diff --git a/VERSION b/VERSION
index 3e70c7f..70426f8 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.1.5-dev
+0.2.0-dev
diff --git a/go/voltha.pb b/go/voltha.pb
index 26af16c..3aaf45e 100644
--- a/go/voltha.pb
+++ b/go/voltha.pb
Binary files differ
diff --git a/go/voltha/events.pb.go b/go/voltha/events.pb.go
index 43e5a48..0a43011 100644
--- a/go/voltha/events.pb.go
+++ b/go/voltha/events.pb.go
@@ -205,6 +205,108 @@
 	return fileDescriptor_e63e6c07044fd2c4, []int{11, 0}
 }
 
+type EventCategory_EventCategory int32
+
+const (
+	EventCategory_COMMUNICATION EventCategory_EventCategory = 0
+	EventCategory_ENVIRONMENT   EventCategory_EventCategory = 1
+	EventCategory_EQUIPMENT     EventCategory_EventCategory = 2
+	EventCategory_SERVICE       EventCategory_EventCategory = 3
+	EventCategory_PROCESSING    EventCategory_EventCategory = 4
+	EventCategory_SECURITY      EventCategory_EventCategory = 5
+)
+
+var EventCategory_EventCategory_name = map[int32]string{
+	0: "COMMUNICATION",
+	1: "ENVIRONMENT",
+	2: "EQUIPMENT",
+	3: "SERVICE",
+	4: "PROCESSING",
+	5: "SECURITY",
+}
+
+var EventCategory_EventCategory_value = map[string]int32{
+	"COMMUNICATION": 0,
+	"ENVIRONMENT":   1,
+	"EQUIPMENT":     2,
+	"SERVICE":       3,
+	"PROCESSING":    4,
+	"SECURITY":      5,
+}
+
+func (x EventCategory_EventCategory) String() string {
+	return proto.EnumName(EventCategory_EventCategory_name, int32(x))
+}
+
+func (EventCategory_EventCategory) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_e63e6c07044fd2c4, []int{14, 0}
+}
+
+type EventSubCategory_EventSubCategory int32
+
+const (
+	EventSubCategory_PON EventSubCategory_EventSubCategory = 0
+	EventSubCategory_OLT EventSubCategory_EventSubCategory = 1
+	EventSubCategory_ONT EventSubCategory_EventSubCategory = 2
+	EventSubCategory_ONU EventSubCategory_EventSubCategory = 3
+	EventSubCategory_NNI EventSubCategory_EventSubCategory = 4
+)
+
+var EventSubCategory_EventSubCategory_name = map[int32]string{
+	0: "PON",
+	1: "OLT",
+	2: "ONT",
+	3: "ONU",
+	4: "NNI",
+}
+
+var EventSubCategory_EventSubCategory_value = map[string]int32{
+	"PON": 0,
+	"OLT": 1,
+	"ONT": 2,
+	"ONU": 3,
+	"NNI": 4,
+}
+
+func (x EventSubCategory_EventSubCategory) String() string {
+	return proto.EnumName(EventSubCategory_EventSubCategory_name, int32(x))
+}
+
+func (EventSubCategory_EventSubCategory) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_e63e6c07044fd2c4, []int{15, 0}
+}
+
+type EventType_EventType int32
+
+const (
+	EventType_CONFIG_EVENT EventType_EventType = 0
+	EventType_KPI_EVENT    EventType_EventType = 1
+	EventType_KPI_EVENT2   EventType_EventType = 2
+	EventType_DEVICE_EVENT EventType_EventType = 3
+)
+
+var EventType_EventType_name = map[int32]string{
+	0: "CONFIG_EVENT",
+	1: "KPI_EVENT",
+	2: "KPI_EVENT2",
+	3: "DEVICE_EVENT",
+}
+
+var EventType_EventType_value = map[string]int32{
+	"CONFIG_EVENT": 0,
+	"KPI_EVENT":    1,
+	"KPI_EVENT2":   2,
+	"DEVICE_EVENT": 3,
+}
+
+func (x EventType_EventType) String() string {
+	return proto.EnumName(EventType_EventType_name, int32(x))
+}
+
+func (EventType_EventType) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_e63e6c07044fd2c4, []int{16, 0}
+}
+
 type ConfigEventType struct {
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
@@ -617,6 +719,8 @@
 
 //
 // Identify to the area of the system impacted by the alarm
+// To be deprecated once python version of OpenOLT adapter
+// moves to the new event defination for device alarms
 type AlarmEventType struct {
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
@@ -650,6 +754,9 @@
 
