catchunks: remove iterative version discovery method
refs: #4556
Change-Id: I22f35ea3c96a9eea32d478b13a52f9b3fba8442f
diff --git a/tools/chunks/README.md b/tools/chunks/README.md
index 2bdd8ff..0c76fe8 100644
--- a/tools/chunks/README.md
+++ b/tools/chunks/README.md
@@ -17,13 +17,15 @@
specified prefix and version number. A version component must be present at the
end of the user-specified NDN name.
-* `iterative`: sends a series of interests with ChildSelector set to prefer the
- rightmost child and Exclude selectors, attempting to find a data packet with the
- specified prefix and the latest (the largest in the NDN canonical ordering)
- version number. The version is declared "latest" after a predefined number of
- data retrieval timeouts (default: 1).
+* `realtime` : sends discovery interests to fetch metadata of the solicited content from which
+ the data version will be resolved.
+ The version number of the solicited content is included in the name of returned
+ metadata data packet.
+ For more information about the packet format and naming convention of interest and
+ data packets for realtime version discovery, please refer to:
+[Realtime Data Retrieval (RDR) protocol wiki page](https://redmine.named-data.net/projects/ndn-tlv/wiki/RDR)
-The default discovery method is `iterative`.
+The default discovery method is `realtime`.
## Interest pipeline types in ndncatchunks
@@ -70,9 +72,9 @@
To retrieve the latest version of a published file, the following command can be used:
- ndncatchunks -d iterative ndn:/localhost/demo/gpl3
+ ndncatchunks ndn:/localhost/demo/gpl3
-This command will use the iterative method to discover the latest version of the file.
+This command will use the realtime method to discover the version number of the file.
To fetch a specific version of a published file, you can use the `fixed` version discovery method.
In this case the version needs to be supplied as part of the name. For example, if the version