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-rw-r--r--doc/design.txt7
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@@ -2,3 +2,10 @@ catlfish design (in Emacs -*- org -*- mode)
This document describes the design of catlfish, an implementation of a
Certificate Transparency (RFC6962) log.
+
+We have
+
+- a db storing data (persistently) and replicating r/o copies to n
+ secondary nodes
+- 1 primary node writing the hash tree to the r/w db
+- n secondary nodes reading from local r/o db