diff --git a/docs/local-prefix-discovery.rst b/docs/local-prefix-discovery.rst
new file mode 100644
index 0000000..868d2bb
--- /dev/null
+++ b/docs/local-prefix-discovery.rst
@@ -0,0 +1,32 @@
+.. _local-prefix-discovery:
+
+Local hub prefix discovery
+==========================
+
+Some applications need to discover the prefix(es) under which they can publish data
+/ which Interests the local hub will be able to forward down to the application.
+In order to discover that, applications need to send an Interest for
+``/localhop/nfd/rib/routable-prefixes`` prefix. Response data to the
+Interest contains a list of prefixes and should be encoded as follows:
+
+::
+
+    Response ::= DATA-TYPE TLV-LENGTH
+                   Name (= /localhop/nfd/rib/routable-prefixes/[version]/[segment])
+                   MetaInfo (= ResponseMetaInfo)
+                   Content (= ResponseContent)
+                   Signature
+
+    ResponseMetaInfo ::= META-INFO-TYPE TLV-LENGTH
+                           ContentType (= BLOB)
+                           FreshnessPeriod (= 5000)
+
+    ResponseContent ::= Name+
+
+.. note::
+    ResponseContent should contain at least one ``Name``, which should be routable
+    towards the face from which the request has been received.  The requester may
+    process the list of returned names and pick whichever it wants to use.
+
+For now, the ``/localhop/nfd/rib/routable-prefixes`` data is served by
+:ref:`ndn-autoconfig-server`.