 //
 // Identify to the functional category originating the alarm
+// To be deprecated once python version of OpenOLT adapter
+// as well as OpenONU adapter moves to the new event
+// defination for device alarms
 type AlarmEventCategory struct {
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
@@ -683,6 +790,9 @@
 
 //
 // Active state of the alarm
+// To be deprecated once python version of OpenOLT adapter
+// as well as OpenONU adapter moves to the new event
+// defination for device alarms
 type AlarmEventState struct {
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
@@ -716,6 +826,9 @@
 
 //
 // Identify the overall impact of the alarm on the system
+// To be deprecated once python version of OpenOLT adapter
+// as well as OpenONU adapter moves to the new event
+// defination for device alarms
 type AlarmEventSeverity struct {
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
@@ -748,7 +861,9 @@
 var xxx_messageInfo_AlarmEventSeverity proto.InternalMessageInfo
 
 //
-//
+// To be deprecated once python version of OpenOLT adapter
+// as well as OpenONU adapter moves to the new event
+// defination for device alarms
 type AlarmEvent struct {
 	// Unique ID for this alarm.  e.g. voltha.some_olt.1234
 	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
@@ -897,6 +1012,404 @@
 	return ""
 }
 
+//
+// Describes the events specific to device
+type DeviceEvent struct {
+	// Identifier of the originating resource of the event, for ex: device_id
+	ResourceId string `protobuf:"bytes,1,opt,name=resource_id,json=resourceId,proto3" json:"resource_id,omitempty"`
+	// device_event_name indicates clearly the name of the device event
+	DeviceEventName string `protobuf:"bytes,2,opt,name=device_event_name,json=deviceEventName,proto3" json:"device_event_name,omitempty"`
+	// Textual explanation of the device event
+	Description string `protobuf:"bytes,3,opt,name=description,proto3" json:"description,omitempty"`
+	// Key/Value storage for extra information that may give context to the event
+	Context              map[string]string `protobuf:"bytes,4,rep,name=context,proto3" json:"context,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
+}
+
+func (m *DeviceEvent) Reset()         { *m = DeviceEvent{} }
+func (m *DeviceEvent) String() string { return proto.CompactTextString(m) }
+func (*DeviceEvent) ProtoMessage()    {}
+func (*DeviceEvent) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e63e6c07044fd2c4, []int{13}
+}
+
+func (m *DeviceEvent) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_DeviceEvent.Unmarshal(m, b)
+}
+func (m *DeviceEvent) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_DeviceEvent.Marshal(b, m, deterministic)
+}
+func (m *DeviceEvent) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DeviceEvent.Merge(m, src)
+}
+func (m *DeviceEvent) XXX_Size() int {
+	return xxx_messageInfo_DeviceEvent.Size(m)
+}
+func (m *DeviceEvent) XXX_DiscardUnknown() {
+	xxx_messageInfo_DeviceEvent.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DeviceEvent proto.InternalMessageInfo
+
+func (m *DeviceEvent) GetResourceId() string {
+	if m != nil {
+		return m.ResourceId
+	}
+	return ""
+}
+
+func (m *DeviceEvent) GetDeviceEventName() string {
+	if m != nil {
+		return m.DeviceEventName
+	}
+	return ""
+}
+
+func (m *DeviceEvent) GetDescription() string {
+	if m != nil {
+		return m.Description
+	}
+	return ""
+}
+
+func (m *DeviceEvent) GetContext() map[string]string {
+	if m != nil {
+		return m.Context
+	}
+	return nil
+}
+
+//
+// Identify the area of the system impacted by the event.
