diff --git a/cmd/simulated_olt/main.go b/cmd/simulated_olt/main.go
index f324939..e67c6ca 100644
--- a/cmd/simulated_olt/main.go
+++ b/cmd/simulated_olt/main.go
@@ -22,6 +22,7 @@
 	"github.com/opencord/voltha-go/adapters"
 	com "github.com/opencord/voltha-go/adapters/common"
 	"github.com/opencord/voltha-go/common/log"
+	"github.com/opencord/voltha-go/common/probe"
 	"github.com/opencord/voltha-go/common/version"
 	"github.com/opencord/voltha-go/db/kvstore"
 	"github.com/opencord/voltha-go/kafka"
@@ -67,19 +68,41 @@
 	log.Info("Starting Core Adapter components")
 	var err error
 
+	var p *probe.Probe
+	if value := ctx.Value(probe.ProbeContextKey); value != nil {
+		if _, ok := value.(*probe.Probe); ok {
+			p = value.(*probe.Probe)
+			p.RegisterService(
+				"message-bus",
+				"kv-store",
+				"container-proxy",
+				"core-request-handler",
+				"register-with-core",
+			)
+		}
+	}
+
 	// Setup KV Client
 	log.Debugw("create-kv-client", log.Fields{"kvstore": a.config.KVStoreType})
 	if err := a.setKVClient(); err != nil {
 		log.Fatal("error-setting-kv-client")
 	}
 
+	if p != nil {
+		p.UpdateStatus("kv-store", probe.ServiceStatusRunning)
+	}
+
 	// Setup Kafka Client
 	if a.kafkaClient, err = newKafkaClient("sarama", a.config.KafkaAdapterHost, a.config.KafkaAdapterPort); err != nil {
 		log.Fatal("Unsupported-common-client")
 	}
 
+	if p != nil {
+		p.UpdateStatus("message-bus", probe.ServiceStatusRunning)
+	}
+
 	// Start the common InterContainer Proxy - retries indefinitely
-	if a.kip, err = a.startInterContainerProxy(-1); err != nil {
+	if a.kip, err = a.startInterContainerProxy(ctx, -1); err != nil {
 		log.Fatal("error-starting-inter-container-proxy")
 	}
 
@@ -92,12 +115,12 @@
 	}
 
 	// Register the core request handler
-	if err = a.setupRequestHandler(a.instanceId, a.iAdapter, a.coreProxy); err != nil {
+	if err = a.setupRequestHandler(ctx, a.instanceId, a.iAdapter, a.coreProxy); err != nil {
 		log.Fatal("error-setting-core-request-handler")
 	}
 
 	//	Register this adapter to the Core - retries indefinitely
-	if err = a.registerWithCore(-1); err != nil {
+	if err = a.registerWithCore(ctx, -1); err != nil {
 		log.Fatal("error-registering-with-core")
 	}
 }
@@ -173,7 +196,7 @@
 	}
 }
 
-func (a *adapter) startInterContainerProxy(retries int) (*kafka.InterContainerProxy, error) {
+func (a *adapter) startInterContainerProxy(ctx context.Context, retries int) (*kafka.InterContainerProxy, error) {
 	log.Infow("starting-intercontainer-messaging-proxy", log.Fields{"host": a.config.KafkaAdapterHost,
 		"port": a.config.KafkaAdapterPort, "topic": a.config.Topic})
 	var err error
@@ -201,6 +224,7 @@
 		}
 	}
 
+	probe.UpdateStatusFromContext(ctx, "container-proxy", probe.ServiceStatusRunning)
 	log.Info("common-messaging-proxy-created")
 	return kip, nil
 }
@@ -219,7 +243,7 @@
 	return sOLT, nil
 }
 
-func (a *adapter) setupRequestHandler(coreInstanceId string, iadapter adapters.IAdapter, coreProxy *com.CoreProxy) error {
+func (a *adapter) setupRequestHandler(ctx context.Context, coreInstanceId string, iadapter adapters.IAdapter, coreProxy *com.CoreProxy) error {
 	log.Info("setting-request-handler")
 	requestProxy := com.NewRequestHandlerProxy(coreInstanceId, iadapter, coreProxy)
 	if err := a.kip.SubscribeWithRequestHandlerInterface(kafka.Topic{Name: a.config.Topic}, requestProxy); err != nil {
@@ -227,11 +251,12 @@
 		return err
 
 	}
+	probe.UpdateStatusFromContext(ctx, "core-request-handler", probe.ServiceStatusRunning)
 	log.Info("request-handler-setup-done")
 	return nil
 }
 
