diff --git a/pkg/db/model/root.go b/pkg/db/model/root.go
new file mode 100644
index 0000000..7485937
--- /dev/null
+++ b/pkg/db/model/root.go
@@ -0,0 +1,310 @@
+/*
+ * 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 model
+
+import (
+	"context"
+	"encoding/hex"
+	"encoding/json"
+	"github.com/golang/protobuf/proto"
+	"github.com/google/uuid"
+	"github.com/opencord/voltha-lib-go/pkg/common/log"
+	"reflect"
+	"sync"
+)
+
+// Root is used to provide an abstraction to the base root structure
+type Root interface {
+	Node
+
+	ExecuteCallbacks()
+	AddCallback(callback CallbackFunction, args ...interface{})
+	AddNotificationCallback(callback CallbackFunction, args ...interface{})
+}
+
+// root points to the top of the data model tree or sub-tree identified by a proxy
+type root struct {
+	*node
+
+	Callbacks             []CallbackTuple
+	NotificationCallbacks []CallbackTuple
+
+	DirtyNodes    map[string][]*node
+	KvStore       *Backend
+	Loading       bool
+	RevisionClass interface{}
+
+	mutex sync.RWMutex
+}
+
+// NewRoot creates an new instance of a root object
+func NewRoot(initialData interface{}, kvStore *Backend) *root {
+	root := &root{}
+
+	root.KvStore = kvStore
+	root.DirtyNodes = make(map[string][]*node)
+	root.Loading = false
+
+	// If there is no storage in place just revert to
+	// a non persistent mechanism
+	if kvStore != nil {
+		root.RevisionClass = reflect.TypeOf(PersistedRevision{})
+	} else {
+		root.RevisionClass = reflect.TypeOf(NonPersistedRevision{})
+	}
+
+	root.Callbacks = []CallbackTuple{}
+	root.NotificationCallbacks = []CallbackTuple{}
+
+	root.node = NewNode(root, initialData, false, "")
+
+	return root
+}
+
+// MakeTxBranch creates a new transaction branch
+func (r *root) MakeTxBranch() string {
+	txidBin, _ := uuid.New().MarshalBinary()
+	txid := hex.EncodeToString(txidBin)[:12]
+
+	r.DirtyNodes[txid] = []*node{r.node}
+	r.node.MakeBranch(txid)
+
+	return txid
+}
+
+// DeleteTxBranch removes a transaction branch
+func (r *root) DeleteTxBranch(txid string) {
+	for _, dirtyNode := range r.DirtyNodes[txid] {
+		dirtyNode.DeleteBranch(txid)
+	}
+	delete(r.DirtyNodes, txid)
+	r.node.DeleteBranch(txid)
+}
+
+// FoldTxBranch will merge the contents of a transaction branch with the root object
+func (r *root) FoldTxBranch(txid string) {
+	// Start by doing a dry run of the merge
+	// If that fails, it bails out and the branch is deleted
+	if _, err := r.node.MergeBranch(txid, true); err != nil {
+		// Merge operation fails
+		r.DeleteTxBranch(txid)
+	} else {
+		r.node.MergeBranch(txid, false)
+		r.node.GetRoot().ExecuteCallbacks()
+		r.DeleteTxBranch(txid)
+	}
+}
+
+// ExecuteCallbacks will invoke all the callbacks linked to root object
+func (r *root) ExecuteCallbacks() {
+	r.mutex.Lock()
+	defer r.mutex.Unlock()
+
+	for len(r.Callbacks) > 0 {
+		callback := r.Callbacks[0]
+		r.Callbacks = r.Callbacks[1:]
+		go callback.Execute(nil)
+	}
+	//for len(r.NotificationCallbacks) > 0 {
+	//	callback := r.NotificationCallbacks[0]
+	//	r.NotificationCallbacks = r.NotificationCallbacks[1:]
+	//	go callback.Execute(nil)
+	//}
+}
+
+func (r *root) hasCallbacks() bool {
+	return len(r.Callbacks) == 0
+}
+
+// getCallbacks returns the available callbacks
+func (r *root) GetCallbacks() []CallbackTuple {
+	r.mutex.Lock()
+	defer r.mutex.Unlock()
+
+	return r.Callbacks
+}
+
+// getCallbacks returns the available notification callbacks
+func (r *root) GetNotificationCallbacks() []CallbackTuple {
+	r.mutex.Lock()
+	defer r.mutex.Unlock()
+
+	return r.NotificationCallbacks
+}
+
+// AddCallback inserts a new callback with its arguments
+func (r *root) AddCallback(callback CallbackFunction, args ...interface{}) {
+	r.mutex.Lock()
+	defer r.mutex.Unlock()
+
+	r.Callbacks = append(r.Callbacks, CallbackTuple{callback, args})
+}
+
+// AddNotificationCallback inserts a new notification callback with its arguments
+func (r *root) AddNotificationCallback(callback CallbackFunction, args ...interface{}) {
+	r.mutex.Lock()
+	defer r.mutex.Unlock()
+
+	r.NotificationCallbacks = append(r.NotificationCallbacks, CallbackTuple{callback, args})
+}
+
+func (r *root) syncParent(childRev Revision, txid string) {