+type EventCategory struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *EventCategory) Reset()         { *m = EventCategory{} }
+func (m *EventCategory) String() string { return proto.CompactTextString(m) }
+func (*EventCategory) ProtoMessage()    {}
+func (*EventCategory) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e63e6c07044fd2c4, []int{14}
+}
+
+func (m *EventCategory) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_EventCategory.Unmarshal(m, b)
+}
+func (m *EventCategory) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_EventCategory.Marshal(b, m, deterministic)
+}
+func (m *EventCategory) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EventCategory.Merge(m, src)
+}
+func (m *EventCategory) XXX_Size() int {
+	return xxx_messageInfo_EventCategory.Size(m)
+}
+func (m *EventCategory) XXX_DiscardUnknown() {
+	xxx_messageInfo_EventCategory.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_EventCategory proto.InternalMessageInfo
+
+//
+// Identify the functional category originating the event
+type EventSubCategory struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *EventSubCategory) Reset()         { *m = EventSubCategory{} }
+func (m *EventSubCategory) String() string { return proto.CompactTextString(m) }
+func (*EventSubCategory) ProtoMessage()    {}
+func (*EventSubCategory) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e63e6c07044fd2c4, []int{15}
+}
+
+func (m *EventSubCategory) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_EventSubCategory.Unmarshal(m, b)
+}
+func (m *EventSubCategory) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_EventSubCategory.Marshal(b, m, deterministic)
+}
+func (m *EventSubCategory) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EventSubCategory.Merge(m, src)
+}
+func (m *EventSubCategory) XXX_Size() int {
+	return xxx_messageInfo_EventSubCategory.Size(m)
+}
+func (m *EventSubCategory) XXX_DiscardUnknown() {
+	xxx_messageInfo_EventSubCategory.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_EventSubCategory proto.InternalMessageInfo
+
+//
+// Identify the type of event
+type EventType struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *EventType) Reset()         { *m = EventType{} }
+func (m *EventType) String() string { return proto.CompactTextString(m) }
+func (*EventType) ProtoMessage()    {}
+func (*EventType) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e63e6c07044fd2c4, []int{16}
+}
+
+func (m *EventType) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_EventType.Unmarshal(m, b)
+}
+func (m *EventType) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_EventType.Marshal(b, m, deterministic)
+}
+func (m *EventType) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EventType.Merge(m, src)
+}
+func (m *EventType) XXX_Size() int {
+	return xxx_messageInfo_EventType.Size(m)
+}
+func (m *EventType) XXX_DiscardUnknown() {
+	xxx_messageInfo_EventType.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_EventType proto.InternalMessageInfo
+
+//
+// Identify the functional category originating the event
+type EventHeader struct {
+	// Unique ID for this event.  e.g. voltha.some_olt.1234
+	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	// Refers to the functional area affect by the event
+	Category EventCategory_EventCategory `protobuf:"varint,2,opt,name=category,proto3,enum=voltha.EventCategory_EventCategory" json:"category,omitempty"`
+	// Refers to functional category of the event
+	SubCategory EventSubCategory_EventSubCategory `protobuf:"varint,3,opt,name=sub_category,json=subCategory,proto3,enum=voltha.EventSubCategory_EventSubCategory" json:"sub_category,omitempty"`
+	// Refers to the type of the event
+	Type EventType_EventType `protobuf:"varint,4,opt,name=type,proto3,enum=voltha.EventType_EventType" json:"type,omitempty"`
+	// The version identifier for this event type, thus allowing each
+	// event type to evolve independently. The version should be in the
+	// format “MAJOR.MINOR” format and minor changes must only be additive
+	// and non-breaking.
+	TypeVersion string `protobuf:"bytes,5,opt,name=type_version,json=typeVersion,proto3" json:"type_version,omitempty"`
+	// Timestamp at which the event was first raised.
+	// This represents the UTC time stamp since epoch (in seconds) when the
+	// the event was first raised from the source entity.
+	// If the source entity doesn't send the raised_ts, this shall be set
+	// to timestamp when the event was received.
+	RaisedTs float32 `protobuf:"fixed32,6,opt,name=raised_ts,json=raisedTs,proto3" json:"raised_ts,omitempty"`
+	// Timestamp at which the event was reported.
+	// This represents the UTC time stamp since epoch (in seconds) when the
+	// the event was reported (this time stamp is >= raised_ts).
+	// If the source entity that reported this event doesn't send the
+	// reported_ts, this shall be set to the same value as raised_ts.
