diff --git a/Makefile b/Makefile
deleted file mode 100644
index ffdcf1a5..00000000
--- a/Makefile
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diff --git a/src/control_server.c b/src/control_server.c
index d45ddea2..b99fa30b 100644
--- a/src/control_server.c
+++ b/src/control_server.c
@@ -11,6 +11,7 @@
 #include "tun_if.h"
 #include "route_lib.h"
 #include "route_bgp.h"
+#include "route_node.h"
 #include "pkt_normalizer.h"
 #include "../tools/etcpmon/etcpmon_protocol.h"
 #include "../lib/u_async.h"
@@ -96,8 +97,19 @@ static void send_metrics(struct control_server* server, struct control_client* c
 static void send_debug_config(struct control_server* server, struct control_client* client, uint8_t seq_id);
 static void send_error(struct control_client* client, uint8_t error_code, const char* msg, uint8_t seq_id);
 
+static void control_server_send_node_list(struct control_server* server, struct control_client* client, uint8_t seq_id);
+static void send_single_node_info(struct control_server* server, struct control_client* client, struct NODEINFO_Q* nq);
+static int control_client_send(struct control_server* server, struct control_client* client, uint8_t* dgram, uint16_t len);
+
 static struct ETCP_CONN* find_connection_by_peer_id(struct UTUN_INSTANCE* instance, uint64_t peer_id);
 
+/* From route_bgp.c */
+int nodeinfo_dyn_size(struct NODEINFO* node);
+
+/* ETCP ID/subcmd constants for BGP_NODEINFO_PACKET (from route_bgp.h) */
+#define CTRL_BGP_CMD     0x01
+#define CTRL_BGP_SUBCMD  0x04
+
 /* ============================================================================
  * Server Initialization
  * ============================================================================ */
@@ -400,13 +412,26 @@ static void accept_callback(socket_t fd, void* arg) {
     
     client->fd = client_fd;
     client->server = server;  /* Store back pointer to server */
-//    client->connected = 1;
     client->selected_peer_id = 0;
-    
+
+    client->output_queue = queue_new(server->ua, 0, 0, 0, "ctrl_out");
+    if (!client->output_queue) {
+        DEBUG_ERROR(DEBUG_CATEGORY_CONTROL, "Failed to create output queue for client");
+        u_free(client);
+#ifdef _WIN32
+        closesocket(client_fd);
+#else
+        close(client_fd);
+#endif
+        return;
+    }
+    client->subscribed_nodes = 0;
+    client->write_registered = 0;
+
     /* Register with uasync */
     client->socket_id = uasync_add_socket_t(server->ua, client_fd,
                                             client_read_callback,
-                                            NULL,  /* write callback - not needed for now */
+                                            client_write_callback,
                                             client_except_callback,
                                             client);
     
@@ -544,9 +569,44 @@ static void client_read_callback(socket_t fd, void* arg) {
 }
 
 static void client_write_callback(socket_t fd, void* arg) {
-    /* Not used for now - writes are immediate */
+    struct control_client* client = (struct control_client*)arg;
+    struct control_server* server = client->server;
+    struct ll_queue* q = client->output_queue;
+
+    while (q->head) {
+        struct ll_entry* entry = q->head;
+
+#ifdef _WIN32
+        int sent = send(fd, (const char*)entry->dgram, entry->len, 0);
+        if (sent == SOCKET_ERROR) {
+            int err = WSAGetLastError();
+            if (err != WSAEWOULDBLOCK) {
+                DEBUG_ERROR(DEBUG_CATEGORY_CONTROL, "Client send error: %d, closing", err);
+                close_client(server, client);
+                return;
+            }
+            return;
+        }
+#else
+        ssize_t sent = send(fd, entry->dgram, entry->len, 0);
+        if (sent < 0) {
+            if (errno != EAGAIN && errno != EWOULDBLOCK) {
+                DEBUG_ERROR(DEBUG_CATEGORY_CONTROL, "Client send error: %s, closing", strerror(errno));
+                close_client(server, client);
+                return;
+            }
+            return;
+        }
+#endif
+        if ((size_t)sent < entry->len) { entry->dgram += sent; entry->len -= (uint16_t)sent; q->total_bytes -= (size_t)sent; return; }
+
+        struct ll_entry* e = queue_data_get(q);
+        queue_dgram_free(e); queue_entry_free(e);
+    }
+
+    uasync_set_socket_write(server->ua, client->socket_id, 0);
+    client->write_registered = 0;
     (void)fd;
-    (void)arg;
 }
 
