diff --git a/controller/api/initialise_test.go b/controller/api/initialise_test.go
index 0c5bf313e5258a0a47e270c073c4265b023a7541..af37f2363d1e465fc2426eceea3fb888f5705dc7 100644
--- a/controller/api/initialise_test.go
+++ b/controller/api/initialise_test.go
@@ -26,6 +26,7 @@ import (
 	"code.fbi.h-da.de/danet/gosdn/controller/topology/links"
 	"code.fbi.h-da.de/danet/gosdn/controller/topology/nodes"
 	"code.fbi.h-da.de/danet/gosdn/controller/topology/ports"
+	"code.fbi.h-da.de/danet/gosdn/controller/topology/store"
 	"code.fbi.h-da.de/danet/gosdn/models/generated/openconfig"
 	"github.com/google/uuid"
 	log "github.com/sirupsen/logrus"
@@ -146,14 +147,14 @@ func bootstrapUnitTest() {
 
 	jwtManager := rbacImpl.NewJWTManager("", (10000 * time.Hour))
 
-	topoloyStore := topology.NewGenericStore[links.Link]()
-	topologyService := topology.NewTopologyService(&topoloyStore)
+	topoloyStore := store.NewGenericStore[links.Link]()
+	topologyService := topology.NewTopologyService(topoloyStore)
 
-	nodeStore := topology.NewGenericStore[nodes.Node]()
-	nodeService := nodes.NewNodeService(&nodeStore)
+	nodeStore := store.NewGenericStore[nodes.Node]()
+	nodeService := nodes.NewNodeService(nodeStore)
 
-	portStore := topology.NewGenericStore[ports.Port]()
-	portService := ports.NewPortService(&portStore)
+	portStore := store.NewGenericStore[ports.Port]()
+	portService := ports.NewPortService(portStore)
 
 	northbound := nbi.NewNBI(pndStore, userService, roleService, *jwtManager, topologyService, nodeService, portService)
 
diff --git a/controller/controller.go b/controller/controller.go
index 7f602931773b5a31887bd3175b47c56c239444bc..a9651bd7a449e92fe141871c738988f89e3db205 100644
--- a/controller/controller.go
+++ b/controller/controller.go
@@ -48,7 +48,7 @@ type Core struct {
 	pndStore        networkdomain.PndStore
 	userService     rbac.UserService
 	roleService     rbac.RoleService
-	topologyService topology.TopologyService
+	topologyService topology.Service
 	nodeService     nodes.Service
 	portService     ports.Service
 	httpServer      *http.Server
diff --git a/controller/northbound/server/nbi.go b/controller/northbound/server/nbi.go
index 1b022237fec1f0ac9eb6d408760d46607df11dd6..3fb3bb65cea4d596e40aa424b1c99f1cd1338278 100644
--- a/controller/northbound/server/nbi.go
+++ b/controller/northbound/server/nbi.go
@@ -34,7 +34,7 @@ func NewNBI(
 	users rbacInterfaces.UserService,
 	roles rbacInterfaces.RoleService,
 	jwt rbac.JWTManager,
-	topologyService topology.TopologyService,
+	topologyService topology.Service,
 	nodeService nodes.Service,
 	portService ports.Service,
 
diff --git a/controller/northbound/server/topology.go b/controller/northbound/server/topology.go
index 71ee89a6fb9db008628cc810efe9d751677f8b2c..e922dc87794c38e80fba914ad04e7efacc151299 100644
--- a/controller/northbound/server/topology.go
+++ b/controller/northbound/server/topology.go
@@ -17,14 +17,14 @@ import (
 // Topology holds a topologyService and represents a TopologyServiceServer.
 type Topology struct {
 	apb.UnimplementedTopologyServiceServer
-	topologyService topology.TopologyService
+	topologyService topology.Service
 	nodeService     nodes.Service
 	portService     ports.Service
 }
 
 // NewTopologyServer receives a topologyService and returns a new TopologyServer.
 func NewTopologyServer(
-	service topology.TopologyService,
+	service topology.Service,
 	nodeService nodes.Service,
 	portService ports.Service,
 ) *Topology {
diff --git a/controller/topology/ports/portService.go b/controller/topology/ports/portService.go
index fadf319349df12714c5eefee9dff176dc596ade4..60fba823684c183f38b516b4047f6bfc318b772e 100644
--- a/controller/topology/ports/portService.go
+++ b/controller/topology/ports/portService.go
@@ -1,7 +1,7 @@
 package ports
 
 import (
-	"code.fbi.h-da.de/danet/gosdn/controller/store"
+	"code.fbi.h-da.de/danet/gosdn/controller/topology/store"
 	"github.com/google/uuid"
 )
 
