diff --git a/cmd/yanic/main.go b/cmd/yanic/main.go
index 16b6831..ed23888 100644
--- a/cmd/yanic/main.go
+++ b/cmd/yanic/main.go
@@ -80,7 +80,7 @@ func main() {
 func importRRD(path string) {
 	log.Println("importing RRD from", path)
 	for ds := range rrd.Read(path) {
-		connections.AddStatistics(
+		connections.InsertGlobals(
 			&runtime.GlobalStats{
 				Nodes:   uint32(ds.Nodes),
 				Clients: uint32(ds.Clients),
diff --git a/database/all/internal.go b/database/all/internal.go
index ddaefc8..ff1b816 100644
--- a/database/all/internal.go
+++ b/database/all/internal.go
@@ -30,15 +30,16 @@ func Connect(configuration interface{}) (database.Connection, error) {
 	}
 	return &Connection{list: list}, nil
 }
-func (conn *Connection) AddNode(nodeID string, node *runtime.Node) {
+
+func (conn *Connection) InsertNode(node *runtime.Node) {
 	for _, item := range conn.list {
-		item.AddNode(nodeID, node)
+		item.InsertNode(node)
 	}
 }
 
-func (conn *Connection) AddStatistics(stats *runtime.GlobalStats, time time.Time) {
+func (conn *Connection) InsertGlobals(stats *runtime.GlobalStats, time time.Time) {
 	for _, item := range conn.list {
-		item.AddStatistics(stats, time)
+		item.InsertGlobals(stats, time)
 	}
 }
 
diff --git a/database/database.go b/database/database.go
index dbdae7d..01621e7 100644
--- a/database/database.go
+++ b/database/database.go
@@ -8,11 +8,11 @@ import (
 
 // Connection interface to use for implementation in e.g. influxdb
 type Connection interface {
-	// AddNode stores data of a single node
-	AddNode(nodeID string, node *runtime.Node)
+	// InsertNode stores statistics per node
+	InsertNode(node *runtime.Node)
 
-	// AddStatistics stores global statistics
-	AddStatistics(stats *runtime.GlobalStats, time time.Time)
+	// InsertGlobals stores global statistics
+	InsertGlobals(stats *runtime.GlobalStats, time time.Time)
 
 	// PruneNodes prunes historical per-node data
 	PruneNodes(deleteAfter time.Duration)
diff --git a/database/influxdb/database.go b/database/influxdb/database.go
index b168308..7434556 100644
--- a/database/influxdb/database.go
+++ b/database/influxdb/database.go
@@ -1,7 +1,6 @@
 package influxdb
 
 import (
-	"fmt"
 	"log"
 	"sync"
 	"time"
@@ -10,7 +9,6 @@ import (
 	"github.com/influxdata/influxdb/models"
 
 	"github.com/FreifunkBremen/yanic/database"
-	"github.com/FreifunkBremen/yanic/runtime"
 )
 
 const (
@@ -80,11 +78,6 @@ func Connect(configuration interface{}) (database.Connection, error) {
 	return db, nil
 }
 
-func (conn *Connection) PruneNodes(deleteAfter time.Duration) {
-	query := fmt.Sprintf("delete from %s where time < now() - %ds", MeasurementNode, deleteAfter/time.Second)
-	conn.client.Query(client.NewQuery(query, conn.config.Database(), "m"))
-}
-
 func (conn *Connection) addPoint(name string, tags models.Tags, fields models.Fields, time time.Time) {
 	point, err := client.NewPoint(name, tags.Map(), fields, time)
 	if err != nil {
@@ -93,36 +86,6 @@ func (conn *Connection) addPoint(name string, tags models.Tags, fields models.Fi
 	conn.points <- point
 }
 
