107 lines
2.7 KiB
HTML
107 lines
2.7 KiB
HTML
{% extends "_layout.html" %}
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{% block title %}NetDB Backend{% endblock %}
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{% block content %}
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<!-- file version 2013.05.28.01 -->
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<p>The current NetDB implementation (namely the FloodFill system)
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needs to be extended with another backend to improve reliability,
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reduce attack surface and solve the scalability issue for the
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coming years.
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</p>
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<p>A solution likely based on a DHT will be investigated and
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finally implemented.
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</p>
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<h2>Requirements</h2>
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<dl>
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<dt><b>Lookup speed</b></dt>
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<dd>Lookup time is crucial since request will be done in real time
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and destinations can't be communicated with until a lookup has
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completed and should therefore be minimized.
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</dd>
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<dt><b>Attack resilience</b></dt>
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<dd>The solution should ideally be (or be extensible to be)
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resilient against
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<a href="how_threatmodel.html#sybil">sybil and eclipse</a> attacks.
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</dd>
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<dt><b>Scalability</b></dt>
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<dd>The solution need to scale from the current number of nodes
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to at least one million nodes without major modifications and
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still maintain an unlimited search horizon.
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</dd>
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</dl>
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<h2>Bounty</h2>
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<table border="1">
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<tr><td><p><b>Item</b></p></td><td><p><b>Description</b></p></td><td><p><b>Result</b></p></td><td><p><b>Value</b></p></td></tr>
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<tr>
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<td><h4>Investigate alternatives</h4></td>
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<td>
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<dl>
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<dt><b>Find candidates</b></dt>
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<dd>Find decentralized distributed systems that is fulfill our reuiqrements.</dd>
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<dt><b>Select alternative</b></dt>
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<dd>Select the best viable alternative.</dd>
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</dl>
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</td>
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<td><a href="http://trac.i2p2.de/wiki/NetDB/NextBackend">Trac</a></td>
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<td><p>162.5€</p></td>
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</tr>
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</tr>
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<tr>
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<td><h4>Investigate implementation</h4></td>
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<td>
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<dl>
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<dt><b>Investigate refactoring</b></dt>
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<dd>Investigate I2P NetDB refactoring strategy.</dd>
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<dt><b>Investigate and fix MultiRouter</b></dt>
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<dd>Investigate the usability of MultiRouter, and fix issues found. MultiRouter will simplify further development.</dd>
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<dt><b>Select base implementation</b></dt>
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<dd>i2p.zzz.kademlia / i2psnarkdht is the most likely base implementation.</dd>
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</dl>
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</td>
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<td><p><a href="http://trac.i2p2.de/changeset/0f0a99298bfbd4652d3dad2885ee1f0e1472c156">Trac</a></p></td>
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<td><p>162.5€</p></td>
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</tr>
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<tr>
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<td><h4>Begin implementation of the most basic DHT</h4></td>
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<td>
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<dl>
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<dt><b>Investigate I2CP</b></dt>
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<dd>Investigate and design/select an I2NP message.</dd>
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<dt><b>Implement iterative DHT lookups</b></dt>
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<dd>Implement support for iterative DHT lookups</dd>
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</dl>
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</td>
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<td><p>None yet</p></td>
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<td><p>325€</p></td>
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</tr>
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<tr>
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<td><h4>More to come</h4></td>
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<td>...</td>
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<td><p></p></td>
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<td><p></p></td>
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</tr>
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</table>
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{% endblock %}
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