diff --git a/controller/topology/ports/portStore.go b/controller/topology/ports/portStore.go
index 7b2b6bc43c901d68f1752a7e27ccd3be3f597740..d5dfd0ee20e40311a15347eb38bd2fd55d5d59f2 100644
--- a/controller/topology/ports/portStore.go
+++ b/controller/topology/ports/portStore.go
@@ -7,7 +7,7 @@ import (
 	"code.fbi.h-da.de/danet/gosdn/controller/interfaces/device"
 	"code.fbi.h-da.de/danet/gosdn/controller/nucleus/database"
 	"code.fbi.h-da.de/danet/gosdn/controller/nucleus/errors"
-	"code.fbi.h-da.de/danet/gosdn/controller/store"
+	"code.fbi.h-da.de/danet/gosdn/controller/topology/store"
 	"github.com/google/uuid"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/bson/primitive"
diff --git a/controller/topology/store/query.go b/controller/topology/store/query.go
index 4235ff48e1b162552c3cf3acc024b0a6b71b57b5..888fde795ed442de0d51f4c1ebbe356ab5dd1365 100644
--- a/controller/topology/store/query.go
+++ b/controller/topology/store/query.go
@@ -2,6 +2,7 @@ package store
 
 import "github.com/google/uuid"
 
+// Query is used as parameter to query for items in a store.
 type Query struct {
 	ID   uuid.UUID
 	Name string
diff --git a/controller/topology/topologyService.go b/controller/topology/topologyService.go
index 71881fd4d25075bd6eeb6e585f5d1344724470e3..4defe312bde10bceb11af394f7c6694fba803d44 100644
--- a/controller/topology/topologyService.go
+++ b/controller/topology/topologyService.go
@@ -2,28 +2,28 @@ package topology
 
 import "code.fbi.h-da.de/danet/gosdn/controller/topology/links"
 
-// TopologyService defines an interface for a TopologyService
-type TopologyService interface {
+// Service defines an interface for a Service
+type Service interface {
 	AddLink(links.Link) error
 	UpdateLink(links.Link) error
 	DeleteLink(links.Link) error
 	GetAll() ([]links.Link, error)
 }
 
-// Service is a service for ports
-type Service struct {
+// service is a service for ports
+type service struct {
 	store Store
 }
 
 // NewTopologyService creates a new TopologyService
-func NewTopologyService(store Store) TopologyService {
-	return &Service{
+func NewTopologyService(store Store) Service {
+	return &service{
 		store: store,
 	}
 }
 
 // AddLink adds a new link to the topology
-func (t *Service) AddLink(link links.Link) error {
+func (t *service) AddLink(link links.Link) error {
 	err := t.store.Add(link)
 	if err != nil {
 		return err
@@ -33,7 +33,7 @@ func (t *Service) AddLink(link links.Link) error {
 }
 
 // UpdateLink updates an existing link
-func (t *Service) UpdateLink(link links.Link) error {
+func (t *service) UpdateLink(link links.Link) error {
 	err := t.store.Update(link)
 	if err != nil {
 		return err
@@ -43,7 +43,7 @@ func (t *Service) UpdateLink(link links.Link) error {
 }
 
 // DeleteLink deletes a link
-func (t *Service) DeleteLink(link links.Link) error {
+func (t *service) DeleteLink(link links.Link) error {
 	err := t.store.Delete(link)
 	if err != nil {
 		return err
@@ -53,7 +53,7 @@ func (t *Service) DeleteLink(link links.Link) error {
 }
 
 // GetAll returns the current topology
-func (t *Service) GetAll() ([]links.Link, error) {
+func (t *service) GetAll() ([]links.Link, error) {
 	topo, err := t.store.GetAll()
 	if err != nil {
 		return topo, err
diff --git a/controller/topology/topologyStore.go b/controller/topology/topologyStore.go
index 5c27c0c7e1fb5ab6ff5106caf1aa74e0b5c8a6ac..263e5c4b92e4f360a1499b0eac97b452137c2708 100644
--- a/controller/topology/topologyStore.go
+++ b/controller/topology/topologyStore.go
@@ -6,8 +6,8 @@ import (
 
 	"code.fbi.h-da.de/danet/gosdn/controller/nucleus/database"
 	"code.fbi.h-da.de/danet/gosdn/controller/nucleus/errors"
-	"code.fbi.h-da.de/danet/gosdn/controller/store"
 	"code.fbi.h-da.de/danet/gosdn/controller/topology/links"
+	"code.fbi.h-da.de/danet/gosdn/controller/topology/store"
 	"github.com/google/uuid"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/bson/primitive"