diff --git a/access-node/include/insite/config.h b/access-node/include/insite/config.h
index 43fbd577dbdb847190eaf51af1beaeabbc880800..e2088b22c40dbe8866f0ac9631ba5bc8907056af 100644
--- a/access-node/include/insite/config.h
+++ b/access-node/include/insite/config.h
@@ -9,22 +9,22 @@ namespace insite {
 
 inline constexpr int kDefaultPortNumberAccessNode = 52056;
 inline constexpr int kDefaultPortNumberSimulationNode = 18080;
-inline constexpr int kDefaultPortNumberSimulationNodeArbor = 1337;
-inline constexpr int kDefaultPortNumberAccessWebsocket = 9010;
+inline constexpr int kDefaultPortNumberSimulationNodeArbor = 19000;
+inline constexpr int kDefaultPortNumberAccessWebsocket = 9011;
 
 class ServerConfig {
-public:
-  static ServerConfig &GetInstance() {
-    static ServerConfig instance; // Guaranteed to be destroyed.
-                                  // Instantiated on first use.
+ public:
+  static ServerConfig& GetInstance() {
+    static ServerConfig instance;  // Guaranteed to be destroyed.
+                                   // Instantiated on first use.
     return instance;
   }
 
-  ServerConfig() = default; // Constructor? (the {} brackets) are needed here.
+  ServerConfig() = default;  // Constructor? (the {} brackets) are needed here.
 
-  void ParseTomlConfigFromFile(const std::string &filename);
-  void ParseYamlConfigFromFile(const std::string &filename);
-  void ParseYamlConfigFromString(const std::string &content);
+  void ParseTomlConfigFromFile(const std::string& filename);
+  void ParseYamlConfigFromFile(const std::string& filename);
+  void ParseYamlConfigFromString(const std::string& content);
   void ParseConfigFromEnv();
 
   void ParseConfigIfExists();
@@ -35,7 +35,7 @@ public:
   // void GenerateUrls();
   void GenerateUrls(std::string base_url, int port_number_nodes);
 
-  void GenerateUrls(std::vector<std::string> &url_container, const std::string &base_url, int port_number_nodes);
+  void GenerateUrls(std::vector<std::string>& url_container, const std::string& base_url, int port_number_nodes);
 
   bool ports_consecutive_nest = true;
   bool ports_consecutive_arbor = true;
@@ -55,4 +55,4 @@ public:
 
   friend struct fmt::formatter<ServerConfig>;
 };
-} // namespace insite
+}  // namespace insite
diff --git a/access-node/include/insite/tvb/endpoints.h b/access-node/include/insite/tvb/endpoints.h
index 3fbc565194d985e986c782bbf29a0c4c0909e6a3..26e0e4c3f63a02eb981064f9fc288cbc305337c8 100644
--- a/access-node/include/insite/tvb/endpoints.h
+++ b/access-node/include/insite/tvb/endpoints.h
@@ -1,31 +1,28 @@
 #pragma once
+#include <tvb/handler.h>
+#include <utility_functions.h>
+#include <chrono>
 #include "crow/app.h"
 #include "crow/http_response.h"
 #include "crow/middlewares/cors.h"
 #include "query_params.h"
 #include "rapidjson/stringbuffer.h"
 #include "rapidjson/writer.h"
-#include <chrono>
-#include <tvb/handler.h>
-#include <utility_functions.h>
 
 namespace insite {
 class TVBHttpEndpoint {
-private:
-public:
-  inline static TvbHandler *tvb_handler = nullptr;
-
-  static void RegisterRoutes(crow::App<crow::CORSHandler> &app);
+ private:
+ public:
+  inline static TvbHandler* tvb_handler = nullptr;
 
-  static crow::response LOL(const crow::request &request);
+  static void RegisterRoutes(crow::App<crow::CORSHandler>& app);
 
-  static crow::response GetSimInfoDetails(const crow::request &request, const std::string &value);
+  static crow::response GetSimInfoDetails(const crow::request& request, const std::string& value);
 
-  static crow::response GetSimInfo(const crow::request &request);
+  static crow::response GetSimInfo(const crow::request& request);
 
-  static crow::response GetMonitors(const crow::request &request);
+  static crow::response GetMonitors(const crow::request& request);
 