+	data := proto.Clone(r.GetProxy().ParentNode.Latest().GetData().(proto.Message))
+
+	for fieldName, _ := range ChildrenFields(data) {
+		childDataName, childDataHolder := GetAttributeValue(data, fieldName, 0)
+		if reflect.TypeOf(childRev.GetData()) == reflect.TypeOf(childDataHolder.Interface()) {
+			childDataHolder = reflect.ValueOf(childRev.GetData())
+			reflect.ValueOf(data).Elem().FieldByName(childDataName).Set(childDataHolder)
+		}
+	}
+
+	r.GetProxy().ParentNode.Latest().SetConfig(NewDataRevision(r.GetProxy().ParentNode.GetRoot(), data))
+	r.GetProxy().ParentNode.Latest(txid).Finalize(false)
+}
+
+// Update modifies the content of an object at a given path with the provided data
+func (r *root) Update(ctx context.Context, path string, data interface{}, strict bool, txid string, makeBranch MakeBranchFunction) Revision {
+	var result Revision
+
+	if makeBranch != nil {
+		// TODO: raise error
+	}
+
+	if r.hasCallbacks() {
+		// TODO: raise error
+	}
+
+	if txid != "" {
+		trackDirty := func(node *node) *Branch {
+			r.DirtyNodes[txid] = append(r.DirtyNodes[txid], node)
+			return node.MakeBranch(txid)
+		}
+		result = r.node.Update(ctx, path, data, strict, txid, trackDirty)
+	} else {
+		result = r.node.Update(ctx, path, data, strict, "", nil)
+	}
+
+	if result != nil {
+		if r.GetProxy().FullPath != r.GetProxy().Path {
+			r.syncParent(result, txid)
+		} else {
+			result.Finalize(false)
+		}
+	}
+
+	r.node.GetRoot().ExecuteCallbacks()
+
+	return result
+}
+
+// Add creates a new object at the given path with the provided data
+func (r *root) Add(ctx context.Context, path string, data interface{}, txid string, makeBranch MakeBranchFunction) Revision {
+	var result Revision
+
+	if makeBranch != nil {
+		// TODO: raise error
+	}
+
+	if r.hasCallbacks() {
+		// TODO: raise error
+	}
+
+	if txid != "" {
+		trackDirty := func(node *node) *Branch {
+			r.DirtyNodes[txid] = append(r.DirtyNodes[txid], node)
+			return node.MakeBranch(txid)
+		}
+		result = r.node.Add(ctx, path, data, txid, trackDirty)
+	} else {
+		result = r.node.Add(ctx, path, data, "", nil)
+	}
+
+	if result != nil {
+		result.Finalize(true)
+		r.node.GetRoot().ExecuteCallbacks()
+	}
+	return result
+}
+
+// Remove discards an object at a given path
+func (r *root) Remove(ctx context.Context, path string, txid string, makeBranch MakeBranchFunction) Revision {
+	var result Revision
+
+	if makeBranch != nil {
+		// TODO: raise error
+	}
+
+	if r.hasCallbacks() {
+		// TODO: raise error
+	}
+
+	if txid != "" {
+		trackDirty := func(node *node) *Branch {
+			r.DirtyNodes[txid] = append(r.DirtyNodes[txid], node)
+			return node.MakeBranch(txid)
+		}
+		result = r.node.Remove(ctx, path, txid, trackDirty)
+	} else {
+		result = r.node.Remove(ctx, path, "", nil)
+	}
+
+	r.node.GetRoot().ExecuteCallbacks()
+
+	return result
+}
+
+// MakeLatest updates a branch with the latest node revision
+func (r *root) MakeLatest(branch *Branch, revision Revision, changeAnnouncement []ChangeTuple) {
+	r.makeLatest(branch, revision, changeAnnouncement)
+}
+
+func (r *root) MakeRevision(branch *Branch, data interface{}, children map[string][]Revision) Revision {
+	if r.RevisionClass.(reflect.Type) == reflect.TypeOf(PersistedRevision{}) {
+		return NewPersistedRevision(branch, data, children)
+	}
+
+	return NewNonPersistedRevision(r, branch, data, children)
+}
+
+func (r *root) makeLatest(branch *Branch, revision Revision, changeAnnouncement []ChangeTuple) {
+	r.node.makeLatest(branch, revision, changeAnnouncement)
+
+	if r.KvStore != nil && branch.Txid == "" {
+		tags := make(map[string]string)
+		for k, v := range r.node.Tags {
+			tags[k] = v.GetHash()
+		}
+		data := &rootData{
+			Latest: branch.GetLatest().GetHash(),
+			Tags:   tags,
+		}
+		if blob, err := json.Marshal(data); err != nil {
+			// TODO report error
+		} else {
+			log.Debugf("Changing root to : %s", string(blob))
+			if err := r.KvStore.Put("root", blob); err != nil {
+				log.Errorf("failed to properly put value in kvstore - err: %s", err.Error())
+			}
+		}
+	}
+}
+
+type rootData struct {
+	Latest string            `json:"latest"`
+	Tags   map[string]string `json:"tags"`
+}