diff --git a/simlib/blendnet-sims/Cargo.toml b/simlib/blendnet-sims/Cargo.toml
index 9729a7a..9e90789 100644
--- a/simlib/blendnet-sims/Cargo.toml
+++ b/simlib/blendnet-sims/Cargo.toml
@@ -27,3 +27,4 @@ sha2 = "0.10"
 uuid = { version = "1", features = ["fast-rng", "v4"] }
 tracing-appender = "0.2"
 cached = "0.54.0"
+bincode = "1.3.3"
diff --git a/simlib/blendnet-sims/src/main.rs b/simlib/blendnet-sims/src/main.rs
index 9738768..bb122eb 100644
--- a/simlib/blendnet-sims/src/main.rs
+++ b/simlib/blendnet-sims/src/main.rs
@@ -114,6 +114,7 @@ impl SimulationApp {
                 create_boxed_blendnode(
                     node_id,
                     &mut network,
+                    regions_data.clone(),
                     settings.simulation_settings.clone(),
                     no_netcap,
                     BlendnodeSettings {
@@ -155,6 +156,7 @@ impl SimulationApp {
 fn create_boxed_blendnode(
     node_id: NodeId,
     network: &mut Network<BlendMessage>,
+    regions_data: RegionsData,
     simulation_settings: SimulationSettings,
     no_netcap: bool,
     blendnode_settings: BlendnodeSettings,
@@ -190,6 +192,7 @@ fn create_boxed_blendnode(
         node_id,
         blendnode_settings,
         network_interface,
+        regions_data,
     ))
 }
 
diff --git a/simlib/blendnet-sims/src/node/blend/mod.rs b/simlib/blendnet-sims/src/node/blend/mod.rs
index 73cf31a..f16091b 100644
--- a/simlib/blendnet-sims/src/node/blend/mod.rs
+++ b/simlib/blendnet-sims/src/node/blend/mod.rs
@@ -15,6 +15,7 @@ use futures::Stream;
 use lottery::StakeLottery;
 use message::{Payload, PayloadId};
 use multiaddr::Multiaddr;
+use netrunner::network::regions::RegionsData;
 use netrunner::network::NetworkMessage;
 use netrunner::node::{Node, NodeId, NodeIdExt};
 use netrunner::{
@@ -41,8 +42,20 @@ use state::BlendnodeState;
 use std::{pin::pin, task::Poll, time::Duration};
 use stream_wrapper::CrossbeamReceiverStream;
 
-#[derive(Debug, Clone)]
-pub struct BlendMessage(Vec<u8>);
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct BlendMessage {
+    message: Vec<u8>,
+    network_route: Vec<(NodeId, Duration)>,
+}
+
+impl BlendMessage {
+    pub fn new(message: Vec<u8>, origin: NodeId) -> Self {
+        Self {
+            message,
+            network_route: vec![(origin, Duration::ZERO)],
+        }
+    }
+}
 
 impl PayloadSize for BlendMessage {
     fn size_bytes(&self) -> u32 {
@@ -50,6 +63,11 @@ impl PayloadSize for BlendMessage {
     }
 }
 
+struct BlendOutgoingMessageWithRoute {
+    outgoing_message: BlendOutgoingMessage,
+    network_route: Vec<(NodeId, Duration)>,
+}
+
 #[derive(Deserialize)]
 pub struct BlendnodeSettings {
     pub connected_peers: Vec<NodeId>,
@@ -72,6 +90,7 @@ pub struct BlendNode {
     state: BlendnodeState,
     settings: BlendnodeSettings,
     network_interface: InMemoryNetworkInterface<BlendMessage>,
+    regions_data: RegionsData,
     message_cache: TimedCache<Sha256Hash, ()>,
 