-func (a *adapter) registerWithCore(retries int) error {
+func (a *adapter) registerWithCore(ctx context.Context, retries int) error {
 	log.Info("registering-with-core")
 	adapterDescription := &voltha.Adapter{
 		Id:      "simulated_olt",
@@ -254,6 +279,7 @@
 			break
 		}
 	}
+	probe.UpdateStatusFromContext(ctx, "register-with-core", probe.ServiceStatusRunning)
 	log.Info("registered-with-core")
 	return nil
 }
@@ -329,7 +355,13 @@
 	defer cancel()
 
 	ad := newAdapter(cf)
-	go ad.start(ctx)
+
+	p := &probe.Probe{}
+	go p.ListenAndServe(fmt.Sprintf("%s:%d", ad.config.ProbeHost, ad.config.ProbePort))
+
+	probeCtx := context.WithValue(ctx, probe.ProbeContextKey, p)
+
+	go ad.start(probeCtx)
 
 	code := waitForExit()
 	log.Infow("received-a-closing-signal", log.Fields{"code": code})
diff --git a/go.mod b/go.mod
index c4410a9..8846fd2 100644
--- a/go.mod
+++ b/go.mod
@@ -18,7 +18,7 @@
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/go-testing-interface v1.0.0 // indirect
 	github.com/mitchellh/mapstructure v1.1.2 // indirect
-	github.com/opencord/voltha-go v2.2.0+incompatible
+	github.com/opencord/voltha-go v2.2.1-0.20191011073237-626b2168bfbe+incompatible
 	github.com/opencord/voltha-protos v1.0.3
 	github.com/stretchr/testify v1.4.0
 	go.etcd.io/etcd v0.0.0-20190322183551-7a5acb4a43aa // indirect
diff --git a/go.sum b/go.sum
index dc97616..142b91c 100644
--- a/go.sum
+++ b/go.sum
@@ -132,8 +132,8 @@
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/gomega v1.4.2 h1:3mYCb7aPxS/RU7TI1y4rkEn1oKmPRjNJLNEXgw7MH2I=
 github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
-github.com/opencord/voltha-go v2.2.0+incompatible h1:aaAKICXEGgVUnbRKOnTZfGPif2D2UailyDCDWinC52c=
-github.com/opencord/voltha-go v2.2.0+incompatible/go.mod h1:Zj45b2Bqq23E6sgXCnwonqfNOgRvOxN6tzKTYbatD1s=
+github.com/opencord/voltha-go v2.2.1-0.20191011073237-626b2168bfbe+incompatible h1:86RbNdgrk00NjoXoWQnWXPDelikiL8+iAqIqWkvpWkc=
+github.com/opencord/voltha-go v2.2.1-0.20191011073237-626b2168bfbe+incompatible/go.mod h1:Zj45b2Bqq23E6sgXCnwonqfNOgRvOxN6tzKTYbatD1s=
 github.com/opencord/voltha-protos v1.0.3 h1:9v+R/QGF1xK+HKTqFM0IqCABoGCAxC8iKH4VzNBJDto=
 github.com/opencord/voltha-protos v1.0.3/go.mod h1:myfFIkJdA+rCXmKdLImhh79MfabN4ZOKQ4grk32DnPQ=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c h1:Lgl0gzECD8GnQ5QCWA8o6BtfL6mDH5rQgM4/fX3avOs=
diff --git a/internal/pkg/config/config.go b/internal/pkg/config/config.go
index 5cf0dc0..57280a7 100644
--- a/internal/pkg/config/config.go
+++ b/internal/pkg/config/config.go
@@ -39,6 +39,8 @@
 	default_Topic            = "simulated_olt"
 	default_CoreTopic        = "rwcore"
 	default_OnuNumber        = 1
+	default_ProbeHost        = ""
+	default_ProbePort        = 8080
 )
 
 // AdapterFlags represents the set of configurations used by the read-write adaptercore service
@@ -58,6 +60,8 @@
 	LogLevel         int
 	OnuNumber        int
 	Banner           bool
+	ProbeHost        string
+	ProbePort        int
 }
 
 func init() {
@@ -81,6 +85,8 @@
 		LogLevel:         default_LogLevel,
 		OnuNumber:        default_OnuNumber,
 		Banner:           default_Banner,
+		ProbeHost:        default_ProbeHost,
+		ProbePort:        default_ProbePort,
 	}
 	return &adapterFlags
 }
@@ -129,6 +135,12 @@
 	help = fmt.Sprintf("Show startup banner log lines")
 	flag.BoolVar(&so.Banner, "banner", default_Banner, help)
 