-  static crow::response GetData(const crow::request &request);
-  
+  static crow::response GetData(const crow::request& request);
 };
-} // namespace insite
+}  // namespace insite
diff --git a/access-node/include/insite/tvb/handler.h b/access-node/include/insite/tvb/handler.h
index c19b2072076430480eb006918dbfaf425683a57c..3741e701558f9405962ff476ec7437d369e806fa 100644
--- a/access-node/include/insite/tvb/handler.h
+++ b/access-node/include/insite/tvb/handler.h
@@ -1,28 +1,28 @@
 #pragma once
-#include "opcodes.h"
-#include "rapidjson/stringbuffer.h"
-#include "rapidjson/writer.h"
-#include "websocket_server.h"
+#include <spdlog/spdlog.h>
+#include <tvb/monitor.h>
+#include <unistd.h>
 #include <condition_variable>
 #include <cstdint>
 #include <mutex>
-#include <spdlog/spdlog.h>
 #include <thread>
-#include <tvb/monitor.h>
-#include <unistd.h>
+#include "opcodes.h"
+#include "rapidjson/stringbuffer.h"
+#include "rapidjson/writer.h"
+#include "websocket_server.h"
 
 namespace insite {
 class TvbHandler {
-public:
+ public:
   TvbHandler() = default;
 
-  void ParseSimInfoReturn(const std::string &payload);
-  void ParseDataPacket(const std::string &payload);
-  void ParseNewMonitorPacket(const std::string &payload);
-  void ParseSimInfo(const std::string &payload);
+  void ParseSimInfoReturn(const std::string& payload);
+  void ParseDataPacket(const std::string& payload);
+  void ParseNewMonitorPacket(const std::string& payload);
+  void ParseSimInfo(const std::string& payload);
   void
-  SerializeMonitorsJson(rapidjson::Writer<rapidjson::StringBuffer> &writer);
-  void AddMessageIntoQueue(std::string &&msg);
+  SerializeMonitorsJson(rapidjson::Writer<rapidjson::StringBuffer>& writer);
+  void AddMessageIntoQueue(std::string&& msg);
 
   void StartThread() {
     consumer_thread_ = std::thread(&TvbHandler::Consumer, this);
@@ -35,7 +35,7 @@ public:
 
   void Consumer();
 
-  WebsocketServer *srv;
+  WebsocketServer* srv;
   // WebsocketServer *srv;
   uint64_t bytes = 0;
   // private:
@@ -51,4 +51,4 @@ public:
 
   rapidjson::Document sim_info;
 };
-} // namespace insite
+}  // namespace insite
diff --git a/access-node/include/insite/tvb/monitor.h b/access-node/include/insite/tvb/monitor.h
index 97f4f570a2313f56d25399a8699de2beaa228534..6d8214efdac032cde39001a2e63c6c6272f86a14 100644
--- a/access-node/include/insite/tvb/monitor.h
+++ b/access-node/include/insite/tvb/monitor.h
@@ -27,8 +27,13 @@ class TvbMonitor {
   std::string uid;
   std::vector<std::string> observed_variables;
 
+  TvbMonitor(std::string name, uint32_t internal_id, std::string uid, std::vector<int> dimensions, std::vector<std::string> observed_variables)
+      : name(std::move(name)), internal_id(internal_id), uid(std::move(uid)), data(2, dimensions), observed_variables(std::move(observed_variables)) {
+    stride_length = dimensions;
+  }
+
   TvbMonitor(std::string name, uint32_t internal_id, std::string uid, std::vector<std::string> observed_variables)
-      : name(std::move(name)), internal_id(internal_id), uid(std::move(uid)), data(10, {1, 76, 2}), observed_variables(std::move(observed_variables)) {
+      : name(std::move(name)), internal_id(internal_id), uid(std::move(uid)), data(1000000, {1, 76, 2}), observed_variables(std::move(observed_variables)) {
     stride_length.push_back(1);
     stride_length.push_back(76);
     stride_length.push_back(2);
@@ -40,7 +45,7 @@ class TvbMonitor {
     writer.StartObject();
     writer.Key("uid");
     writer.String(uid.c_str());
-    writer.Key("interalId");
+    writer.Key("internalId");
     writer.Int(internal_id);
     writer.Key("type");
     writer.String(name.c_str());
@@ -70,9 +75,11 @@ class TvbMonitor {
       writer.StartObject();
       writer.Key("time");
       writer.Double(time);
+      spdlog::error("{}", data.data_.capacity());
       for (int var = 0; var < observed_variables.size(); var++) {
         writer.Key(observed_variables[var].c_str());
         writer.StartArray();
+        spdlog::error("GetVarByIndex {} {}", timestep, var);
         auto res = data.GetVarByIndex(timestep, var);
         for (auto& data : res) {
           if constexpr (std::is_same_v<T, double>) {