diff --git a/daemon/face/ndnlp-sequence-generator.cpp b/daemon/face/ndnlp-sequence-generator.cpp
new file mode 100644
index 0000000..01dfd14
--- /dev/null
+++ b/daemon/face/ndnlp-sequence-generator.cpp
@@ -0,0 +1,32 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (C) 2014 Named Data Networking Project
+ * See COPYING for copyright and distribution information.
+ */
+
+#include "ndnlp-sequence-generator.hpp"
+
+namespace nfd {
+namespace ndnlp {
+
+SequenceBlock::SequenceBlock(uint64_t start, size_t count)
+  : m_start(start)
+  , m_count(count)
+{
+}
+
+SequenceGenerator::SequenceGenerator()
+  : m_next(0)
+{
+}
+
+SequenceBlock
+SequenceGenerator::nextBlock(size_t count)
+{
+  SequenceBlock sb(m_next, count);
+  m_next += count;
+  return sb;
+}
+
+} // namespace ndnlp
+} // namespace nfd