diff --git a/core/api/src/main/java/org/onosproject/net/newresource/ResourceAdminService.java b/core/api/src/main/java/org/onosproject/net/newresource/ResourceAdminService.java
index 5fcb132..1a13c32 100644
--- a/core/api/src/main/java/org/onosproject/net/newresource/ResourceAdminService.java
+++ b/core/api/src/main/java/org/onosproject/net/newresource/ResourceAdminService.java
@@ -17,7 +17,8 @@
 
 import com.google.common.annotations.Beta;
 
-import java.util.function.Predicate;
+import java.util.Arrays;
+import java.util.List;
 
 /**
  * Service for administering resource service behavior.
@@ -25,13 +26,26 @@
 @Beta
 public interface ResourceAdminService {
     /**
-     * Define a boundary of the resource specified by the class.
-     * The specified predicate is expected to return true if the supplied value is
-     * in the resource boundary and return false if it is out of the boundary.
+     * Register resources as the children of the parent resource path.
      *
-     * @param cls class of the resource type
-     * @param predicate predicate returning true if the value is in the boundary
-     * @param <T> type of the resource
+     * @param parent parent resource path under which the resource are registered
+     * @param children resources to be registered as the children of the parent
+     * @param <T> type of resources
+     * @return true if registration is successfully done, false otherwise. Registration
+     * succeeds when each resource is not registered or unallocated.
      */
-    <T> void defineResourceBoundary(Class<T> cls, Predicate<T> predicate);
+    default <T> boolean registerResources(ResourcePath parent, T... children) {
+        return registerResources(parent, Arrays.asList(children));
+    }
+
+    /**
+     * Register resources as the children of the parent resource path.
+     *
+     * @param parent parent resource path under which the resource are registered
+     * @param children resources to be registered as the children of the parent
+     * @param <T> type of resources
+     * @return true if registration is successfully done, false otherwise. Registration
+     * succeeds when each resource is not registered or unallocated.
+     */
+    <T> boolean registerResources(ResourcePath parent, List<T> children);
 }
diff --git a/core/api/src/main/java/org/onosproject/net/newresource/ResourcePath.java b/core/api/src/main/java/org/onosproject/net/newresource/ResourcePath.java
index 6a7ab94..7c78a9a 100644
--- a/core/api/src/main/java/org/onosproject/net/newresource/ResourcePath.java
+++ b/core/api/src/main/java/org/onosproject/net/newresource/ResourcePath.java
@@ -24,7 +24,6 @@
 import java.util.Objects;
 import java.util.Optional;
 
-import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.base.Preconditions.checkNotNull;
 
 /**
@@ -42,6 +41,16 @@
 
     private final List<Object> resources;
 
+    public static final ResourcePath ROOT = new ResourcePath(ImmutableList.of());
+
+    public static ResourcePath child(ResourcePath parent, Object child) {
+        ImmutableList<Object> components = ImmutableList.builder()
+                .addAll(parent.components())
+                .add(child)
+                .build();
+        return new ResourcePath(components);
+    }
+
     /**
      * Creates an resource path from the specified components.
      *
@@ -58,7 +67,6 @@
      */
     public ResourcePath(List<Object> components) {
         checkNotNull(components);
-        checkArgument(components.size() > 0);
 
         this.resources = ImmutableList.copyOf(components);
     }
@@ -85,7 +93,7 @@
      * If there is no parent, empty instance will be returned.
      */
     public Optional<ResourcePath> parent() {
-        if (resources.size() >= 2) {
+        if (resources.size() > 0) {
             return Optional.of(new ResourcePath(resources.subList(0, resources.size() - 1)));
         }
 
diff --git a/core/api/src/main/java/org/onosproject/net/newresource/ResourceStore.java b/core/api/src/main/java/org/onosproject/net/newresource/ResourceStore.java
index 7280b60..b711f39 100644
--- a/core/api/src/main/java/org/onosproject/net/newresource/ResourceStore.java
+++ b/core/api/src/main/java/org/onosproject/net/newresource/ResourceStore.java
@@ -11,6 +11,19 @@
  */
 @Beta
 public interface ResourceStore {
+
+    /**
+     * Registers the resources as children of the parent resource in transactional way.
+     * Resource registration is must be done before resource allocation. The state after completion
+     * of this method is all the resources are registered, or no resource is registered.
+     * The whole registration fails when any one of the resource can't be registered.
+     *
+     * @param parent resource which is the parent of the resource to be registered
+     * @param children resources to be registered
+     * @return true if the registration succeeds, false otherwise
+     */
+    boolean register(ResourcePath parent, List<ResourcePath> children);
+
     /**
      * Allocates the specified resources to the specified consumer in transactional way.
      * The state after completion of this method is all the resources are allocated to the consumer,