diff --git a/src/adjacent.cpp b/src/adjacent.cpp
new file mode 100644
index 0000000..807eb0b
--- /dev/null
+++ b/src/adjacent.cpp
@@ -0,0 +1,40 @@
+#include <iostream>
+#include <string>
+#include <cmath>
+#include <limits>
+#include "adjacent.hpp"
+
+namespace nlsr {
+
+using namespace std;
+
+Adjacent::Adjacent(const string& an, int cf, double lc, int s, int iton)
+{
+  m_name = an;
+  m_connectingFace = cf;
+  m_linkCost = lc;
+  m_status = s;
+  m_interestTimedOutNo = iton;
+}
+
+bool
+Adjacent::isEqual(Adjacent& adj)
+{
+  return (m_name == adj.getName()) &&
+         (m_connectingFace == adj.getConnectingFace()) &&
+         (std::abs(m_linkCost - adj.getLinkCost()) <
+          std::numeric_limits<double>::epsilon()) ;
+}
+
+std::ostream&
+operator<<(std::ostream& os, Adjacent& adj)
+{
+  os << "Adjacent : " << adj.getName()	<< endl;
+  os << "Connecting Face: " << adj.getConnectingFace() << endl;
+  os << "Link Cost: " << adj.getLinkCost() << endl;
+  os << "Status: " << adj.getStatus() << endl;
+  os << "Interest Timed out: " << adj.getInterestTimedOutNo() << endl;
+  return os;
+}
+
+} //namespace nlsr