diff --git a/pkg/db/model/event_bus.go b/pkg/db/model/event_bus.go
new file mode 100644
index 0000000..079e3b2
--- /dev/null
+++ b/pkg/db/model/event_bus.go
@@ -0,0 +1,94 @@
+/*
+ * 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 (
+	"encoding/json"
+	"github.com/golang/protobuf/proto"
+	"github.com/opencord/voltha-lib-go/pkg/common/log"
+	"github.com/opencord/voltha-protos/go/voltha"
+)
+
+// EventBus contains the details required to communicate with the event bus mechanism
+type EventBus struct {
+	client *EventBusClient
+	topic  string
+}
+
+// ignoredCallbacks keeps a list of callbacks that should not be advertised on the event bus
+var (
+	ignoredCallbacks = map[CallbackType]struct{}{
+		PRE_ADD:         {},
+		GET:             {},
+		POST_LISTCHANGE: {},
+		PRE_REMOVE:      {},
+		PRE_UPDATE:      {},
+	}
+)
+
+// NewEventBus creates a new instance of the EventBus structure
+func NewEventBus() *EventBus {
+	bus := &EventBus{
+		client: NewEventBusClient(),
+		topic:  "model-change-events",
+	}
+	return bus
+}
+
+// Advertise will publish the provided information to the event bus
+func (bus *EventBus) Advertise(args ...interface{}) interface{} {
+	eventType := args[0].(CallbackType)
+	hash := args[1].(string)
+	data := args[2:]
+
+	if _, ok := ignoredCallbacks[eventType]; ok {
+		log.Debugf("ignoring event - type:%s, data:%+v", eventType, data)
+	}
+	var kind voltha.ConfigEventType_ConfigEventType
+	switch eventType {
+	case POST_ADD:
+		kind = voltha.ConfigEventType_add
+	case POST_REMOVE:
+		kind = voltha.ConfigEventType_remove
+	default:
+		kind = voltha.ConfigEventType_update
+	}
+
+	var msg []byte
+	var err error
+	if IsProtoMessage(data) {
+		if msg, err = proto.Marshal(data[0].(proto.Message)); err != nil {
+			log.Debugf("problem marshalling proto data: %+v, err:%s", data[0], err.Error())
+		}
+	} else if data[0] != nil {
+		if msg, err = json.Marshal(data[0]); err != nil {
+			log.Debugf("problem marshalling json data: %+v, err:%s", data[0], err.Error())
+		}
+	} else {
+		log.Debugf("no data to advertise : %+v", data[0])
+	}
+
+	event := voltha.ConfigEvent{
+		Type: kind,
+		Hash: hash,
+		Data: string(msg),
+	}
+
+	bus.client.Publish(bus.topic, event)
+
+	return nil
+}