 static void client_except_callback(socket_t fd, void* arg) {
@@ -560,6 +620,21 @@ static void client_except_callback(socket_t fd, void* arg) {
     (void)fd;
 }
 
+static int control_client_send(struct control_server* server, struct control_client* client, uint8_t* dgram, uint16_t len) {
+    (void)server;
+    if (!client || !client->output_queue || !dgram || len == 0) return -1;
+    struct ll_entry* entry = queue_entry_new(0);
+    if (!entry) { DEBUG_ERROR(DEBUG_CATEGORY_CONTROL, "Failed to allocate output queue entry"); return -1; }
+    entry->dgram = dgram;
+    entry->len = len;
+    entry->int_len = len;
+    queue_data_put(client->output_queue, entry);
+    if (!client->write_registered) {
+        uasync_set_socket_write(client->server->ua, client->socket_id, 1);
+        client->write_registered = 1;
+    }
+    return 0;
+}
 
 static void close_client(struct control_server* server, struct control_client* client) {
     if (!server || !client) return;
@@ -583,7 +658,9 @@ static void close_client(struct control_server* server, struct control_client* c
         close(client->fd);
     }
 #endif
-    
+
+    if (client->output_queue) { queue_free(client->output_queue); client->output_queue = NULL; }
+
     /* Remove from list */
     struct control_client** curr = &server->clients;
     while (*curr) {
@@ -614,7 +691,7 @@ static void handle_client_data(struct control_server* server, struct control_cli
             close_client(server, client);
             return;
         }
-        if (hdr->type < ETCPMON_CMD_LIST_CONN || hdr->type > ETCPMON_CMD_SET_DEBUG_CONFIG) {
+        if (hdr->type < ETCPMON_CMD_LIST_CONN || hdr->type > ETCPMON_CMD_SUBSCRIBE_NODES) {
             DEBUG_ERROR(DEBUG_CATEGORY_CONTROL, "Invalid command type from client: 0x%02X", hdr->type);
             close_client(server, client);
             return;
@@ -721,6 +798,17 @@ static void handle_client_data(struct control_server* server, struct control_cli
                 }
                 break;
 
+            case ETCPMON_CMD_SUBSCRIBE_NODES:
+                client->subscribed_nodes = 1;
+                if (server->log_file) {
+                    fprintf(server->log_file, "%llu: [LOG] Client subscribed to node updates\n",
+                           (unsigned long long)get_timestamp_ms());
+                    fflush(server->log_file);
+                }
+                DEBUG_INFO(DEBUG_CATEGORY_CONTROL, "Client subscribed to node updates");
+                control_server_send_node_list(server, client, req_seq);
+                break;
+
             case ETCPMON_CMD_DISCONNECT:
                 if (server->log_file) {
                     fprintf(server->log_file, "%llu: [LOG] Client requested disconnect\n",
@@ -795,13 +883,7 @@ static void send_conn_list(struct control_server* server, struct control_client*
         fflush(server->log_file);
     }
     
-#ifdef _WIN32
-    send(client->fd, (const char*)buffer, rsp_size, 0);
-#else
-    send(client->fd, buffer, rsp_size, 0);
-#endif
-    
-    u_free(buffer);
+    control_client_send(server, client, buffer, rsp_size);
 }
 
 static void send_socket_list(struct control_server* server, struct control_client* client, uint8_t seq_id) {
@@ -819,8 +901,7 @@ static void send_socket_list(struct control_server* server, struct control_clien
         struct etcpmon_rsp_socket_list* rsp = (struct etcpmon_rsp_socket_list*)(buffer + sizeof(*hdr));
         rsp->count = 0;
 