+	ReportedTs           float32  `protobuf:"fixed32,7,opt,name=reported_ts,json=reportedTs,proto3" json:"reported_ts,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *EventHeader) Reset()         { *m = EventHeader{} }
+func (m *EventHeader) String() string { return proto.CompactTextString(m) }
+func (*EventHeader) ProtoMessage()    {}
+func (*EventHeader) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e63e6c07044fd2c4, []int{17}
+}
+
+func (m *EventHeader) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_EventHeader.Unmarshal(m, b)
+}
+func (m *EventHeader) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_EventHeader.Marshal(b, m, deterministic)
+}
+func (m *EventHeader) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EventHeader.Merge(m, src)
+}
+func (m *EventHeader) XXX_Size() int {
+	return xxx_messageInfo_EventHeader.Size(m)
+}
+func (m *EventHeader) XXX_DiscardUnknown() {
+	xxx_messageInfo_EventHeader.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_EventHeader proto.InternalMessageInfo
+
+func (m *EventHeader) GetId() string {
+	if m != nil {
+		return m.Id
+	}
+	return ""
+}
+
+func (m *EventHeader) GetCategory() EventCategory_EventCategory {
+	if m != nil {
+		return m.Category
+	}
+	return EventCategory_COMMUNICATION
+}
+
+func (m *EventHeader) GetSubCategory() EventSubCategory_EventSubCategory {
+	if m != nil {
+		return m.SubCategory
+	}
+	return EventSubCategory_PON
+}
+
+func (m *EventHeader) GetType() EventType_EventType {
+	if m != nil {
+		return m.Type
+	}
+	return EventType_CONFIG_EVENT
+}
+
+func (m *EventHeader) GetTypeVersion() string {
+	if m != nil {
+		return m.TypeVersion
+	}
+	return ""
+}
+
+func (m *EventHeader) GetRaisedTs() float32 {
+	if m != nil {
+		return m.RaisedTs
+	}
+	return 0
+}
+
+func (m *EventHeader) GetReportedTs() float32 {
+	if m != nil {
+		return m.ReportedTs
+	}
+	return 0
+}
+
+//
+// Event Structure
+type Event struct {
+	// event header
+	Header *EventHeader `protobuf:"bytes,1,opt,name=header,proto3" json:"header,omitempty"`
+	// oneof event types referred by EventType.
+	//
+	// Types that are valid to be assigned to EventType:
+	//	*Event_ConfigEvent
+	//	*Event_KpiEvent
+	//	*Event_KpiEvent2
+	//	*Event_DeviceEvent
+	EventType            isEvent_EventType `protobuf_oneof:"event_type"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
+}
+
+func (m *Event) Reset()         { *m = Event{} }
+func (m *Event) String() string { return proto.CompactTextString(m) }
+func (*Event) ProtoMessage()    {}
+func (*Event) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e63e6c07044fd2c4, []int{18}
+}
+
+func (m *Event) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Event.Unmarshal(m, b)
+}
+func (m *Event) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Event.Marshal(b, m, deterministic)
+}
+func (m *Event) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Event.Merge(m, src)
+}
+func (m *Event) XXX_Size() int {
+	return xxx_messageInfo_Event.Size(m)
+}
+func (m *Event) XXX_DiscardUnknown() {
+	xxx_messageInfo_Event.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Event proto.InternalMessageInfo
+
+func (m *Event) GetHeader() *EventHeader {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+type isEvent_EventType interface {
+	isEvent_EventType()
+}
+
+type Event_ConfigEvent struct {
+	ConfigEvent *ConfigEvent `protobuf:"bytes,2,opt,name=config_event,json=configEvent,proto3,oneof"`
+}
+
+type Event_KpiEvent struct {
+	KpiEvent *KpiEvent `protobuf:"bytes,3,opt,name=kpi_event,json=kpiEvent,proto3,oneof"`
+}
+
+type Event_KpiEvent2 struct {
+	KpiEvent2 *KpiEvent2 `protobuf:"bytes,4,opt,name=kpi_event2,json=kpiEvent2,proto3,oneof"`
+}
+
+type Event_DeviceEvent struct {
+	DeviceEvent *DeviceEvent `protobuf:"bytes,5,opt,name=device_event,json=deviceEvent,proto3,oneof"`
+}
+
+func (*Event_ConfigEvent) isEvent_EventType() {}
+
+func (*Event_KpiEvent) isEvent_EventType() {}
+
+func (*Event_KpiEvent2) isEvent_EventType() {}
+
+func (*Event_DeviceEvent) isEvent_EventType() {}
+
+func (m *Event) GetEventType() isEvent_EventType {
+	if m != nil {
+		return m.EventType
+	}
+	return nil
+}
+
+func (m *Event) GetConfigEvent() *ConfigEvent {
+	if x, ok := m.GetEventType().(*Event_ConfigEvent); ok {
+		return x.ConfigEvent
+	}
+	return nil
+}
+
+func (m *Event) GetKpiEvent() *KpiEvent {
+	if x, ok := m.GetEventType().(*Event_KpiEvent); ok {
+		return x.KpiEvent
+	}
+	return nil
+}
+
+func (m *Event) GetKpiEvent2() *KpiEvent2 {
+	if x, ok := m.GetEventType().(*Event_KpiEvent2); ok {
+		return x.KpiEvent2
+	}
+	return nil
+}
+
+func (m *Event) GetDeviceEvent() *DeviceEvent {
+	if x, ok := m.GetEventType().(*Event_DeviceEvent); ok {
+		return x.DeviceEvent
+	}
+	return nil
+}
+
+// XXX_OneofWrappers is for the internal use of the proto package.
