diff --git a/cmd/loader/loader.go b/cmd/loader/loader.go
index 06f027e22..06c7b6dc3 100644
--- a/cmd/loader/loader.go
+++ b/cmd/loader/loader.go
@@ -16,21 +16,31 @@ var (
 	mongoserver = flag.String("mongoserver", "127.0.0.1:27017", "mongo server address (127.0.0.1:27017)")
 	mongodb     = flag.String("mdb", "test", "mongo database name (test)")
 	redispass   = flag.String("pass", "", "redis database password")
-	inputfile   = flag.String("inputfile", "input.json", "redis database password")
+	apfile   = flag.String("apfile", "ap.json", "Activation Periods containing intervals file")
+	destfile   = flag.String("destfile", "dest.json", "Destinations file")
 )
 
+func writeToStorage(storage timespans.StorageGetter,callDescriptors []*timespans.CallDescriptor,destinations []*timespans.Destination){
+	for _, cd := range callDescriptors {
+		storage.SetActivationPeriods(cd.GetKey(), cd.ActivationPeriods)
+		log.Printf("Storing %q", cd.GetKey())
+	}
+	for _, d := range destinations {
+		storage.SetDestination(d)
+		log.Printf("Storing %q", d.Id)
+	}
+}
+
 func main() {
 	flag.Parse()
 
-	log.Printf("Reading from %q", *inputfile)
 
-	fin, err := os.Open(*inputfile)
-	defer fin.Close()
+	log.Print("Reading from ", *apfile, *destfile)
 
-	if err != nil {
-		log.Print("Cannot open input file", err)
-		return
-	}
+	// reading activation periods
+	fin, err := os.Open(*apfile)
+
+	if err != nil {log.Print("Cannot open activation periods input file", err)}
 
 	dec := json.NewDecoder(fin)
 
@@ -39,29 +49,35 @@ func main() {
 		log.Println(err)
 		return
 	}
+	fin.Close()
+
+	// reading destinations
+	fin, err = os.Open(*destfile)
+
+	if err != nil {log.Print("Cannot open destinations input file", err)}
+
+	dec = json.NewDecoder(fin)
+
+	var destinations []*timespans.Destination
+	if err := dec.Decode(&destinations); err != nil {
+		log.Println(err)
+		return
+	}
+	fin.Close()
 
 	switch *storage {
 	case "kyoto":
 		storage, _ := timespans.NewKyotoStorage(*kyotofile)
 		defer storage.Close()
-		for _, cd := range callDescriptors {
-			storage.SetActivationPeriods(cd.GetKey(), cd.ActivationPeriods)
-			log.Printf("Storing %q", cd.GetKey())
-		}
+		writeToStorage(storage, callDescriptors, destinations)
 	case "mongo":
 		storage, _ := timespans.NewMongoStorage("127.0.0.1", "test")
 		defer storage.Close()
-		for _, cd := range callDescriptors {
-			storage.SetActivationPeriods(cd.GetKey(), cd.ActivationPeriods)
-			log.Printf("Storing %q", cd.GetKey())
-		}
+		writeToStorage(storage, callDescriptors, destinations)
 
 	default:
 		storage, _ := timespans.NewRedisStorage(*redisserver, *redisdb)
 		defer storage.Close()
-		for _, cd := range callDescriptors {
-			storage.SetActivationPeriods(cd.GetKey(), cd.ActivationPeriods)
-			log.Printf("Storing %q", cd.GetKey())
-		}
+		writeToStorage(storage, callDescriptors, destinations)
 	}
 }
diff --git a/timespans/activationperiod.go b/timespans/activationperiod.go
index 89b972b6b..7ba6d40dd 100644
--- a/timespans/activationperiod.go
+++ b/timespans/activationperiod.go
@@ -1,8 +1,8 @@
 package timespans
 
 import (
-	"strings"
 	"strconv"
+	"strings"
 	"time"
 	//"log"
 )
diff --git a/timespans/calldesc.go b/timespans/calldesc.go
index ec69dd2d6..b65bfa789 100644
--- a/timespans/calldesc.go
+++ b/timespans/calldesc.go
@@ -161,7 +161,7 @@ func (cd *CallDescriptor) getPresentSecondCost(sg StorageGetter) (cost float64,
 	ts := &TimeSpan{TimeStart: now, TimeEnd: now.Add(oneSecond)}
 	timespans := cd.splitTimeSpan(ts)
 