     data_msg_lottery_update_time_sender: channel::Sender<Duration>,
@@ -87,10 +106,10 @@ pub struct BlendNode {
         Interval,
     >,
     crypto_processor: CryptographicProcessor<ChaCha12Rng, MockBlendMessage>,
-    temporal_sender: channel::Sender<BlendOutgoingMessage>,
+    temporal_sender: channel::Sender<BlendOutgoingMessageWithRoute>,
     temporal_update_time_sender: channel::Sender<Duration>,
     temporal_processor_messages:
-        TemporalStream<CrossbeamReceiverStream<BlendOutgoingMessage>, TemporalScheduler>,
+        TemporalStream<CrossbeamReceiverStream<BlendOutgoingMessageWithRoute>, TemporalScheduler>,
     epoch_update_sender: channel::Sender<Duration>,
     slot_update_sender: channel::Sender<Duration>,
     cover_traffic: CoverTraffic<Epoch, Slot, MockBlendMessage>,
@@ -101,6 +120,7 @@ impl BlendNode {
         id: NodeId,
         settings: BlendnodeSettings,
         network_interface: InMemoryNetworkInterface<BlendMessage>,
+        regions_data: RegionsData,
     ) -> Self {
         let mut rng_generator = ChaCha12Rng::seed_from_u64(settings.seed);
 
@@ -178,6 +198,7 @@ impl BlendNode {
         Self {
             id,
             network_interface,
+            regions_data,
             // We're not coupling this lifespan with the steps now, but it's okay
             // We expected that a message will be delivered to most of nodes within 60s.
             message_cache: TimedCache::with_lifespan(60),
@@ -224,7 +245,8 @@ impl BlendNode {
             self.network_interface
                 .send_message(*node_id, message.clone())
         }
-        self.message_cache.cache_set(Self::sha256(&message.0), ());
+        self.message_cache
+            .cache_set(Self::sha256(&message.message), ());
     }
 
     fn receive(&mut self) -> Vec<NetworkMessage<BlendMessage>> {
@@ -234,7 +256,7 @@ impl BlendNode {
             // Retain only messages that have not been seen before
             .filter(|msg| {
                 self.message_cache
-                    .cache_set(Self::sha256(&msg.payload().0), ())
+                    .cache_set(Self::sha256(&msg.payload().message), ())
                     .is_none()
             })
             .collect()
@@ -246,23 +268,29 @@ impl BlendNode {
         hasher.finalize().into()
     }
 
-    fn schedule_persistent_transmission(&mut self, message: Vec<u8>) {
+    fn schedule_persistent_transmission(&mut self, message: BlendMessage) {
         self.log_message(
             "PersistentTransmissionScheduled",
-            &Self::parse_payload(&message),
+            &Self::parse_payload(&message.message),
         );
-        self.persistent_sender.send(message).unwrap();
+        self.persistent_sender
+            .send(bincode::serialize(&message).unwrap())
+            .unwrap();
     }
 
-    fn handle_incoming_message(&mut self, message: Vec<u8>) {
-        match self.crypto_processor.unwrap_message(&message) {
+    fn handle_incoming_message(&mut self, message: BlendMessage) {
+        match self.crypto_processor.unwrap_message(&message.message) {
             Ok((unwrapped_message, fully_unwrapped)) => {
                 let temporal_message = if fully_unwrapped {
                     BlendOutgoingMessage::FullyUnwrapped(unwrapped_message)
                 } else {
                     BlendOutgoingMessage::Outbound(unwrapped_message)
                 };
-                self.schedule_temporal_processor(temporal_message);
+
+                self.schedule_temporal_processor(BlendOutgoingMessageWithRoute {
+                    outgoing_message: temporal_message,
+                    network_route: message.network_route,
+                });
             }
             Err(e) => {
                 tracing::debug!("Failed to unwrap message: {:?}", e);
@@ -270,8 +298,8 @@ impl BlendNode {
         }
     }
 
-    fn schedule_temporal_processor(&mut self, message: BlendOutgoingMessage) {
-        let payload = match &message {
+    fn schedule_temporal_processor(&mut self, message: BlendOutgoingMessageWithRoute) {
+        let payload = match &message.outgoing_message {
             BlendOutgoingMessage::FullyUnwrapped(payload) => Payload::load(payload.clone()),
             BlendOutgoingMessage::Outbound(msg) => Self::parse_payload(msg),
         };
@@ -301,8 +329,25 @@ impl BlendNode {
         self.log_message(format!("MessageReleasedFrom{}", from).as_str(), payload);
     }
 