-// Saves the values of a CounterMap in the database.
-// The key are used as 'value' tag.
-// The value is used as 'counter' field.
-func (conn *Connection) addCounterMap(name string, m runtime.CounterMap) {
-	now := time.Now()
-	for key, count := range m {
-		conn.addPoint(
-			name,
-			models.Tags{
-				models.Tag{Key: []byte("value"), Value: []byte(key)},
-			},
-			models.Fields{"count": count},
-			now,
-		)
-	}
-}
-
-// AddStatistics implementation of database
-func (conn *Connection) AddStatistics(stats *runtime.GlobalStats, time time.Time) {
-	conn.addPoint(MeasurementGlobal, nil, GlobalStatsFields(stats), time)
-	conn.addCounterMap(CounterMeasurementModel, stats.Models)
-	conn.addCounterMap(CounterMeasurementFirmware, stats.Firmwares)
-}
-
-// AddNode implementation of database
-func (conn *Connection) AddNode(nodeID string, node *runtime.Node) {
-	tags, fields := nodeToInflux(node)
-	conn.addPoint(MeasurementNode, tags, fields, time.Now())
-}
-
 // Close all connection and clean up
 func (conn *Connection) Close() {
 	close(conn.points)
diff --git a/database/influxdb/global.go b/database/influxdb/global.go
new file mode 100644
index 0000000..de2495a
--- /dev/null
+++ b/database/influxdb/global.go
@@ -0,0 +1,44 @@
+package influxdb
+
+import (
+	"time"
+
+	"github.com/FreifunkBremen/yanic/runtime"
+	"github.com/influxdata/influxdb/models"
+)
+
+// InsertGlobals implementation of database
+func (conn *Connection) InsertGlobals(stats *runtime.GlobalStats, time time.Time) {
+	conn.addPoint(MeasurementGlobal, nil, GlobalStatsFields(stats), time)
+	conn.addCounterMap(CounterMeasurementModel, stats.Models)
+	conn.addCounterMap(CounterMeasurementFirmware, stats.Firmwares)
+}
+
+// GlobalStatsFields returns fields for InfluxDB
+func GlobalStatsFields(stats *runtime.GlobalStats) map[string]interface{} {
+	return map[string]interface{}{
+		"nodes":          stats.Nodes,
+		"gateways":       stats.Gateways,
+		"clients.total":  stats.Clients,
+		"clients.wifi":   stats.ClientsWifi,
+		"clients.wifi24": stats.ClientsWifi24,
+		"clients.wifi5":  stats.ClientsWifi5,
+	}
+}
+
+// Saves the values of a CounterMap in the database.
+// The key are used as 'value' tag.
+// The value is used as 'counter' field.
+func (conn *Connection) addCounterMap(name string, m runtime.CounterMap) {
+	now := time.Now()
+	for key, count := range m {
+		conn.addPoint(
+			name,
+			models.Tags{
+				models.Tag{Key: []byte("value"), Value: []byte(key)},
+			},
+			models.Fields{"count": count},
+			now,
+		)
+	}
+}
diff --git a/database/influxdb/stats_test.go b/database/influxdb/global_test.go
similarity index 100%
rename from database/influxdb/stats_test.go
rename to database/influxdb/global_test.go
diff --git a/database/influxdb/node.go b/database/influxdb/node.go
index 9b17f59..5f23368 100644
--- a/database/influxdb/node.go
+++ b/database/influxdb/node.go
@@ -1,15 +1,29 @@
 package influxdb
 
 import (
+	"fmt"
 	"strconv"
+	"time"
 
+	client "github.com/influxdata/influxdb/client/v2"
 	models "github.com/influxdata/influxdb/models"
 
 	"github.com/FreifunkBremen/yanic/runtime"
 )
 
-// NodeToInflux Returns tags and fields for InfluxDB
-func nodeToInflux(node *runtime.Node) (tags models.Tags, fields models.Fields) {
+// InsertNode implementation of database
+func (conn *Connection) InsertNode(node *runtime.Node) {
+	tags, fields := buildNodeStats(node)
+	conn.addPoint(MeasurementNode, tags, fields, time.Now())
+}
+
+func (conn *Connection) PruneNodes(deleteAfter time.Duration) {
+	query := fmt.Sprintf("delete from %s where time < now() - %ds", MeasurementNode, deleteAfter/time.Second)
+	conn.client.Query(client.NewQuery(query, conn.config.Database(), "m"))
+}
+
+// returns tags and fields for InfluxDB
+func buildNodeStats(node *runtime.Node) (tags models.Tags, fields models.Fields) {
 	stats := node.Statistics
 