+	help = fmt.Sprintf("The address on which to listen to answer liveness and readiness probe queries over HTTP.")
+	flag.StringVar(&(so.ProbeHost), "probe_host", default_ProbeHost, help)
+
+	help = fmt.Sprintf("The port on which to listen to answer liveness and readiness probe queries over HTTP.")
+	flag.IntVar(&(so.ProbePort), "probe_port", default_ProbePort, help)
+
 	flag.Parse()
 
 	containerName := getContainerInfo()
diff --git a/vendor/github.com/opencord/voltha-go/common/probe/probe.go b/vendor/github.com/opencord/voltha-go/common/probe/probe.go
new file mode 100644
index 0000000..8a8e485
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-go/common/probe/probe.go
@@ -0,0 +1,253 @@
+/*
+ * Copyright 2019-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 probe
+
+import (
+	"context"
+	"fmt"
+	"github.com/opencord/voltha-go/common/log"
+	"net/http"
+	"sync"
+)
+
+// ProbeContextKey used to fetch the Probe instance from a context
+type ProbeContextKeyType string
+
+// ServiceStatus typed values for service status
+type ServiceStatus int
+
+const (
+	// ServiceStatusUnknown initial state of services
+	ServiceStatusUnknown ServiceStatus = iota
+
+	// ServiceStatusPreparing to optionally be used for prep, such as connecting
+	ServiceStatusPreparing
+
+	// ServiceStatusPrepared to optionally be used when prep is complete, but before run
+	ServiceStatusPrepared
+
+	// ServiceStatusRunning service is functional
+	ServiceStatusRunning
+
+	// ServiceStatusStopped service has stopped, but not because of error
+	ServiceStatusStopped
+
+	// ServiceStatusFailed service has stopped because of an error
+	ServiceStatusFailed
+)
+
+const (
+	// ProbeContextKey value of context key to fetch probe
+	ProbeContextKey = ProbeContextKeyType("status-update-probe")
+)
+
+// String convert ServiceStatus values to strings
+func (s ServiceStatus) String() string {
+	switch s {
+	default:
+		fallthrough
+	case ServiceStatusUnknown:
+		return "Unknown"
+	case ServiceStatusPreparing:
+		return "Preparing"
+	case ServiceStatusPrepared:
+		return "Prepared"
+	case ServiceStatusRunning:
+		return "Running"
+	case ServiceStatusStopped:
+		return "Stopped"
+	case ServiceStatusFailed:
+		return "Failed"
+	}
+}
+
+// ServiceStatusUpdate status update event
+type ServiceStatusUpdate struct {
+	Name   string
+	Status ServiceStatus
+}
+
+// Probe reciever on which to implement probe capabilities
+type Probe struct {
+	readyFunc  func(map[string]ServiceStatus) bool
+	healthFunc func(map[string]ServiceStatus) bool
+
+	mutex     sync.RWMutex
+	status    map[string]ServiceStatus
+	isReady   bool
+	isHealthy bool
+}
+
+// WithReadyFunc override the default ready calculation function
+func (p *Probe) WithReadyFunc(readyFunc func(map[string]ServiceStatus) bool) *Probe {
+	p.readyFunc = readyFunc
+	return p
+}
+
+// WithHealthFunc override the default health calculation function
+func (p *Probe) WithHealthFunc(healthFunc func(map[string]ServiceStatus) bool) *Probe {
+	p.healthFunc = healthFunc
+	return p
+}
+
+// RegisterService register one or more service names with the probe, status will be track against service name
+func (p *Probe) RegisterService(names ...string) {
+	p.mutex.Lock()
+	defer p.mutex.Unlock()
+	if p.status == nil {
+		p.status = make(map[string]ServiceStatus)
+	}
+	for _, name := range names {
+		if _, ok := p.status[name]; !ok {
+			p.status[name] = ServiceStatusUnknown
+			log.Debugw("probe-service-registered", log.Fields{"service-name": name})
+		}
+	}
+
+	if p.readyFunc != nil {
+		p.isReady = p.readyFunc(p.status)
+	} else {
+		p.isReady = defaultReadyFunc(p.status)
+	}
+
+	if p.healthFunc != nil {
+		p.isHealthy = p.healthFunc(p.status)
+	} else {
+		p.isHealthy = defaultHealthFunc(p.status)
+	}
+}
+
+// UpdateStatus utility function to send a service update to the probe
+func (p *Probe) UpdateStatus(name string, status ServiceStatus) {
+	p.mutex.Lock()
+	defer p.mutex.Unlock()
+	if p.status == nil {
+		p.status = make(map[string]ServiceStatus)