+func (*Event) XXX_OneofWrappers() []interface{} {
+	return []interface{}{
+		(*Event_ConfigEvent)(nil),
+		(*Event_KpiEvent)(nil),
+		(*Event_KpiEvent2)(nil),
+		(*Event_DeviceEvent)(nil),
+	}
+}
+
 func init() {
 	proto.RegisterEnum("voltha.ConfigEventType_ConfigEventType", ConfigEventType_ConfigEventType_name, ConfigEventType_ConfigEventType_value)
 	proto.RegisterEnum("voltha.KpiEventType_KpiEventType", KpiEventType_KpiEventType_name, KpiEventType_KpiEventType_value)
@@ -904,6 +1417,9 @@
 	proto.RegisterEnum("voltha.AlarmEventCategory_AlarmEventCategory", AlarmEventCategory_AlarmEventCategory_name, AlarmEventCategory_AlarmEventCategory_value)
 	proto.RegisterEnum("voltha.AlarmEventState_AlarmEventState", AlarmEventState_AlarmEventState_name, AlarmEventState_AlarmEventState_value)
 	proto.RegisterEnum("voltha.AlarmEventSeverity_AlarmEventSeverity", AlarmEventSeverity_AlarmEventSeverity_name, AlarmEventSeverity_AlarmEventSeverity_value)
+	proto.RegisterEnum("voltha.EventCategory_EventCategory", EventCategory_EventCategory_name, EventCategory_EventCategory_value)
+	proto.RegisterEnum("voltha.EventSubCategory_EventSubCategory", EventSubCategory_EventSubCategory_name, EventSubCategory_EventSubCategory_value)
+	proto.RegisterEnum("voltha.EventType_EventType", EventType_EventType_name, EventType_EventType_value)
 	proto.RegisterType((*ConfigEventType)(nil), "voltha.ConfigEventType")
 	proto.RegisterType((*ConfigEvent)(nil), "voltha.ConfigEvent")
 	proto.RegisterType((*KpiEventType)(nil), "voltha.KpiEventType")
@@ -922,75 +1438,102 @@
 	proto.RegisterType((*AlarmEventSeverity)(nil), "voltha.AlarmEventSeverity")
 	proto.RegisterType((*AlarmEvent)(nil), "voltha.AlarmEvent")
 	proto.RegisterMapType((map[string]string)(nil), "voltha.AlarmEvent.ContextEntry")
+	proto.RegisterType((*DeviceEvent)(nil), "voltha.DeviceEvent")
+	proto.RegisterMapType((map[string]string)(nil), "voltha.DeviceEvent.ContextEntry")
+	proto.RegisterType((*EventCategory)(nil), "voltha.EventCategory")
+	proto.RegisterType((*EventSubCategory)(nil), "voltha.EventSubCategory")
+	proto.RegisterType((*EventType)(nil), "voltha.EventType")
+	proto.RegisterType((*EventHeader)(nil), "voltha.EventHeader")
+	proto.RegisterType((*Event)(nil), "voltha.Event")
 }
 
 func init() { proto.RegisterFile("voltha_protos/events.proto", fileDescriptor_e63e6c07044fd2c4) }
 
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+	0x75, 0xa4, 0x2a, 0x28, 0xc4, 0x78, 0xab, 0xf5, 0x68, 0xd5, 0x7d, 0x51, 0xe3, 0x35, 0x10, 0x5e,
+	0xba, 0xa3, 0x27, 0x50, 0x8e, 0x79, 0xd9, 0x84, 0x60, 0xa7, 0xae, 0xac, 0x5c, 0x55, 0xf3, 0x73,
