diff --git a/const.go b/const.go
deleted file mode 100644
index 92b9571..0000000
--- a/const.go
+++ /dev/null
@@ -1 +0,0 @@
-package container
diff --git a/constants.go b/constants.go
new file mode 100644
index 0000000..b62b525
--- /dev/null
+++ b/constants.go
@@ -0,0 +1,5 @@
+package container
+
+const (
+	CONTAINER_CRAWLERS = "CONTAINER_CRAWLERS"
+)
diff --git a/glide.yaml b/glide.yaml
index fabf7eb..1fdada0 100644
--- a/glide.yaml
+++ b/glide.yaml
@@ -1,3 +1,5 @@
 package: git.loafle.net/overflow/container-go
 import:
 - package: git.loafle.net/commons/server-go
+- package: git.loafle.net/overflow/commons-go
+- package: git.loafle.net/overflow/crawler-go
diff --git a/service/CrawlerService.go b/service/CrawlerService.go
new file mode 100644
index 0000000..56bd7b4
--- /dev/null
+++ b/service/CrawlerService.go
@@ -0,0 +1,87 @@
+package service
+
+import (
+	"fmt"
+	"reflect"
+
+	cda "git.loafle.net/commons/di-go/annotation"
+	cdr "git.loafle.net/commons/di-go/registry"
+	logging "git.loafle.net/commons/logging-go"
+	"git.loafle.net/overflow/crawler-go"
+
+	// For annotation
+	_ "git.loafle.net/overflow/commons-go/core/annotation"
+)
+
+var CrawlerServiceType = reflect.TypeOf((*CrawlerService)(nil))
+
+func init() {
+	cdr.RegisterType(CrawlerServiceType)
+}
+
+type CrawlerService struct {
+	cda.TypeAnnotation `annotation:"@overflow:RPCService()"`
+
+	SensorConfigService *SensorConfigService       `annotation:"@Inject()"`
+	Crawlers            map[string]crawler.Crawler `annotation:"@Resource(name=CONTAINER_CRAWLERS)"`
+}
+
+func (s *CrawlerService) InitService() error {
+	if nil == s.Crawlers {
+		return fmt.Errorf("Crawlers is not set")
+	}
+
+	return nil
+}
+
+func (s *CrawlerService) StartService() error {
+
+	return nil
+}
+
+func (s *CrawlerService) StopService() {
+
+}
+
+func (s *CrawlerService) DestroyService() {
+
+}
+
+func (s *CrawlerService) Auth(crawlerName string, auth map[string]string) error {
+	_crawler, ok := s.Crawlers[crawlerName]
+	if !ok {
+		return fmt.Errorf("There is no crawler[%s]", crawlerName)
+	}
+
+	logging.Logger().Debugf("Auth invoked with [%v]", auth)
+
+	err := _crawler.Auth(auth)
+	if nil != err {
+		return fmt.Errorf("Failed to authentication from crawler[%s] %v", crawlerName, err)
+	}
+	logging.Logger().Debugf("Auth success with[%v]", auth)
+
+	return nil
+}
+
+func (s *CrawlerService) Get(sensorConfigID string) (map[string]string, error) {
+	sensorConfig, ok := s.SensorConfigService.sensorConfigs[sensorConfigID]
+	if !ok {
+		return nil, fmt.Errorf("There is no sensor config for id[%s]", sensorConfigID)
+	}
+	_crawlerName := sensorConfig.Crawler.Name
+	_crawler, ok := s.Crawlers[_crawlerName]
+	if !ok {
+		return nil, fmt.Errorf("There is no crawler[%s] for id[%s]", _crawlerName, sensorConfigID)
+	}
+
+	logging.Logger().Debugf("Get invoked with sensor config[%s]", sensorConfigID)
+
+	result, err := _crawler.Get(sensorConfig)
+	if nil != err {
+		return nil, fmt.Errorf("Failed to get data from crawler[%s] for id[%s] %v", _crawlerName, sensorConfigID, err)
+	}
+	logging.Logger().Debugf("Get success config[%v]", result)
+
+	return result, nil
+}
diff --git a/service/ProbeService.go b/service/ProbeService.go
new file mode 100644
index 0000000..0d353f9
--- /dev/null
+++ b/service/ProbeService.go
@@ -0,0 +1,43 @@
+package service
+
+import (
+	"reflect"
+
+	cda "git.loafle.net/commons/di-go/annotation"
+	cdr "git.loafle.net/commons/di-go/registry"
+
+	// For annotation
+	_ "git.loafle.net/overflow/commons-go/core/annotation"
+)
+
+var ProbeServiceType = reflect.TypeOf((*ProbeService)(nil))
+
+func init() {
+	cdr.RegisterType(ProbeServiceType)
+}
+
+type ProbeService struct {
+	cda.TypeAnnotation `annotation:"@overflow:RPCService()"`
+}
+
+func (s *ProbeService) InitService() error {
+	return nil
+}
+
+func (s *ProbeService) StartService() error {
+
+	return nil
+}
+