-	if len(timespans)>0 {
+	if len(timespans) > 0 {
 		cost = round(timespans[0].GetCost(), 3)
 	}
 	return
diff --git a/timespans/destinations.go b/timespans/destinations.go
new file mode 100644
index 000000000..4535b5302
--- /dev/null
+++ b/timespans/destinations.go
@@ -0,0 +1,26 @@
+package timespans
+
+import (
+	"strings"
+)
+
+type Destination struct {
+	Id       string
+	Prefixes []string
+}
+
+func (d *Destination) GetKey() (result string) {
+	return d.Id
+}
+
+func (d *Destination) store() (result string) {
+	for _, p := range d.Prefixes {
+		result += p + ","
+	}
+	result = strings.TrimRight(result, ",")
+	return
+}
+
+func (d *Destination) restore(input string) {
+	d.Prefixes = strings.Split(input, ",")
+}
diff --git a/timespans/destinations_test.go b/timespans/destinations_test.go
new file mode 100644
index 000000000..6893cc0dd
--- /dev/null
+++ b/timespans/destinations_test.go
@@ -0,0 +1,80 @@
+package timespans
+
+import (
+	"testing"
+)
+
+func TestDestinationStoreRestore(t *testing.T){
+	nationale = &Destination{Id: "nat", Prefixes: []string{"0257", "0256", "0723"}}
+	s := nationale.store()
+	d1 := &Destination{Id: "nationale"}
+	d1.restore(s)
+	if d1.store() != s {
+		t.Errorf("Expected %q was %q", s, d1.store())
+	}
+}
+
+func TestKyotoStore(t *testing.T){
+	getter, _ := NewKyotoStorage("test.kch")
+	defer getter.Close()
+	nationale = &Destination{Id: "nat", Prefixes: []string{"0257", "0256", "0723"}}
+	getter.SetDestination(nationale)
+	result, _ := getter.GetDestination(nationale.Id)
+	if result.Id != nationale.Id || result.Prefixes[2] != nationale.Prefixes[2] {
+		t.Errorf("Expected %q was %q", nationale, result)
+	}
+}
+
+func TestRedisStore(t *testing.T){
+	getter, _ := NewRedisStorage("tcp:127.0.0.1:6379", 10)
+	defer getter.Close()
+	nationale = &Destination{Id: "nat", Prefixes: []string{"0257", "0256", "0723"}}
+	getter.SetDestination(nationale)
+	result, _ := getter.GetDestination(nationale.Id)
+	if result.Id != nationale.Id || result.Prefixes[2] != nationale.Prefixes[2] {
+		t.Errorf("Expected %q was %q", nationale, result)
+	}
+}
+
+func TestMongoStore(t *testing.T){
+	getter, _ := NewMongoStorage("127.0.0.1", "test")
+	defer getter.Close()
+	nationale = &Destination{Id: "nat", Prefixes: []string{"0257", "0256", "0723"}}
+	getter.SetDestination(nationale)
+	result, _ := getter.GetDestination(nationale.Id)
+	if result.Id != nationale.Id || result.Prefixes[2] != nationale.Prefixes[2] {
+		t.Errorf("Expected %q was %q", nationale, result)
+	}
+}
+
+/********************************* Benchmarks **********************************/
+
+func BenchmarkDestinationKyotoStoreRestore(b *testing.B){
+	getter, _ := NewKyotoStorage("test.kch")
+	defer getter.Close()
+	nationale = &Destination{Id: "nat", Prefixes: []string{"0257", "0256", "0723"}}
+	for i := 0; i < b.N; i++ {
+		getter.SetDestination(nationale)
+		getter.GetDestination(nationale.Id)
+	}
+}
+
+func BenchmarkDestinationRedisStoreRestore(b *testing.B){
+	getter, _ := NewRedisStorage("tcp:127.0.0.1:6379", 10)
+	defer getter.Close()
+	nationale = &Destination{Id: "nat", Prefixes: []string{"0257", "0256", "0723"}}
+	for i := 0; i < b.N; i++ {
+		getter.SetDestination(nationale)
+		getter.GetDestination(nationale.Id)
+	}
+}
+
+func BenchmarkDestinationMongoStoreRestore(b *testing.B){
+	getter, _ := NewMongoStorage("127.0.0.1", "test")
+	defer getter.Close()
+	nationale = &Destination{Id: "nat", Prefixes: []string{"0257", "0256", "0723"}}
+	for i := 0; i < b.N; i++ {
+		getter.SetDestination(nationale)
+		getter.GetDestination(nationale.Id)
+	}
+}
diff --git a/timespans/kyoto_storage.go b/timespans/kyoto_storage.go
index a8990e4db..e4f87e3c1 100644
--- a/timespans/kyoto_storage.go
+++ b/timespans/kyoto_storage.go
@@ -1,8 +1,8 @@
 package timespans
 
 import (
-	"strings"
 	"github.com/fsouza/gokabinet/kc"
+	"strings"
 )
 
 type KyotoStorage struct {
@@ -10,7 +10,7 @@ type KyotoStorage struct {
 }
 
 func NewKyotoStorage(filaName string) (*KyotoStorage, error) {
-	ndb, err := kc.Open(filaName, kc.READ)
+	ndb, err := kc.Open(filaName, kc.WRITE)
 	return &KyotoStorage{db: ndb}, err
 }
 