+	0x2c, 0xbd, 0x38, 0x93, 0x58, 0xd5, 0x4c, 0xa8, 0xfa, 0x5a, 0x26, 0x8b, 0xaa, 0xae, 0x81, 0xf0,
+	0xd2, 0x9d, 0xdf, 0x10, 0x11, 0xf1, 0x63, 0xea, 0x0d, 0x59, 0xdc, 0xa8, 0x88, 0x23, 0x5f, 0x95,
+	0xc0, 0x20, 0x46, 0x77, 0xc0, 0x88, 0xe8, 0x2c, 0x8c, 0x98, 0x5c, 0xde, 0x10, 0xcb, 0xb0, 0x80,
+	0x06, 0x31, 0xfa, 0x00, 0x60, 0x74, 0x49, 0x82, 0xb1, 0x5c, 0xaf, 0x8a, 0xf5, 0x9a, 0x42, 0x16,
+	0xfe, 0x71, 0x78, 0x1d, 0xc9, 0x0b, 0xa8, 0x26, 0x76, 0x01, 0x16, 0x90, 0xe3, 0xa1, 0x3d, 0x30,
+	0x3c, 0x1a, 0x8f, 0x22, 0x7f, 0xc6, 0x4f, 0x54, 0x03, 0x84, 0x41, 0x1a, 0x42, 0x8f, 0x93, 0x4b,
+	0xca, 0x10, 0x07, 0xf2, 0xce, 0x6a, 0xa6, 0xeb, 0x2f, 0xa8, 0xf5, 0xb7, 0x68, 0x7d, 0xfd, 0x2d,
+	0x7a, 0x0f, 0xb6, 0x09, 0x8f, 0x37, 0xe4, 0x3b, 0x3d, 0x0c, 0xc8, 0x94, 0x36, 0x36, 0x85, 0xe5,
+	0xa6, 0x80, 0x79, 0x17, 0xb8, 0x64, 0x4a, 0xdf, 0xe9, 0xd2, 0xfb, 0x4b, 0x03, 0x43, 0x7e, 0x50,
+	0xb6, 0x66, 0xae, 0x3a, 0xda, 0x4a, 0x75, 0x1e, 0xc0, 0x8e, 0x22, 0x2e, 0x1e, 0x61, 0x92, 0x96,
+	0x0c, 0xbb, 0xed, 0x25, 0x81, 0x38, 0xb1, 0x7c, 0x25, 0x8b, 0xab, 0x95, 0x3c, 0x4c, 0x2a, 0x59,
+	0x12, 0x95, 0xdc, 0x5b, 0x54, 0x32, 0x45, 0xea, 0x3d, 0xdc, 0xf5, 0x3f, 0xc1, 0x66, 0x56, 0x93,
+	0xa6, 0x39, 0xe0, 0x3d, 0x0b, 0x63, 0x1f, 0x4c, 0xd9, 0xfc, 0xd7, 0x17, 0x4b, 0x0a, 0x4f, 0x57,
+	0xb1, 0x7f, 0x27, 0x8a, 0x3f, 0x42, 0x2d, 0x91, 0x7a, 0x37, 0x35, 0x41, 0x26, 0xd4, 0x3b, 0x3d,
+	0xf7, 0x6b, 0xe7, 0xf9, 0xd0, 0x3e, 0xe7, 0x5c, 0x0b, 0x9c, 0xfa, 0x8b, 0x53, 0x47, 0x4d, 0x35,
+	0xce, 0x76, 0x39, 0x6d, 0x99, 0x3a, 0x77, 0x38, 0xb2, 0x79, 0x26, 0xca, 0xa2, 0x68, 0xfd, 0xae,
+	0x83, 0x21, 0x02, 0x1e, 0x53, 0xe2, 0xd1, 0x68, 0x45, 0xc3, 0x9e, 0xa6, 0x84, 0x48, 0xea, 0xd8,
+	0xf2, 0xe5, 0x96, 0xd5, 0xa0, 0xb7, 0xc9, 0xcf, 0x09, 0xd4, 0xe3, 0xeb, 0x8b, 0x61, 0x4e, 0xcd,
+	0x3e, 0xcd, 0x04, 0x49, 0x95, 0x66, 0x05, 0xc0, 0x46, 0x9c, 0x2a, 0x5c, 0x53, 0x49, 0xaa, 0xd4,
+	0xb2, 0xdb, 0x99, 0x28, 0x42, 0x4d, 0xf3, 0x42, 0x7a, 0x17, 0xea, 0xe2, 0x98, 0xcd, 0x69, 0x14,
+	0xf3, 0x66, 0x95, 0x0f, 0x53, 0x83, 0x63, 0xe7, 0x12, 0x7a, 0x37, 0x59, 0xb2, 0x7e, 0xd3, 0xa1,
+	0x2c, 0xcf, 0xd8, 0x43, 0xa8, 0x5c, 0x8a, 0x22, 0xaa, 0xe7, 0xdb, 0xad, 0x0c, 0x3b, 0x59, 0x5f,
+	0xac, 0x4c, 0xd0, 0x01, 0xd4, 0x47, 0xe2, 0x1f, 0x41, 0x9e, 0x37, 0xf5, 0x1e, 0xb9, 0xb5, 0xe6,
+	0x7f, 0xe2, 0xb8, 0x80, 0x8d, 0x51, 0xea, 0x0f, 0xa4, 0x09, 0xb5, 0xab, 0x99, 0xaf, 0xdc, 0x8a,
+	0xc2, 0xcd, 0xcc, 0xbf, 0x42, 0x8e, 0x0b, 0xb8, 0x7a, 0xb5, 0x78, 0x99, 0xb5, 0x00, 0x96, 0x0e,
+	0x2d, 0x51, 0x39, 0xa3, 0xb5, 0x93, 0xf7, 0x68, 0x1d, 0x17, 0x70, 0xed, 0x6a, 0xf9, 0xca, 0x39,
+	0x80, 0x7a, 0x5a, 0x0e, 0x44, 0xd9, 0x52, 0xf4, 0x52, 0xa7, 0x98, 0xd3, 0x4b, 0x09, 0xc4, 0xb3,
