diff --git a/apps/openstacktelemetry/app/src/main/java/org/onosproject/openstacktelemetry/config/DefaultPrometheusTelemetryConfig.java b/apps/openstacktelemetry/app/src/main/java/org/onosproject/openstacktelemetry/config/DefaultPrometheusTelemetryConfig.java
new file mode 100644
index 0000000..b22f053
--- /dev/null
+++ b/apps/openstacktelemetry/app/src/main/java/org/onosproject/openstacktelemetry/config/DefaultPrometheusTelemetryConfig.java
@@ -0,0 +1,131 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacktelemetry.config;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Maps;
+import org.onosproject.openstacktelemetry.api.config.PrometheusTelemetryConfig;
+import org.onosproject.openstacktelemetry.api.config.TelemetryConfig;
+
+import java.util.Map;
+import java.util.Objects;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * A configuration file contains Prometheus telemetry parameters.
+ */
+public final class DefaultPrometheusTelemetryConfig implements PrometheusTelemetryConfig {
+
+    private final String address;
+    private final int port;
+    private final Map<String, Object> configMap;
+
+    private DefaultPrometheusTelemetryConfig(String address,
+                                             int port,
+                                             Map<String, Object> configMap) {
+        this.address = address;
+        this.port = port;
+        this.configMap = configMap;
+    }
+
+    @Override
+    public String address() {
+        return address;
+    }
+
+    @Override
+    public int port() {
+        return port;
+    }
+
+    @Override
+    public Map<String, Object> configMap() {
+        if (configMap != null) {
+            return ImmutableMap.copyOf(configMap);
+        } else {
+            return Maps.newConcurrentMap();
+        }
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+
+        if (obj instanceof DefaultPrometheusTelemetryConfig) {
+            final DefaultPrometheusTelemetryConfig other = (DefaultPrometheusTelemetryConfig) obj;
+            return Objects.equals(this.address, other.address) &&
+                    Objects.equals(this.port, other.port) &&
+                    Objects.equals(this.configMap, other.configMap);
+        }
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(address, port, configMap);
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(this)
+                .add("address", address)
+                .add("port", port)
+                .add("configMap", configMap)
+                .toString();
+    }
+
+    @Override
+    public TelemetryConfig.Builder createBuilder() {
+        return new DefaultBuilder();
+    }
+
+    /**
+     * Builder class of DefaultPrometheusTelemetryConfig.
+     */
+    public static final class DefaultBuilder implements Builder {
+        private String address;
+        private int port;
+        private Map<String, Object> configMap;
+
+        @Override
+        public Builder withAddress(String address) {
+            this.address = address;
+            return this;
+        }
+
+        @Override
+        public Builder withPort(int port) {
+            this.port = port;
+            return this;
+        }
+
+        @Override
+        public Builder withConfigMap(Map<String, Object> configMap) {
+            this.configMap = configMap;
+            return this;
+        }
+        @Override
+        public PrometheusTelemetryConfig build() {
+            checkNotNull(address, "Prometheus exporter binding address cannot be null");
+            checkNotNull(configMap, "Config map cannot be null");
+            return new DefaultPrometheusTelemetryConfig(address, port, configMap);
+        }
+    }
+}