 	tags.SetString("nodeid", stats.NodeID)
diff --git a/database/influxdb/node_test.go b/database/influxdb/node_test.go
index 08dc06c..3fa7f32 100644
--- a/database/influxdb/node_test.go
+++ b/database/influxdb/node_test.go
@@ -66,7 +66,7 @@ func TestToInflux(t *testing.T) {
 		},
 	}
 
-	tags, fields := nodeToInflux(node)
+	tags, fields := buildNodeStats(node)
 
 	assert.Equal("foobar", tags.GetString("nodeid"))
 	assert.Equal("nobody", tags.GetString("owner"))
diff --git a/database/influxdb/stats.go b/database/influxdb/stats.go
deleted file mode 100644
index 0cc433e..0000000
--- a/database/influxdb/stats.go
+++ /dev/null
@@ -1,17 +0,0 @@
-package influxdb
-
-import (
-	"github.com/FreifunkBremen/yanic/runtime"
-)
-
-// GlobalStatsFields returns fields for InfluxDB
-func GlobalStatsFields(stats *runtime.GlobalStats) map[string]interface{} {
-	return map[string]interface{}{
-		"nodes":          stats.Nodes,
-		"gateways":       stats.Gateways,
-		"clients.total":  stats.Clients,
-		"clients.wifi":   stats.ClientsWifi,
-		"clients.wifi24": stats.ClientsWifi24,
-		"clients.wifi5":  stats.ClientsWifi5,
-	}
-}
diff --git a/database/logging/file.go b/database/logging/file.go
index 910a4d0..31863b7 100644
--- a/database/logging/file.go
+++ b/database/logging/file.go
@@ -48,12 +48,12 @@ func Connect(configuration interface{}) (database.Connection, error) {
 	return &Connection{config: config, file: file}, nil
 }
 
-func (conn *Connection) AddNode(nodeID string, node *runtime.Node) {
-	conn.log("AddNode: [", nodeID, "] clients: ", node.Statistics.Clients.Total)
+func (conn *Connection) InsertNode(node *runtime.Node) {
+	conn.log("InsertNode: [", node.Statistics.NodeID, "] clients: ", node.Statistics.Clients.Total)
 }
 
-func (conn *Connection) AddStatistics(stats *runtime.GlobalStats, time time.Time) {
-	conn.log("AddStatistics: [", time.String(), "] nodes: ", stats.Nodes, ", clients: ", stats.Clients, " models: ", len(stats.Models))
+func (conn *Connection) InsertGlobals(stats *runtime.GlobalStats, time time.Time) {
+	conn.log("InsertGlobals: [", time.String(), "] nodes: ", stats.Nodes, ", clients: ", stats.Clients, " models: ", len(stats.Models))
 }
 
 func (conn *Connection) PruneNodes(deleteAfter time.Duration) {
diff --git a/respond/collector.go b/respond/collector.go
index f6f5935..b5406c1 100644
--- a/respond/collector.go
+++ b/respond/collector.go
@@ -208,9 +208,10 @@ func (coll *Collector) saveResponse(addr net.UDPAddr, res *data.ResponseData) {
 	node := coll.nodes.Update(nodeID, res)
 	node.Address = addr.IP
 
-	// Store statistics in InfluxDB
+	// Store statistics in database
 	if coll.db != nil && node.Statistics != nil {
-		coll.db.AddNode(nodeID, node)
+		node.Statistics.NodeID = nodeID
+		coll.db.InsertNode(node)
 	}
 }
 
@@ -251,5 +252,5 @@ func (coll *Collector) globalStatsWorker() {
 func (coll *Collector) saveGlobalStats() {
 	stats := runtime.NewGlobalStats(coll.nodes)
 
-	coll.db.AddStatistics(stats, time.Now())
+	coll.db.InsertGlobals(stats, time.Now())
 }