@@ -23,20 +23,31 @@ func (ks *KyotoStorage) GetActivationPeriods(key string) (aps []*ActivationPerio
 
 	if err == nil {
 		for _, ap_string := range strings.Split(values, "\n") {
-				if len(ap_string) > 0 {
-					ap := &ActivationPeriod{}
-					ap.restore(ap_string)
-					aps = append(aps, ap)
-				}
+			if len(ap_string) > 0 {
+				ap := &ActivationPeriod{}
+				ap.restore(ap_string)
+				aps = append(aps, ap)
+			}
 		}
 	}
 	return aps, err
 }
 
-func (ks *KyotoStorage) SetActivationPeriods(key string, aps []*ActivationPeriod){
+func (ks *KyotoStorage) SetActivationPeriods(key string, aps []*ActivationPeriod) {
 	result := ""
 	for _, ap := range aps {
 		result += ap.store() + "\n"
 	}
 	ks.db.Set(key, result)
 }
+
+func (ks *KyotoStorage) GetDestination(key string) (dest *Destination, err error) {
+	values, err := ks.db.Get(key)
+	dest = &Destination{Id:key}
+	dest.restore(values)
+	return
+}
+
+func (ks *KyotoStorage) SetDestination(dest *Destination) {
+	ks.db.Set(dest.Id, dest.store())
+}
diff --git a/timespans/mongo_storage.go b/timespans/mongo_storage.go
index 79e027b60..212a24837 100644
--- a/timespans/mongo_storage.go
+++ b/timespans/mongo_storage.go
@@ -6,12 +6,12 @@ import (
 )
 
 type KeyValue struct {
-	Key   string
+	Key               string
 	ActivationPeriods []*ActivationPeriod
 }
 
 type MongoStorage struct {
-	db      *mgo.Collection
+	db *mgo.Database
 	session *mgo.Session
 }
 
@@ -22,8 +22,12 @@ func NewMongoStorage(address, db string) (*MongoStorage, error) {
 	}
 	session.SetMode(mgo.Monotonic, true)
 
-	ndb := session.DB(db).C("ap")
-	return &MongoStorage{db: ndb, session: session}, nil
+	index := mgo.Index{Key: []string{"key"},Unique: true,DropDups: true,Background: true}
+	err = session.DB(db).C("ap").EnsureIndex(index)
+	index = mgo.Index{Key: []string{"id"},Unique: true,DropDups: true,Background: true}
+	err = session.DB(db).C("dest").EnsureIndex(index)
+
+	return &MongoStorage{db: session.DB(db), session: session}, nil
 }
 
 func (ms *MongoStorage) Close() {
@@ -31,11 +35,25 @@ func (ms *MongoStorage) Close() {
 }
 
 func (ms *MongoStorage) GetActivationPeriods(key string) (aps []*ActivationPeriod, err error) {
+	ndb := ms.db.C("ap")
 	result := KeyValue{}
-	err = ms.db.Find(bson.M{"key": key}).One(&result)
+	err = ndb.Find(bson.M{"key": key}).One(&result)
 	return result.ActivationPeriods, err
 }
 
-func (ms *MongoStorage) SetActivationPeriods(key string, aps []*ActivationPeriod){
-	ms.db.Insert(&KeyValue{key, aps})
+func (ms *MongoStorage) SetActivationPeriods(key string, aps []*ActivationPeriod) {
+	ndb := ms.db.C("ap")
+	ndb.Insert(&KeyValue{key, aps})
+}
+
+func (ms *MongoStorage) GetDestination(key string) (result *Destination, err error) {
+	ndb := ms.db.C("dest")
+	result = &Destination{}
+	err = ndb.Find(bson.M{"id": key}).One(result)
+	return
+}
+
+func (ms *MongoStorage) SetDestination(dest *Destination) {
+	ndb := ms.db.C("dest")
+	ndb.Insert(&dest)
 }
diff --git a/timespans/redis_storage.go b/timespans/redis_storage.go
index 1350b36c8..6ad10261e 100644
--- a/timespans/redis_storage.go
+++ b/timespans/redis_storage.go
@@ -1,8 +1,8 @@
 package timespans
 
 import (
-	"strings"
 	"github.com/simonz05/godis"
+	"strings"
 )
 
