diff --git a/app/src/main/java/org/opencord/sadis/impl/SadisConfig.java b/app/src/main/java/org/opencord/sadis/impl/SadisConfig.java
new file mode 100644
index 0000000..26aaa87
--- /dev/null
+++ b/app/src/main/java/org/opencord/sadis/impl/SadisConfig.java
@@ -0,0 +1,192 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.opencord.sadis.impl;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.time.Duration;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.VlanId;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.config.Config;
+import org.opencord.sadis.SubscriberAndDeviceInformation;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.ObjectCodec;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+
+/**
+ * Configuration options for the Subscriber And Device Information Service.
+ *
+ * <pre>
+ * "sadis" : {
+ *     "integration" : {
+ *         "url" : "http://{hostname}{:port}",
+ *         "cache" : {
+ *             "enable"   : true or false,
+ *             "maxsize"  : number of entries,
+ *             "entryttl" : duration, i.e. 10s or 1m
+ *         }
+ *     },
+ *     "entries" : [
+ *         {
+ *             "id"                 : "uniqueid",
+ *             "ctag"               : int,
+ *             "stag"               : int,
+ *             "nasportid"          : string,
+ *             "port"               : int,
+ *             "slot"               : int,
+ *             "hardwareidentifier" : string,
+ *             "ipAddress"          : string,
+ *             "nasId"              : string
+ *         }, ...
+ *     ]
+ * }
+ * </pre>
+ */
+public class SadisConfig extends Config<ApplicationId> {
+
+    private final Logger log = LoggerFactory.getLogger(this.getClass());
+
+    private static final String SADIS_INTEGRATION = "integration";
+    private static final String SADIS_CACHE = "cache";
+    private static final String SADIS_CACHE_ENABLED = "enabled";
+    private static final String SADIS_CACHE_SIZE = "maxsize";
+    private static final String SADIS_CACHE_TTL = "ttl";
+    private static final String SADIS_URL = "url";
+    private static final String SADIS_ENTRIES = "entries";
+    private static final String DEFAULT_CACHE_TTL = "PT0S";
+
+    /**
+     * Returns SADIS integration URL.
+     *
+     * @return configured URL or null
+     * @throws MalformedURLException
+     *             specified URL not valid
+     */
+    public URL getUrl() throws MalformedURLException {
+        final JsonNode integration = this.object.path(SADIS_INTEGRATION);
+        if (integration.isMissingNode()) {
+            return null;
+        }
+
+        final JsonNode url = integration.path(SADIS_URL);
+        if (url.isMissingNode()) {
+            return null;
+        }
+
+        return new URL(url.asText());
+    }
+
+    /**
+     * Returns configuration if cache should be used or not. Only used if
+     * integration URL is set.
+     *
+     * @return if cache should be used
+     */
+    public Boolean getCacheEnabled() {
+        final JsonNode integration = this.object.path(SADIS_INTEGRATION);
+        if (integration.isMissingNode()) {
+            return false;
+        }
+
+        final JsonNode cache = integration.path(SADIS_CACHE);
+        if (cache.isMissingNode()) {
+            return false;
+        }
+
+        return cache.path(SADIS_CACHE_ENABLED).asBoolean(false);
+    }
+
+    public int getCacheMaxSize() {
+        final JsonNode integration = this.object.path(SADIS_INTEGRATION);
+        if (integration.isMissingNode()) {
+            return -1;
+        }
+
+        final JsonNode cache = integration.path(SADIS_CACHE);
+        if (cache.isMissingNode()) {
+            return -1;
+        }
+
+        return cache.path(SADIS_CACHE_SIZE).asInt(-1);
+    }
+
+    public Duration getCacheTtl() {
+        final JsonNode integration = this.object.path(SADIS_INTEGRATION);
+        if (integration.isMissingNode()) {
+            return Duration.parse(DEFAULT_CACHE_TTL);
+        }
+
+        final JsonNode cache = integration.path(SADIS_CACHE);
+        if (cache.isMissingNode()) {
+            return Duration.parse(DEFAULT_CACHE_TTL);
+        }
+
+        return Duration.parse(cache.path(SADIS_CACHE_TTL).asText(DEFAULT_CACHE_TTL));
+    }
+
+    public List<SubscriberAndDeviceInformation> getEntries() {
+        List<SubscriberAndDeviceInformation> result = new ArrayList<SubscriberAndDeviceInformation>();
+        ObjectMapper mapper = new ObjectMapper();
+        SimpleModule module = new SimpleModule();
+        module.addDeserializer(VlanId.class, new VlanIdDeserializer());
+        module.addDeserializer(Ip4Address.class, new Ip4AddressDeserializer());
+        mapper.registerModule(module);
+        final JsonNode entries = this.object.path(SADIS_ENTRIES);
+        entries.forEach(entry -> {
+            try {
+                result.add(mapper.readValue(entry.toString(), SubscriberAndDeviceInformation.class));
+            } catch (IOException e) {
+                log.warn("Unable to parse configuration entry, '{}', error: {}", entry.toString(), e.getMessage());
+            }
+        });
+
+        return result;
+    }
+
+    public class VlanIdDeserializer extends JsonDeserializer<VlanId> {
+        @Override
+        public VlanId deserialize(JsonParser jp, DeserializationContext ctxt)
+                throws IOException, JsonProcessingException {
+            ObjectCodec oc = jp.getCodec();
+            JsonNode node = oc.readTree(jp);
+            return VlanId.vlanId((short) node.asInt());
+        }
+    }
+
+    public class Ip4AddressDeserializer extends JsonDeserializer<Ip4Address> {
+        @Override
+        public Ip4Address deserialize(JsonParser jp, DeserializationContext ctxt)
+                throws IOException, JsonProcessingException {
+            ObjectCodec oc = jp.getCodec();
+            JsonNode node = oc.readTree(jp);
+            return Ip4Address.valueOf((String) node.asText());
+        }
+    }
+}