-        send(client->fd, buffer, rsp_size, 0);
-        u_free(buffer);
+        control_client_send(server, client, buffer, rsp_size);
         return;
     }
 
@@ -889,17 +970,11 @@ static void send_socket_list(struct control_server* server, struct control_clien
     if (server->log_file) {
         log_hex_data(server->log_file, "TX", buffer, rsp_size);
         fprintf(server->log_file, "%llu: [LOG] Sent RSP_SOCKET_LIST count=%d\n",
-               (unsigned long long)get_timestamp_ms(), count);
+                (unsigned long long)get_timestamp_ms(), count);
         fflush(server->log_file);
     }
 
-#ifdef _WIN32
-    send(client->fd, (const char*)buffer, rsp_size, 0);
-#else
-    send(client->fd, buffer, rsp_size, 0);
-#endif
-
-    u_free(buffer);
+    control_client_send(server, client, buffer, rsp_size);
 }
 
 static void send_metrics(struct control_server* server, struct control_client* client, uint8_t seq_id) {
@@ -1136,13 +1211,7 @@ static void send_metrics(struct control_server* server, struct control_client* c
         fflush(server->log_file);
     }
     
-#ifdef _WIN32
-    send(client->fd, (const char*)buffer, rsp_size, 0);
-#else
-    send(client->fd, buffer, rsp_size, 0);
-#endif
-    
-    u_free(buffer);
+    control_client_send(server, client, buffer, rsp_size);
 }
 
 static void send_error(struct control_client* client, uint8_t error_code, const char* msg, uint8_t seq_id) {
@@ -1170,13 +1239,7 @@ static void send_error(struct control_client* client, uint8_t error_code, const
         fflush(server->log_file);
     }
 
-#ifdef _WIN32
-    send(client->fd, (const char*)buffer, rsp_size, 0);
-#else
-    send(client->fd, buffer, rsp_size, 0);
-#endif
-
-    u_free(buffer);
+    control_client_send(server, client, buffer, rsp_size);
 }
 
 static void send_debug_config(struct control_server* server, struct control_client* client, uint8_t seq_id) {
@@ -1215,13 +1278,7 @@ static void send_debug_config(struct control_server* server, struct control_clie
         fflush(server->log_file);
     }
 
-#ifdef _WIN32
-    send(client->fd, (const char*)buffer, rsp_size, 0);
-#else
-    send(client->fd, buffer, rsp_size, 0);
-#endif
-
-    u_free(buffer);
+    control_client_send(server, client, buffer, rsp_size);
 }
 
 /* ============================================================================
@@ -1240,6 +1297,87 @@ static struct ETCP_CONN* find_connection_by_peer_id(struct UTUN_INSTANCE* instan
     return NULL;
 }
 