-    fn log_message_fully_unwrapped(&self, payload: &Payload) {
-        self.log_message("MessageFullyUnwrapped", payload);
+    fn log_message_fully_unwrapped(
+        &self,
+        payload: &Payload,
+        network_route: Vec<(NodeId, Duration)>,
+    ) {
+        log!(
+            "MessageFullyUnwrapped",
+            MessageWithRouteLog {
+                message: MessageLog {
+                    payload_id: payload.id(),
+                    step_id: self.state.step_id,
+                    node_id: self.id.index(),
+                },
+                network_route: network_route
+                    .into_iter()
+                    .map(|(id, delay)| (id.index(), delay.as_millis()))
+                    .collect(),
+            }
+        );
     }
 
     fn log_message(&self, topic: &str, payload: &Payload) {
@@ -356,33 +401,52 @@ impl Node for BlendNode {
                     .crypto_processor
                     .wrap_message(payload.as_bytes())
                     .unwrap();
-                self.schedule_persistent_transmission(message);
+                self.schedule_persistent_transmission(BlendMessage::new(message, self.id));
             }
         }
 
         // Handle incoming messages
-        for network_message in self.receive() {
+        for mut network_message in self.receive() {
+            assert_eq!(
+                network_message.payload().network_route.last().unwrap().0,
+                network_message.from
+            );
+            network_message.payload.network_route.push((
+                self.id,
+                self.regions_data
+                    .network_behaviour(network_message.from, self.id)
+                    .delay(),
+            ));
             self.forward(
                 network_message.payload().clone(),
                 Some(network_message.from),
                 None,
             );
-            self.handle_incoming_message(network_message.into_payload().0);
+            self.handle_incoming_message(network_message.into_payload());
         }
 
         // Proceed temporal processor
-        if let Poll::Ready(Some(msg)) =
+        if let Poll::Ready(Some(outgoing_msg_with_route)) =
             pin!(&mut self.temporal_processor_messages).poll_next(&mut cx)
         {
-            match msg {
-                BlendOutgoingMessage::Outbound(msg) => {
-                    self.log_message_released_from("TemporalProcessor", &Self::parse_payload(&msg));
-                    self.schedule_persistent_transmission(msg);
+            match outgoing_msg_with_route.outgoing_message {
+                BlendOutgoingMessage::Outbound(message) => {
+                    self.log_message_released_from(
+                        "TemporalProcessor",
+                        &Self::parse_payload(&message),
+                    );
+                    self.schedule_persistent_transmission(BlendMessage {
+                        message,
+                        network_route: outgoing_msg_with_route.network_route,
+                    });
                 }
                 BlendOutgoingMessage::FullyUnwrapped(payload) => {
                     let payload = Payload::load(payload);
                     self.log_message_released_from("TemporalProcessor", &payload);
-                    self.log_message_fully_unwrapped(&payload);
+                    self.log_message_fully_unwrapped(
+                        &payload,
+                        outgoing_msg_with_route.network_route,
+                    );
                     self.state.num_messages_fully_unwrapped += 1;
                     //TODO: create a tracing event
                 }
@@ -397,19 +461,19 @@ impl Node for BlendNode {
                 .crypto_processor
                 .wrap_message(payload.as_bytes())
                 .unwrap();
-            self.schedule_persistent_transmission(message);
+            self.schedule_persistent_transmission(BlendMessage::new(message, self.id));
         }
 
         // Proceed persistent transmission
         if let Poll::Ready(Some(msg)) =
             pin!(&mut self.persistent_transmission_messages).poll_next(&mut cx)
         {
-            self.log_message_released_from("PersistentTransmission", &Self::parse_payload(&msg));
-            self.forward(
-                BlendMessage(msg),
-                None,
-                Some(self.new_emission_log("FromPersistent")),
+            let msg: BlendMessage = bincode::deserialize(&msg).unwrap();
+            self.log_message_released_from(
+                "PersistentTransmission",
+                &Self::parse_payload(&msg.message),
             );
+            self.forward(msg, None, Some(self.new_emission_log("FromPersistent")));
         }
 
         self.state.step_id += 1;
@@ -433,6 +497,12 @@ struct MessageLog {
     node_id: usize,
 }
 
+#[derive(Debug, Serialize, Deserialize)]
+struct MessageWithRouteLog {
+    message: MessageLog,
+    network_route: Vec<(usize, u128)>,
+}
+
 #[derive(Debug, Serialize, Deserialize)]
 struct EmissionLog {
     emission_type: String,