 type RedisStorage struct {
@@ -20,23 +20,34 @@ func (rs *RedisStorage) Close() {
 
 func (rs *RedisStorage) GetActivationPeriods(key string) (aps []*ActivationPeriod, err error) {
 	elem, err := rs.db.Get(key)
-	values:= elem.String()
+	values := elem.String()
 	if err == nil {
 		for _, ap_string := range strings.Split(values, "\n") {
-				if len(ap_string) > 0 {
-					ap := &ActivationPeriod{}
-					ap.restore(ap_string)
-					aps = append(aps, ap)
-				}
+			if len(ap_string) > 0 {
+				ap := &ActivationPeriod{}
+				ap.restore(ap_string)
+				aps = append(aps, ap)
+			}
 		}
 	}
 	return aps, err
 }
 
-func (rs *RedisStorage) SetActivationPeriods(key string, aps []*ActivationPeriod){
+func (rs *RedisStorage) SetActivationPeriods(key string, aps []*ActivationPeriod) {
 	result := ""
 	for _, ap := range aps {
 		result += ap.store() + "\n"
 	}
 	rs.db.Set(key, result)
 }
+
+func (rs *RedisStorage) GetDestination(key string) (dest *Destination, err error) {
+	values, err := rs.db.Get(key)
+	dest = &Destination{Id:key}
+	dest.restore(values.String())
+	return
+}
+
+func (rs *RedisStorage) SetDestination(dest *Destination) {
+	rs.db.Set(dest.Id, dest.store())
+}
diff --git a/timespans/storage_interface.go b/timespans/storage_interface.go
index 3f8c8d659..35bed1a77 100644
--- a/timespans/storage_interface.go
+++ b/timespans/storage_interface.go
@@ -7,4 +7,6 @@ type StorageGetter interface {
 	Close()
 	GetActivationPeriods(key string) ([]*ActivationPeriod, error)
 	SetActivationPeriods(key string, aps []*ActivationPeriod)
+	GetDestination(key string) (*Destination, error)
+	SetDestination(dest *Destination)
 }
diff --git a/timespans/test.kch b/timespans/test.kch
index cf1a25715..47d449be9 100644
Binary files a/timespans/test.kch and b/timespans/test.kch differ
diff --git a/timespans/test_destinations.json b/timespans/test_destinations.json
index 0bb54b11c..5e9948506 100644
--- a/timespans/test_destinations.json
+++ b/timespans/test_destinations.json
@@ -1,3 +1,5 @@
-{"Id":"nationale", "Prefixes":["0256","0257","0723","0740"]}
-{"Id":"mobil", "Prefixes":["0723","0740"]}
+[
+{"Id":"nationale", "Prefixes":["0256","0257","0723","0740"]},
+{"Id":"mobil", "Prefixes":["0723","0740"]},
 {"Id":"radu", "Prefixes":["0723045326"]}
+]
diff --git a/timespans/userbudget.go b/timespans/userbudget.go
index 55665ec31..d1e436fdd 100644
--- a/timespans/userbudget.go
+++ b/timespans/userbudget.go
@@ -39,26 +39,6 @@ func (ub *UserBudget) GetSecondsForPrefix(prefix string) (seconds int) {
 	return
 }
 
-type Destination struct {
-	Id       string
-	Prefixes []string
-}
-
-func (d *Destination) GetKey() (result string) {
-	return d.Id
-}
-
-func (d *Destination) store() (result string) {
-	for _, p := range d.Prefixes {
-		result += p + ","
-	}
-	return
-}
-
-func (d *Destination) restore(input string) {
-	d.Prefixes := strings.Split(input, ",")
-}
-
 type MinuteBucket struct {
 	seconds     int
 	priority    int
@@ -67,7 +47,7 @@ type MinuteBucket struct {
 }
 
 func (mb *MinuteBucket) containsPrefix(prefix string) bool {
-	for _, p := range mb.destination.prefixes {
+	for _, p := range mb.destination.Prefixes {
 		if prefix == p {
 			return true
 		}
diff --git a/timespans/userbudget_test.go b/timespans/userbudget_test.go
index 381b460ae..21e3f092d 100644
--- a/timespans/userbudget_test.go
+++ b/timespans/userbudget_test.go
@@ -5,8 +5,8 @@ import (
 )
 
 var (
-	nationale = &Destination{id: "nationale", prefixes: []string{"0257", "0256", "0723"}}
-	retea     = &Destination{id: "retea", prefixes: []string{"0723", "0724"}}
+	nationale = &Destination{Id: "nationale", Prefixes: []string{"0257", "0256", "0723"}}
+	retea     = &Destination{Id: "retea", Prefixes: []string{"0723", "0724"}}
 )
 
 func TestGetSeconds(t *testing.T) {