+/* ============================================================================
+ * Node Info Helpers (send_single_node_info, send_node_list, notify_change)
+ * ============================================================================ */
+
+static void send_single_node_info(struct control_server* server, struct control_client* client, struct NODEINFO_Q* nq) {
+    int dyn = nodeinfo_dyn_size(&nq->node);
+    size_t np_size = sizeof(struct etcpmon_msg_header) + 2 + sizeof(struct NODEINFO) + dyn;
+
+    uint8_t* buffer = (uint8_t*)u_malloc(np_size);
+    if (!buffer) { DEBUG_ERROR(DEBUG_CATEGORY_CONTROL, "Failed to allocate node info buffer"); return; }
+
+    struct etcpmon_msg_header* hdr = (struct etcpmon_msg_header*)buffer;
+    etcpmon_build_header(hdr, 2 + sizeof(struct NODEINFO) + dyn, ETCPMON_RSP_NODE_INFO, 0);
+
+    uint8_t* pay = buffer + sizeof(*hdr);
+    pay[0] = CTRL_BGP_CMD; pay[1] = CTRL_BGP_SUBCMD;
+    memcpy(pay + 2, &nq->node, sizeof(struct NODEINFO));
+    memcpy(pay + 2 + sizeof(struct NODEINFO), (uint8_t*)&nq->node + sizeof(struct NODEINFO), dyn);
+
+    control_client_send(server, client, buffer, (uint16_t)np_size);
+}
+
+static void control_server_send_node_list(struct control_server* server, struct control_client* client, uint8_t seq_id) {
+    struct ROUTE_BGP* bgp = server->instance->bgp;
+    if (!bgp) { send_error(client, ETCPMON_ERR_SERVER_BUSY, "BGP not available", seq_id); return; }
+
+    /* Send local node first */
+    if (bgp->local_node) send_single_node_info(server, client, bgp->local_node);
+
+    /* Send all known remote nodes */
+    struct ll_entry* e = bgp->nodes ? bgp->nodes->head : NULL;
+    while (e) {
+        struct NODEINFO_Q* nq = (struct NODEINFO_Q*)e;
+        send_single_node_info(server, client, nq);
+        e = e->next;
+    }
+
+    /* Send end-of-list marker */
+    uint8_t* buffer = (uint8_t*)u_malloc(sizeof(struct etcpmon_msg_header));
+    if (!buffer) return;
+    struct etcpmon_msg_header* hdr = (struct etcpmon_msg_header*)buffer;
+    etcpmon_build_header(hdr, 0, ETCPMON_RSP_NODE_INFO_END, seq_id);
+    control_client_send(server, client, buffer, sizeof(struct etcpmon_msg_header));
+
+    DEBUG_INFO(DEBUG_CATEGORY_CONTROL, "Sent node list to client (seq=%d)", seq_id);
+}
+
+void control_server_notify_node_change(struct control_server* server, struct NODEINFO_Q* node) {
+    if (!server || !node) return;
+    struct control_client* client = server->clients;
+    while (client) {
+        if (client->subscribed_nodes) send_single_node_info(server, client, node);
+        client = client->next;
+    }
+}
+
+void control_server_notify_node_removed(struct control_server* server, uint64_t node_id) {
+    if (!server) return;
+
+    uint8_t* buffer = (uint8_t*)u_malloc(sizeof(struct etcpmon_msg_header) + sizeof(uint64_t));
+    if (!buffer) return;
+
+    struct etcpmon_msg_header* hdr = (struct etcpmon_msg_header*)buffer;
+    etcpmon_build_header(hdr, sizeof(uint64_t), ETCPMON_RSP_NODE_REMOVED, 0);
+    *(uint64_t*)(buffer + sizeof(*hdr)) = node_id;
+
+    struct control_client* client = server->clients;
+    while (client) {
+        if (client->subscribed_nodes) {
+            /* Every client needs its own copy since ownership transfers to the queue */
+            uint8_t* copy = (uint8_t*)u_malloc(sizeof(struct etcpmon_msg_header) + sizeof(uint64_t));
+            if (copy) {
+                memcpy(copy, buffer, sizeof(struct etcpmon_msg_header) + sizeof(uint64_t));
+                control_client_send(server, client, copy, sizeof(struct etcpmon_msg_header) + sizeof(uint64_t));
+            }
+        }
+        client = client->next;
+    }
+    u_free(buffer);
+}
+
 /* ============================================================================
  * Public API Implementation
  * ============================================================================ */
diff --git a/src/control_server.h b/src/control_server.h
index aa966871..27de068b 100644
--- a/src/control_server.h
+++ b/src/control_server.h
@@ -19,6 +19,8 @@ extern "C" {
 /* Forward declarations */
 struct UTUN_INSTANCE;
 struct UASYNC;
+struct NODEINFO_Q;
+struct ll_queue;
 
 /* Forward declaration */
 struct control_server;
@@ -36,9 +38,10 @@ struct control_client {
     
     /* Selected connection */
     uint64_t selected_peer_id;          /* 0 = none selected */
-    
-    /* Client state */
-//    uint8_t connected;
+
+    struct ll_queue* output_queue;      /* Output queue for async sends */
+    uint8_t subscribed_nodes;           /* 1 = subscribed to node updates */
+    uint8_t write_registered;           /* 1 = write events registered in uasync */
 };
 
 /* Control server state */
@@ -113,6 +116,9 @@ void control_server_process_updates(struct control_server* server);
  */
 uint32_t control_server_get_client_count(const struct control_server* server);
 
