> flag is cleared and <code>count</code> is bumped.</p>
+ <p>If set, the <code>count</code> field of the record is remembered, and the values in the record (clockTimeStampSec, clockTimeStampUSec, receiveTimeStampSec, receiveTimeStampUSec, leap, precision) are read. Then, the remembered <code>count</code> is compared to current value of <code>count</code> now in the record. If both are equal, the values read from the record are passed to <i>NTPD</i>. If they differ, another process has modified the record while it was read out (was not able to produce this case), and failure is reported to <i>NTPD</i>. The <code>valid</code> flag is cleared and <code>count</code> is bumped.</p>
<p>If not set, <code>count</code> is bumped</p>
-<h4>Mode-independent postprocessing</h4>
+<h4>Mode-independent post-processing</h4>
After the time stamps have been successfully plucked from the SHM
segment, some sanity checks take place:
<ul>
@@ -69,30 +79,38 @@ segment, some sanity checks take place:
set to 1.
</ul>
-<h4>gpsd</h4>
+<h4>GPSD</h4>
-<a href="http://gpsd.berlios.de/"><i>gpsd</i></a>
+<a href="http://gpsd.berlios.de/"><i>GPSD</i></a>
knows how to talk to many GPS devices.
-It can work with <i>ntpd</i> through the SHM driver.
+It can work with <i>NTPD</i> through the SHM driver.
<P>
-The <i>gpsd</i> man page suggests setting minpoll and maxpoll to 4.
+The <i>GPSD</i> man page suggests setting minpoll and maxpoll to 4.
That was an attempt to reduce jitter.
The SHM driver was fixed (ntp-4.2.5p138) to collect data each second rather than
once per polling interval so that suggestion is no longer reasonable.
<P>
- <b>Note:</b> The GPSD client driver (type 46) uses the <i>gpsd</i>
- client protocol to connect and talk to <i>gpsd</i>, but using the
- SHM driver is the ancient way to have <i>gpsd</i> talk to <i>ntpd</i>.
+ <b>Note:</b> The <i>GPSD</i> client driver (type 46) uses the <i>GPSD</i>
+ client protocol to connect and talk to <i>GPSD</i>, but using the
+ SHM driver is the ancient way to have <i>GPSD</i> talk to <i>NTPD</i>. There
+ are some tricky points when using the SHM interface to interface
+ with <i>GPSD</i>, because <i>GPSD</i> will use two SHM clocks, one for the
+ serial data stream and one for the PPS information when
+ available. Receivers with a loose/sloppy timing between PPS and serial data
+ can easily cause trouble here because <i>NTPD</i> has no way to join the two
+ data streams and correlate the serial data with the PPS events.
+</p>
+<p>
<h4>Clockstats</h4>
If flag4 is set when the driver is polled, a clockstats record is written.
The first 3 fields are the normal date, time, and IP address common to all clockstats records.
<P>
The 4th field is the number of second ticks since the last poll.
-The 5th field is the number of good data samples found. The last 64 will be used by ntpd.
+The 5th field is the number of good data samples found. The last 64 will be used by <i>NTPD</i>.
The 6th field is the number of sample that didn't have valid data ready.
The 7th field is the number of bad samples.
-The 8th field is the number of times the the mode 1 info was update while nptd was trying to grab a sample.
+The 8th field is the number of times the the mode 1 info was update while <i>NTPD</i> was trying to grab a sample.
<P>
Here is a sample showing the GPS reception fading out:
@@ -112,6 +130,39 @@ Here is a sample showing the GPS reception fading out:
54364 85700.160 127.127.28.0 65 0 65 0 0
</pre>
+ <h4>The 'mode' word</h4>
+
+ <p>
+ Some aspects of the driver behavior can be adjusted by setting bits of
+ the 'mode' word in the server configuration line:<br>
+ &nbsp;&nbsp;<tt>server 127.127.28.</tt><i>x</i><tt> mode </tt><i>Y</i>
+ </p>
+
+ <table border="1" width="100%">
+ <caption>mode word bits and bit groups</caption>
+ <tbody><tr>
+ <th align="center">Bit</th>
+ <th align="center">Dec</th>
+ <th align="center">Hex</th>
+ <th align="left">Meaning</th>
+ </tr>
+
+ <tr>
+ <td align="center">0</td>
+ <td align="center">1</td>
+ <td align="center">1</td>
+ <td>The SHM segment is private (mode 0600). This is the fixed
+ default for clock units 0 and 1; clock units &gt;1 are mode
+ 0666 unless this bit is set for the specific unit.</td>
+ </tr><tr>
+ <td align="center">1-31</td>
+ <td align="center">-</td>
+ <td align="center">-</td>
+ <td><i>reserved -- do not use</i></td>
+ </tr>
+ </tbody>
+ </table>
+
<h4>Fudge Factors</h4>
<dl>
<dt><tt>time1 <i>time</i></tt>
@@ -136,9 +187,64 @@ Here is a sample showing the GPS reception fading out:
<dd>Not used by this driver.
<dt><tt>flag4 0 | 1</tt>
<dd>If flag4 is set, clockstats records will be written when the driver is polled.
