diff --git a/src/main/java/com/nhn/pinpoint/profiler/modifier/arcus/SpyVersion.java b/src/main/java/com/nhn/pinpoint/profiler/modifier/arcus/SpyVersion.java
new file mode 100644
index 000000000..76c176a58
--- /dev/null
+++ b/src/main/java/com/nhn/pinpoint/profiler/modifier/arcus/SpyVersion.java
@@ -0,0 +1,40 @@
+package com.nhn.pinpoint.profiler.modifier.arcus;
+
+import com.nhn.pinpoint.profiler.interceptor.bci.InstrumentClass;
+
+public enum SpyVersion {
+
+    SPYMEMCACHED_2_11,
+    ARCUSCLIENT_1_6,
+    ERROR
+    ;
+
+    public SpyVersion identifyWithMemcachedConnection(InstrumentClass aClass) {
+        String className = aClass.getName();
+        if (! "net/spy/memcached/MemcachedConnection".equals(className)) {
+            return ERROR;
+        }
+
+        String[] createConnectionArgs = {"java.util.Collection"};
+        boolean isSpy = aClass.hasDeclaredMethod("createConnection", createConnectionArgs);
+
+        if (isSpy) {
+            return SPYMEMCACHED_2_11;
+        } else {
+            return ARCUSCLIENT_1_6;
+        }
+    }
+
+    public SpyVersion identifyWithMemcachedClient(InstrumentClass aClass) {
+        String className = aClass.getName();
+        if (! "net/spy/memcached/MemcachedClient".equals(className)) {
+            return ERROR;
+        }
+
+        String[] addOpArgs = {"java.lang.String", "net.spy.memcached.ops.Operation"};
+        boolean isArcus = aClass.hasDeclaredMethod("addOp", addOpArgs);
+
+        return SPYMEMCACHED_2_11;
+    }
+
+}