+	0x3a, 0x80, 0x54, 0x10, 0x5e, 0xe2, 0x67, 0x8f, 0x7e, 0x78, 0x38, 0xf6, 0xd9, 0xe5, 0xf5, 0xc5,
+	0xfe, 0x28, 0x9c, 0x36, 0xc3, 0x19, 0x0d, 0x46, 0x61, 0xe4, 0x35, 0x65, 0x98, 0x47, 0xea, 0x97,
+	0x6e, 0x1c, 0x2a, 0xe0, 0xa2, 0x22, 0x90, 0xcf, 0xff, 0x0e, 0x00, 0x00, 0xff, 0xff, 0xa8, 0xa0,
+	0xf6, 0xcb, 0x18, 0x0e, 0x00, 0x00,
 }
diff --git a/protos/voltha_protos/events.proto b/protos/voltha_protos/events.proto
index 0a2c0e4..6c93a02 100644
--- a/protos/voltha_protos/events.proto
+++ b/protos/voltha_protos/events.proto
@@ -102,6 +102,8 @@
 
 /*
  * Identify to the area of the system impacted by the alarm
+ * To be deprecated once python version of OpenOLT adapter
+ * moves to the new event defination for device alarms
  */
 message AlarmEventType {
     enum AlarmEventType {
@@ -116,6 +118,9 @@
 
 /*
  * Identify to the functional category originating the alarm
+ * To be deprecated once python version of OpenOLT adapter
+ * as well as OpenONU adapter moves to the new event
+ * defination for device alarms
  */
 message AlarmEventCategory {
     enum AlarmEventCategory {
@@ -129,6 +134,9 @@
 
 /*
  * Active state of the alarm
+ * To be deprecated once python version of OpenOLT adapter
+ * as well as OpenONU adapter moves to the new event
+ * defination for device alarms
  */
 message AlarmEventState {
     enum AlarmEventState {
@@ -139,6 +147,9 @@
 
 /*
  * Identify the overall impact of the alarm on the system
+ * To be deprecated once python version of OpenOLT adapter
+ * as well as OpenONU adapter moves to the new event
+ * defination for device alarms
  */
 message AlarmEventSeverity {
     enum AlarmEventSeverity {
@@ -151,7 +162,9 @@
 }
 
 /*
- *
+ * To be deprecated once python version of OpenOLT adapter
+ * as well as OpenONU adapter moves to the new event
+ * defination for device alarms
  */
 message AlarmEvent {
     // Unique ID for this alarm.  e.g. voltha.some_olt.1234
@@ -193,3 +206,128 @@
     // alarm_type  name indicates clearly the name of the alarm
     string alarm_type_name = 13;
 }
+/*
+ * Describes the events specific to device
+ */
+message DeviceEvent {
+    // Identifier of the originating resource of the event, for ex: device_id
+    string resource_id = 1;
+
+    // device_event_name indicates clearly the name of the device event
+    string device_event_name = 2;
+
+    // Textual explanation of the device event
+    string description = 3;
+
+    // Key/Value storage for extra information that may give context to the event
+    map<string, string> context = 4;
+
+}
+
+/*
+ * Identify the area of the system impacted by the event.
+ */
+message EventCategory {
+    enum EventCategory {