- <h4>Additional Information</h4>
- <p><a href="../refclock.html">Reference Clock Drivers</a></p>
</dl>
+
+ <h4>Public vs. Private SHM segments</h4>
+
+ <p>The driver attempts to create a shared memory segment with an
+ identifier depending on the unit number. This identifier (which can be
+ a numeric value or a string) clearly depends on the method used, which
+ in turn depends on the host operating system:</p>
+
+ <ul>
+ <li><p>
+ <tt>Windows</tt> uses a file mapping to the page file with the
+ name '<tt>Global\NTP</tt><i>u</i>' for public accessible
+ mappings, where <i>u</i> is the clock unit. Private /
+ non-public mappings are created as
+ '<tt>Local\NTP</tt><i>u</i>'.
+ </p><p>
+ Public access assigns a NULL DACL to the memory mapping, while
+ private access just uses the default DACL of the process creating
+ the mapping.
+ </p>
+ </li>
+ <li><p>
+ <tt>SYSV IPC</tt> creates a shared memory segment with a key value
+ of <tt>0x4E545030</tt> + <i>u</i>, where <i>u</i> is again
+ the clock unit. (This value could be hex-decoded as 'NTP0',
+ 'NTP1',..., with funny characters for units &gt; 9.)
+ </p><p>
+ Public access means a permission set of 0666, while private access
+ creates the mapping with a permission set of 0600.
+ </p>
+ </li>
+ </ul>
+
+ <p>There's no support for POSIX shared memory yet.</p>
+
+ <p><i>NTPD</i> is started as root on most POSIX-like operating systems
+ and uses the setuid/setgid system API to run under reduced rights once
+ the initial setup of the process is done. One consequence out of this
+ is that the allocation of SHM segments must be done early during the
+ clock setup. The actual polling of the clock is done as the run-time
+ user; deferring the creation of the SHM segment to this point will
+ create a SHM segment owned by the runtime-user account. The internal
+ structure of <i>NTPD</i> does not permit the use of a fudge flag if
+ this is to be avoided; this is the reason why a mode bit is used for
+ the configuration of a public segment.
+ </p>
+
+ <p>When running under Windows, the chosen user account must be able to
+ create a SHM segment in the global object name space for SHM clocks with
+ public access. Otherwise the session isolation used by Windows kernels
+ after WinXP will get into the way if the client program does not run in
+ the same session.
+ </p>
+
+ <h4>Additional Information</h4>
+ <p><a href="../refclock.html">Reference Clock Drivers</a></p>
+
<hr>
<script type="text/javascript" language="javascript" src="scripts/footer.txt"></script>
</body>
diff --git a/html/pic/9400n.jpg b/html/pic/9400n.jpg
new file mode 100644
index 000000000000..9209b90f3d0d
--- /dev/null
+++ b/html/pic/9400n.jpg
Binary files differ
diff --git a/html/pic/alice11.gif b/html/pic/alice11.gif
new file mode 100644
index 000000000000..62d0c9ba0094
--- /dev/null
+++ b/html/pic/alice11.gif
Binary files differ
diff --git a/html/pic/alice13.gif b/html/pic/alice13.gif
new file mode 100644
index 000000000000..c928ff75bb42
--- /dev/null
+++ b/html/pic/alice13.gif
Binary files differ
diff --git a/html/pic/alice15.gif b/html/pic/alice15.gif
new file mode 100644
index 000000000000..e17b5fdf11e1
--- /dev/null
+++ b/html/pic/alice15.gif
Binary files differ
diff --git a/html/pic/alice23.gif b/html/pic/alice23.gif
new file mode 100644
index 000000000000..bc258a0f7916
--- /dev/null
+++ b/html/pic/alice23.gif
Binary files differ
diff --git a/html/pic/alice31.gif b/html/pic/alice31.gif
new file mode 100644
index 000000000000..ea3d20cd9c83
--- /dev/null
+++ b/html/pic/alice31.gif
Binary files differ
diff --git a/html/pic/alice32.gif b/html/pic/alice32.gif
new file mode 100644
index 000000000000..db7cc40c655f
--- /dev/null
+++ b/html/pic/alice32.gif
Binary files differ
diff --git a/html/pic/alice35.gif b/html/pic/alice35.gif
new file mode 100644
index 000000000000..aa0ca4335db9
--- /dev/null
+++ b/html/pic/alice35.gif
Binary files differ
diff --git a/html/pic/alice38.gif b/html/pic/alice38.gif
new file mode 100644
index 000000000000..e40adba1b70c
--- /dev/null
+++ b/html/pic/alice38.gif
Binary files differ
diff --git a/html/pic/alice44.gif b/html/pic/alice44.gif
new file mode 100644
index 000000000000..953387edc444
--- /dev/null
+++ b/html/pic/alice44.gif
Binary files differ
diff --git a/html/pic/alice47.gif b/html/pic/alice47.gif
new file mode 100644
index 000000000000..6b27160454d0
--- /dev/null
+++ b/html/pic/alice47.gif
Binary files differ
diff --git a/html/pic/alice51.gif b/html/pic/alice51.gif
new file mode 100644
index 000000000000..1e9082a554b6
--- /dev/null
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