--- a/src/main/java/alice/datasegment/DataSegment.java	Sat May 17 21:34:01 2014 +0900
+++ b/src/main/java/alice/datasegment/DataSegment.java	Sat May 17 21:36:35 2014 +0900
@@ -33,6 +33,12 @@
 		return manager;
 	}
 	
+	public static MulticastDataSegmentManager connectMulticast(String connectionKey ,String MCSTADDR, int port, String nis){
+		MulticastDataSegmentManager manager = new MulticastDataSegmentManager(connectionKey ,MCSTADDR,  port, nis);
+		register("multicast", manager);
+		return manager;
+	}
+	
 	public static void setAccept(String key, IncomingTcpConnection incoming) {
 		dataSegment.acceptHash.put(key, incoming);
 	}