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	<id>https://g2.doxu.org/index.php?action=history&amp;feed=atom&amp;title=Search_Acknowledgement</id>
	<title>Search Acknowledgement - Revision history</title>
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	<updated>2026-05-05T14:53:00Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://g2.doxu.org/index.php?title=Search_Acknowledgement&amp;diff=1656&amp;oldid=prev</id>
		<title>Dcat at 19:17, 20 March 2005</title>
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		<updated>2005-03-20T19:17:09Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Introduction ==&lt;br /&gt;
&lt;br /&gt;
When a Gnutella2 hub receives a /[[Q2]] query packet from a search client, it needs to&lt;br /&gt;
provide the client with acknowledgement for several reasons:&lt;br /&gt;
&lt;br /&gt;
* To tell the search client that the query was accepted, and the hub is alive&lt;br /&gt;
* To tell the search client which hubs have now effectively been queried (effectively because the query has been tested against their hash tables, even if this did not result in a forward and local process operation)&lt;br /&gt;
* To provide the search client with additional hubs to try if it wishes to continue&lt;br /&gt;
&lt;br /&gt;
== Contents ==&lt;br /&gt;
&lt;br /&gt;
The compact [[QA|query acknowledgement]] lists the hubs which have been queried, and&lt;br /&gt;
provides some hubs which could be queried later.&lt;/div&gt;</summary>
		<author><name>Dcat</name></author>
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