+        COMMUNICATION = 0;
+        ENVIRONMENT = 1;
+        EQUIPMENT = 2;
+        SERVICE = 3;
+        PROCESSING = 4;
+        SECURITY = 5;
+        // Add new event areas here
+    }
+}
+
+/*
+ * Identify the functional category originating the event
+ */
+message EventSubCategory {
+    enum EventSubCategory {
+        PON = 0;
+        OLT = 1;
+        ONT = 2;
+        ONU = 3;
+        NNI = 4;
+        // Add new event categories here.
+    }
+}
+
+/*
+ * Identify the type of event
+*/
+message EventType {
+   enum EventType {
+       CONFIG_EVENT = 0;
+       KPI_EVENT    = 1;
+       KPI_EVENT2   = 2;
+       DEVICE_EVENT = 3;
+
+   }
+}
+
+/*
+ * Identify the functional category originating the event
+ */
+message EventHeader {
+    // Unique ID for this event.  e.g. voltha.some_olt.1234
+    string id = 1;
+
+    // Refers to the functional area affect by the event
+    EventCategory.EventCategory category = 2;
+
+    // Refers to functional category of the event
+    EventSubCategory.EventSubCategory sub_category = 3;
+
+    // Refers to the type of the event
+    EventType.EventType type = 4;
+
+    // The version identifier for this event type, thus allowing each
+    // event type to evolve independently. The version should be in the
+    // format “MAJOR.MINOR” format and minor changes must only be additive
+    // and non-breaking.
+    string type_version = 5;
+
+    // Timestamp at which the event was first raised.
+    // This represents the UTC time stamp since epoch (in seconds) when the
+    // the event was first raised from the source entity.
+    // If the source entity doesn't send the raised_ts, this shall be set
+    // to timestamp when the event was received.
+    float raised_ts = 6;
+
+    // Timestamp at which the event was reported.
+    // This represents the UTC time stamp since epoch (in seconds) when the
+    // the event was reported (this time stamp is >= raised_ts).
+    // If the source entity that reported this event doesn't send the 
+    // reported_ts, this shall be set to the same value as raised_ts.
+    float reported_ts = 7;
+
+
+}
+
+/*
+ * Event Structure
+ */
+message Event {
+    // event header
+    EventHeader header = 1;
+
+    // oneof event types referred by EventType.
+    oneof event_type {
+        // Refers to ConfigEvent
+        ConfigEvent config_event = 2;
+
+        // Refers to KpiEvent
+        KpiEvent    kpi_event = 3;
+
+        // Refers to KpiEvent2
+        KpiEvent2   kpi_event2 = 4;
+
+        // Refers to DeviceEvent
+        DeviceEvent device_event = 5;
+
+        // Add other event types here.
+
+    }
+}
+