+void control_server_notify_node_change(struct control_server* server, struct NODEINFO_Q* node);
+void control_server_notify_node_removed(struct control_server* server, uint64_t node_id);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/route_bgp.c b/src/route_bgp.c
index 1bc6f0e5..f03f4633 100644
--- a/src/route_bgp.c
+++ b/src/route_bgp.c
@@ -20,6 +20,7 @@
 #include "route_bgp.h"
 #include "route_ping.h"
 #include "route_connectivity.h"
+#include "control_server.h"
 
 
 // ============================================================================
@@ -442,6 +443,8 @@ void route_bgp_remove_conn(struct ETCP_CONN* conn) {
         if (route_bgp_remove_path(nq, conn) == 1) {
             need_withdraw = true;
             if (rt) route_delete(rt, nq);
+            if (conn->instance && conn->instance->control_srv)
+                control_server_notify_node_removed(conn->instance->control_srv, nq->node.node_id);
             nq->dirty = 1;
             route_connectivity_cancel_node(conn->instance, nq);
             if (nq->paths) { queue_free(nq->paths); nq->paths = NULL; }
@@ -830,6 +833,8 @@ int route_bgp_process_nodeinfo(struct ROUTE_BGP* bgp, struct ETCP_CONN* from, co
         route_node_lmdb_put(bgp, nodeinfo1);
     }
 
+    if (bgp->instance->control_srv) control_server_notify_node_change(bgp->instance->control_srv, nodeinfo1);
+
     int hop_count=nodeinfo1->node.hop_count;
 
     // рассылаем по узлам которых нет в hop_list этой ноды (loop prevention)
@@ -875,6 +880,7 @@ int route_bgp_process_withdraw(struct ROUTE_BGP* bgp, struct ETCP_CONN* sender,
     int ret=route_bgp_remove_path_by_hop(nq, wd_source);
     if (ret>0 || !nq->paths || (nq->paths && queue_entry_count(nq->paths) == 0)) {
         if (bgp->instance && bgp->instance->rt) route_delete(bgp->instance->rt, nq);
+        if (bgp->instance->control_srv) control_server_notify_node_removed(bgp->instance->control_srv, node_id);
         nq->dirty = 1;
         route_connectivity_cancel_node(bgp->instance, nq);
         if (nq->paths) { queue_free(nq->paths); nq->paths = NULL; }
diff --git a/tools/etcpmon/etcpmon_protocol.h b/tools/etcpmon/etcpmon_protocol.h
index bbe9c903..185a8c04 100644
--- a/tools/etcpmon/etcpmon_protocol.h
+++ b/tools/etcpmon/etcpmon_protocol.h
@@ -53,12 +53,16 @@ extern "C" {
 #define ETCPMON_CMD_ACTION          0x06    /* Execute action (text command) */
 #define ETCPMON_CMD_GET_DEBUG_CONFIG 0x07   /* Request current debug levels */
 #define ETCPMON_CMD_SET_DEBUG_CONFIG 0x08   /* Set debug levels (byte array) */
+#define ETCPMON_CMD_SUBSCRIBE_NODES   0x09   /* Subscribe to node changes */
 
 /* Server -> Client responses */
 #define ETCPMON_RSP_CONN_LIST       0x81    /* Connection list response */
 #define ETCPMON_RSP_METRICS         0x82    /* Metrics response */
 #define ETCPMON_RSP_SOCKET_LIST     0x83    /* Socket list response */
 #define ETCPMON_RSP_DEBUG_CONFIG    0x84    /* Debug levels response */
+#define ETCPMON_RSP_NODE_INFO       0x85    /* Single node info (payload: raw BGP_NODEINFO_PACKET) */
+#define ETCPMON_RSP_NODE_INFO_END   0x86    /* End of node list (no payload) */
+#define ETCPMON_RSP_NODE_REMOVED    0x88    /* Node removed (payload: uint64_t node_id) */
 #define ETCPMON_RSP_ERROR           0xFF    /* Error response */
 
 /* Error codes for RSP_ERROR */