+func (s *ProbeService) StopService() {
+
+}
+
+func (s *ProbeService) DestroyService() {
+
+}
+
+func (s *ProbeService) Send(method string, params ...interface{}) error {
+
+	return nil
+}
diff --git a/service/SensorConfigService.go b/service/SensorConfigService.go
new file mode 100644
index 0000000..b4c02d6
--- /dev/null
+++ b/service/SensorConfigService.go
@@ -0,0 +1,102 @@
+package service
+
+import (
+	"fmt"
+	"reflect"
+
+	cda "git.loafle.net/commons/di-go/annotation"
+	cdr "git.loafle.net/commons/di-go/registry"
+	"git.loafle.net/commons/logging-go"
+	ocsm "git.loafle.net/overflow/commons-go/sensorconfig/model"
+
+	// For annotation
+	_ "git.loafle.net/overflow/commons-go/core/annotation"
+)
+
+var SensorConfigServiceType = reflect.TypeOf((*SensorConfigService)(nil))
+
+func init() {
+	cdr.RegisterType(SensorConfigServiceType)
+}
+
+type SensorConfigService struct {
+	cda.TypeAnnotation `annotation:"@overflow:RPCService()"`
+
+	sensorConfigs map[string]*ocsm.SensorConfig
+}
+
+func (s *SensorConfigService) InitService() error {
+	s.sensorConfigs = make(map[string]*ocsm.SensorConfig, 0)
+
+	return nil
+}
+
+func (s *SensorConfigService) StartService() error {
+
+	return nil
+}
+
+func (s *SensorConfigService) StopService() {
+
+}
+
+func (s *SensorConfigService) DestroyService() {
+
+}
+
+func (s *SensorConfigService) InitConfig(sensorConfigs []*ocsm.SensorConfig) error {
+	if nil == sensorConfigs || 0 == len(sensorConfigs) {
+		return nil
+	}
+
+	for _, sensorConfig := range sensorConfigs {
+		s.sensorConfigs[sensorConfig.ConfigID] = sensorConfig
+	}
+
+	logging.Logger().Debugf("Sensor configs[%d] were added", len(sensorConfigs))
+
+	return nil
+}
+
+func (s *SensorConfigService) AddConfig(sensorConfig *ocsm.SensorConfig) error {
+	if nil == sensorConfig {
+		return fmt.Errorf("Sensor config is not valid")
+	}
+
+	sensorConfigID := sensorConfig.ConfigID
+	if _, ok := s.sensorConfigs[sensorConfigID]; ok {
+		return fmt.Errorf("Sensor config[%s] is exist already", sensorConfigID)
+	}
+	s.sensorConfigs[sensorConfigID] = sensorConfig
+
+	logging.Logger().Debugf("Sensor config[%d] was added", sensorConfigID)
+
+	return nil
+}
+
+func (s *SensorConfigService) UpdateConfig(sensorConfig *ocsm.SensorConfig) error {
+	if nil == sensorConfig {
+		return fmt.Errorf("Sensor config is not valid")
+	}
+
+	sensorConfigID := sensorConfig.ConfigID
+	if _, ok := s.sensorConfigs[sensorConfigID]; !ok {
+		return fmt.Errorf("Sensor config[%s] is not exist", sensorConfigID)
+	}
+	delete(s.sensorConfigs, sensorConfigID)
+	s.sensorConfigs[sensorConfigID] = sensorConfig
+
+	logging.Logger().Debugf("Sensor config[%d] was updated", sensorConfigID)
+
+	return nil
+}
+
+func (s *SensorConfigService) RemoveConfig(sensorConfigID string) error {
+	if _, ok := s.sensorConfigs[sensorConfigID]; !ok {
+		return fmt.Errorf("Sensor config[%s] is not exist", sensorConfigID)
+	}
+	delete(s.sensorConfigs, sensorConfigID)
+
+	logging.Logger().Debugf("Sensor config[%d] was removed", sensorConfigID)
+	return nil
+}
diff --git a/service/service.go b/service/service.go
new file mode 100644
index 0000000..bb49d6a
--- /dev/null
+++ b/service/service.go
@@ -0,0 +1,23 @@
+package service
+
+import "reflect"
+
+var (
+	OrderedServices = []reflect.Type{
+		ProbeServiceType,
+		SensorConfigServiceType,
+		CrawlerServiceType,
+	}
+)
+
+func InitPackage() {
+}
+
+func StartPackage() {
+}
+
+func StopPackage() {
+}
+
+func DestroyPackage() {
+}
diff --git a/servlet/rpc-servlet.go b/servlet/rpc-servlet.go
index fb4050a..c216b28 100644
--- a/servlet/rpc-servlet.go
+++ b/servlet/rpc-servlet.go
@@ -75,9 +75,7 @@ func (s *RPCServlets) Handle(servletCtx server.ServletCtx,
 		case <-stopChan:
 			return
 		}
-
 	}
-
 }
 
 func (s *RPCServlets) writeError(src crp.ServerRequestCodec, writeChan chan<- []byte, code crp.ErrorCode, message string, data interface{}) {