+	}
+	p.status[name] = status
+	if p.readyFunc != nil {
+		p.isReady = p.readyFunc(p.status)
+	} else {
+		p.isReady = defaultReadyFunc(p.status)
+	}
+
+	if p.healthFunc != nil {
+		p.isHealthy = p.healthFunc(p.status)
+	} else {
+		p.isHealthy = defaultHealthFunc(p.status)
+	}
+	log.Debugw("probe-service-status-updated",
+		log.Fields{
+			"service-name": name,
+			"status":       status.String(),
+			"ready":        p.isReady,
+			"health":       p.isHealthy,
+		})
+}
+
+// UpdateStatusFromContext a convenience function to pull the Probe reference from the
+// Context, if it exists, and then calling UpdateStatus on that Probe reference. If Context
+// is nil or if a Probe reference is not associated with the ProbeContextKey then nothing
+// happens
+func UpdateStatusFromContext(ctx context.Context, name string, status ServiceStatus) {
+	if ctx != nil {
+		if value := ctx.Value(ProbeContextKey); value != nil {
+			if p, ok := value.(*Probe); ok {
+				p.UpdateStatus(name, status)
+			}
+		}
+	}
+}
+
+// pulled out to a function to help better enable unit testing
+func (p *Probe) readzFunc(w http.ResponseWriter, req *http.Request) {
+	p.mutex.RLock()
+	defer p.mutex.RUnlock()
+	if p.isReady {
+		w.WriteHeader(http.StatusOK)
+	} else {
+		w.WriteHeader(http.StatusTeapot)
+	}
+}
+func (p *Probe) healthzFunc(w http.ResponseWriter, req *http.Request) {
+	p.mutex.RLock()
+	defer p.mutex.RUnlock()
+	if p.isHealthy {
+		w.WriteHeader(http.StatusOK)
+	} else {
+		w.WriteHeader(http.StatusTeapot)
+	}
+}
+func (p *Probe) detailzFunc(w http.ResponseWriter, req *http.Request) {
+	p.mutex.RLock()
+	defer p.mutex.RUnlock()
+	w.Header().Set("Content-Type", "application/json")
+	w.Write([]byte("{"))
+	comma := ""
+	for c, s := range p.status {
+		w.Write([]byte(fmt.Sprintf("%s\"%s\": \"%s\"", comma, c, s.String())))
+		comma = ", "
+	}
+	w.Write([]byte("}"))
+	w.WriteHeader(http.StatusOK)
+
+}
+
+// ListenAndServe implements 3 HTTP endpoints on the given port for healthz, readz, and detailz. Returns only on error
+func (p *Probe) ListenAndServe(address string) {
+	mux := http.NewServeMux()
+
+	// Returns the result of the readyFunc calculation
+	mux.HandleFunc("/readz", p.readzFunc)
+
+	// Returns the result of the healthFunc calculation
+	mux.HandleFunc("/healthz", p.healthzFunc)
+
+	// Returns the details of the services and their status as JSON
+	mux.HandleFunc("/detailz", p.detailzFunc)
+	s := &http.Server{
+		Addr:    address,
+		Handler: mux,
+	}
+	log.Fatal(s.ListenAndServe())
+}
+
+// defaultReadyFunc if all services are running then ready, else not
+func defaultReadyFunc(services map[string]ServiceStatus) bool {
+	if len(services) == 0 {
+		return false
+	}
+	for _, status := range services {
+		if status != ServiceStatusRunning {
+			return false
+		}
+	}
+	return true
+}
+
+// defaultHealthFunc if no service is stopped or failed, then healthy, else not.
+// service is start as unknown, so they are considered healthy
+func defaultHealthFunc(services map[string]ServiceStatus) bool {
+	if len(services) == 0 {
+		return false
+	}
+	for _, status := range services {
+		if status == ServiceStatusStopped || status == ServiceStatusFailed {
+			return false
+		}
+	}
+	return true
+}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index fa6ee02..f03297a 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -50,11 +50,12 @@
 github.com/mitchellh/go-homedir
 # github.com/mitchellh/mapstructure v1.1.2
 github.com/mitchellh/mapstructure
-# github.com/opencord/voltha-go v2.2.0+incompatible
+# github.com/opencord/voltha-go v2.2.1-0.20191011073237-626b2168bfbe+incompatible
 github.com/opencord/voltha-go/adapters
 github.com/opencord/voltha-go/adapters/common
 github.com/opencord/voltha-go/common/log
 github.com/opencord/voltha-go/common/version
+github.com/opencord/voltha-go/common/probe
 github.com/opencord/voltha-go/db/kvstore
 github.com/opencord/voltha-go/kafka
 github.com/opencord/voltha-go/adapters/adapterif