basic framework, waiting for Alex's comments
diff --git a/src/ndns-tlv.h b/src/ndns-tlv.h
new file mode 100644
index 0000000..d8535a5
--- /dev/null
+++ b/src/ndns-tlv.h
@@ -0,0 +1,16 @@
+
+
+
+namespace ndn {
+namespace tlv {
+namespace ndns {
+	enum {
+		Type = 2000,
+		Fressness = 2001,
+		ContentBlob = 2002,
+		NumberOfRRData = 2003,
+		RRData = 2004
+	};//enum
+}//namespace ndns
+}//namespace tlv
+}//namespace ndn