diff --git a/internal/core/server.go b/internal/core/server.go
new file mode 100644
index 0000000..8a5dfd6
--- /dev/null
+++ b/internal/core/server.go
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2018-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 core
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"github.com/gorilla/mux"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"net/http"
+	"sync"
+)
+
+type Server struct {
+	store *Store
+}
+
+func NewServer(store *Store) *Server {
+	return &Server{
+		store: store,
+	}
+}
+
+func (s *Server) StartSadisServer(wg *sync.WaitGroup) {
+	defer wg.Done()
+	ctx := context.Background()
+
+	addr := "0.0.0.0:8080"
+
+	router := mux.NewRouter().StrictSlash(true)
+	router.HandleFunc("/subscribers/{ID}", s.serveEntry)
+	router.HandleFunc("/profiles/{ID}", s.serveBWPEntry)
+
+	logger.Fatal(ctx, http.ListenAndServe(addr, router))
+}
+
+func (s Server) serveEntry(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id := vars["ID"]
+
+	ctx := context.TODO()
+	logger.Debugw(ctx, "received-sadis-entry-request", log.Fields{"id": id})
+
+	w.Header().Set("Content-Type", "application/json")
+
+	if olt, err := s.store.getOlt(r.Context(), id); err == nil {
+		w.WriteHeader(http.StatusOK)
+		_ = json.NewEncoder(w).Encode(olt)
+		logger.Infow(ctx, "responded-to-sadis-olt-entry-request", log.Fields{"id": id})
+		return
+	}
+
+	if onu, err := s.store.getOnu(r.Context(), id); err == nil {
+		w.WriteHeader(http.StatusOK)
+		_ = json.NewEncoder(w).Encode(onu)
+		logger.Infow(ctx, "responded-to-sadis-onu-entry-request", log.Fields{"id": id})
+		return
+	}
+
+	w.WriteHeader(http.StatusNotFound)
+	msg := make(map[string]interface{})
+	msg["statusCode"] = http.StatusNotFound
+	msg["message"] = fmt.Sprintf("Entry with ID %s not found.", id)
+	_ = json.NewEncoder(w).Encode(msg)
+
+	logger.Warnw(ctx, "sadis-entry-not-found", log.Fields{"id": id})
+}
+
+func (s Server) serveBWPEntry(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id := vars["ID"]
+
+	ctx := context.TODO()
+	logger.Debugw(ctx, "received-sadis-bandwidthprofile-request", log.Fields{"id": id})
+
+	w.Header().Set("Content-Type", "application/json")
+
+	if bp, err := s.store.getBp(r.Context(), id); err == nil {
+		w.WriteHeader(http.StatusOK)
+		_ = json.NewEncoder(w).Encode(bp)
+		logger.Infow(ctx, "responded-to-sadis-bandwidthprofile-request", log.Fields{"id": id})
+		return
+	}
+
+	w.WriteHeader(http.StatusNotFound)
+	msg := make(map[string]interface{})
+	msg["statusCode"] = http.StatusNotFound
+	msg["message"] = fmt.Sprintf("BandwidthProfile with ID %s not found.", id)
+	_ = json.NewEncoder(w).Encode(msg)
+
+	logger.Warnw(ctx, "sadis-bandwidthprofile-not-found", log.Fields{"id": id})
+}