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<h3>
Eric S. Raymond pushed to branch master
at <a href="https://gitlab.com/NTPsec/ntpsec">NTPsec / ntpsec</a>
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<h4>
Commits:
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<ul>
<li>
<strong><a href="https://gitlab.com/NTPsec/ntpsec/commit/cb3e932371053a10f184b4bbbe577da07a7738fe">cb3e9323</a></strong>
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<span>by Eric S. Raymond</span>
<i>at 2019-01-17T19:52:52Z</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">More NTS design discussion.
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<h4>1 changed file:</h4>
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<a href="#609c2c0b1eb27fef7a1a180c7fd078d2c4033c62">
devel/nts.adoc
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<h4>Changes:</h4>
<li id="609c2c0b1eb27fef7a1a180c7fd078d2c4033c62">
<a href="https://gitlab.com/NTPsec/ntpsec/commit/cb3e932371053a10f184b4bbbe577da07a7738fe#609c2c0b1eb27fef7a1a180c7fd078d2c4033c62"><strong>devel/nts.adoc</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -19,7 +19,7 @@ The NTS implementation shall:</td>
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<pre style="margin: 0;"> <span id="LC19" class="line" lang="plaintext">The NTP server maintains no per-client state. The NTP client</span>
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<pre style="margin: 0;"> <span id="LC20" class="line" lang="plaintext">stores the state in a cookie which is sent with each request.</span>
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<pre style="margin: 0;"> <span id="LC21" class="line" lang="plaintext">The cookie is provided by the server. The server will decrypt</span>
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<pre style="margin: 0;">-<span id="LC22" class="line" lang="plaintext">it to re<span class="idiff left right">volver</span> the session keys.</span>
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<pre style="margin: 0;">+<span id="LC22" class="line" lang="plaintext">it to re<span class="idiff left right">solve</span> the session keys.</span>
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<pre style="margin: 0;"> <span id="LC23" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC24" class="line" lang="plaintext">NTS should not assist tracking of the client. (Consider</span>
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<pre style="margin: 0;"> <span id="LC25" class="line" lang="plaintext">a laptop that moves from home to work to a coffee shop.)</span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -33,16 +33,20 @@ will replace them.</td>
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<pre style="margin: 0;"> <span id="LC33" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC34" class="line" lang="plaintext">== System Partitioning ==</span>
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<pre style="margin: 0;"> <span id="LC35" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">-<span id="LC36" class="line" lang="plaintext">This picture is for discussion. <span class="idiff left right">The actual packaging may have</span></span>
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<pre style="margin: 0;">-<span id="LC37" class="line" lang="plaintext"><span class="idiff left right">both clients and both servers in one binary to simplify</span></span>
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<pre style="margin: 0;">-<span id="LC38" class="line" lang="plaintext"><span class="idiff left right">administration. It may be convenient to have them as</span></span>
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<pre style="margin: 0;">-<span id="LC39" class="line" lang="plaintext"><span class="idiff left right">separate programs for debugging</span>.</span>
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<pre style="margin: 0;">+<span id="LC36" class="line" lang="plaintext">This picture is for discussion. <span class="idiff left right">In actual packaging Alpha and Bravo</span></span>
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<pre style="margin: 0;">+<span id="LC37" class="line" lang="plaintext"><span class="idiff left right">will both be inside ntpd. Charlie and Delta, on the other hand, need</span></span>
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<pre style="margin: 0;">+<span id="LC38" class="line" lang="plaintext"><span class="idiff left right">to be separate because Delta will have its own public port serving</span></span>
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<pre style="margin: 0;">+<span id="LC39" class="line" lang="plaintext"><span class="idiff left right">requests from Bravo</span>.</span>
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<pre style="margin: 0;"> <span id="LC40" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">-<span id="LC41" class="line" lang="plaintext"> Bravo Delta</span>
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<pre style="margin: 0;">-<span id="LC42" class="line" lang="plaintext"> NTS client ---------------- NTS server</span>
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<pre style="margin: 0;">-<span id="LC43" class="line" lang="plaintext"> | |</span>
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<pre style="margin: 0;">-<span id="LC44" class="line" lang="plaintext"> Alpha Charlie</span>
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<pre style="margin: 0;">-<span id="LC45" class="line" lang="plaintext"> NTP client ---------------- NTP server</span>
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<pre style="margin: 0;">+<span id="LC41" class="line" lang="plaintext"> Bravo Delta</span>
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<pre style="margin: 0;">+<span id="LC42" class="line" lang="plaintext"> NTS client ---------------> NTS server</span>
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<pre style="margin: 0;">+<span id="LC43" class="line" lang="plaintext"> ^ ^</span>
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<pre style="margin: 0;">+<span id="LC44" class="line" lang="plaintext"> | |</span>
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<pre style="margin: 0;">+<span id="LC45" class="line" lang="plaintext"> Alpha Charlie</span>
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<pre style="margin: 0;">+<span id="LC46" class="line" lang="plaintext"> NTP client <--------------> NTP server</span>
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<pre style="margin: 0;">+<span id="LC47" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">+<span id="LC48" class="line" lang="plaintext">In this diagram, an arrow means "initiates requests to". </span>
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<pre style="margin: 0;">+<span id="LC49" class="line" lang="plaintext">Responses may flow in the other direction.</span>
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<pre style="margin: 0;"> <span id="LC50" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC51" class="line" lang="plaintext">NTP-client to NTS-client (Alpha to Bravo) is pretty simple.</span>
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<pre style="margin: 0;"> <span id="LC52" class="line" lang="plaintext"> NTP-client sends:</span>
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