diff --git a/src/bin/partition_network.rs b/src/bin/partition_network.rs
index 397d817..62f6422 100644
--- a/src/bin/partition_network.rs
+++ b/src/bin/partition_network.rs
@@ -4,15 +4,21 @@ use clap::{arg, Parser};
 use tracing::info;
 
 use rust_q_sim::simulation::config::{MetisOptions, PartitionMethod};
+use rust_q_sim::simulation::id;
 use rust_q_sim::simulation::network::global_network::Network;
 
 fn main() {
     rust_q_sim::simulation::logging::init_std_out_logging();
     let args = InputArgs::parse();
 
-    let input_path = PathBuf::from(&args.in_path);
-    let folder = input_path.parent().unwrap();
-    let mut name_parts: Vec<&str> = input_path
+    if let Some(id_path) = args.id_path {
+        id::load_from_file(&id_path);
+    }
+
+    //let input_path = PathBuf::from(&args.in_path);
+    let folder = args.net_path.parent().unwrap();
+    let mut name_parts: Vec<&str> = args
+        .net_path
         .file_name()
         .unwrap()
         .to_str()
@@ -20,20 +26,21 @@ fn main() {
         .split('.')
         .collect();
     let num_parts_string = args.num_parts.to_string();
-    name_parts.insert(name_parts.len() - 2, num_parts_string.as_str());
+    name_parts.insert(name_parts.len() - 1, num_parts_string.as_str());
     let out_path = folder.join(name_parts.join("."));
-    info!("Writing to {:?}", out_path);
-    name_parts.insert(name_parts.len() - 3, "internal-ids");
-    let out_path_internal = folder.join(name_parts.join("."));
-    info!("Writing to {:?}", out_path_internal);
+    //info!("Writing to {:?}", out_path);
+    //name_parts.insert(name_parts.len() - 3, "internal-ids");
+    // let out_path_internal = folder.join(name_parts.join("."));
+    //info!("Writing to {:?}", out_path_internal);
 
     info!(
         "Partition network: {} into {} parts",
-        args.in_path, args.num_parts
+        args.net_path.to_str().unwrap(),
+        args.num_parts
     );
 
-    let net1 = Network::from_file(
-        &args.in_path,
+    let net1 = Network::from_file_path(
+        &args.net_path,
         args.num_parts,
         PartitionMethod::Metis(MetisOptions::default()),
     );
@@ -44,70 +51,16 @@ fn main() {
     );
 
     net1.to_file(&out_path);
-    //to_file_internal_ids(&net1, &out_path_internal);
 
     info!("Finished partitioning Network.")
 }
-/*
-fn to_file_internal_ids(network: &Network, file_path: &Path) {
-    let mut result = IONetwork::new(None);
-
-    for node in &network.nodes {
-        let attributes = Attrs {
-            attributes: vec![Attr {
-                name: String::from("partition"),
-                value: node.partition.to_string(),
-                class: String::from("java.lang.Integer"),
-            }],
-        };
-        let io_node = IONode {
-            id: node.id.internal().to_string(),
-            x: node.x,
-            y: node.y,
-            attributes: Some(attributes),
-        };
-        result.nodes_mut().push(io_node);
-    }
-
-    for link in &network.links {
-        let modes = link
-            .modes
-            .iter()
-            .map(|m| m.external().to_string())
-            .reduce(|modes, mode| format!("{modes},{mode}"))
-            .unwrap();
-        let attributes = Attrs {
-            attributes: vec![Attr {
-                name: String::from("partition"),
-                value: link.partition.to_string(),
-                class: String::from("java.lang.Integer"),
-            }],
-        };
 
-        let io_link = IOLink {
-            id: link.id.internal().to_string(),
-            from: link.from.internal().to_string(),
-            to: link.to.external().to_string(),
-            length: link.length,
-            capacity: link.capacity,
-            freespeed: link.freespeed,
-            permlanes: link.permlanes,
-            modes,
-            attributes: Some(attributes),
-        };
-        result.links.effective_cell_size = Some(network.effective_cell_size);
-        result.links_mut().push(io_link);
-    }
-
-    result.to_file(file_path);
-
-
-}
-*/
 #[derive(Parser, Debug)]
 struct InputArgs {
     #[arg(short, long)]
-    pub in_path: String,
+    pub net_path: PathBuf,
+    #[arg(short, long)]
+    pub id_path: Option<PathBuf>,
     #[arg(long)]
     pub num_parts: u32,
 }
diff --git a/src/simulation/controller.rs b/src/simulation/controller.rs
index f9a67fc..6cefa2c 100644
--- a/src/simulation/controller.rs
+++ b/src/simulation/controller.rs
@@ -112,7 +112,10 @@ fn execute_partition<C: SimCommunicator + 'static>(comm: C, args: &CommandLineAr
             config.partitioning().num_parts,
         )
     } else {
-        io::resolve_path(config_path, &config.proto_files().network)
+        insert_number_in_proto_filename(
+            &io::resolve_path(config_path, &config.proto_files().network),
+            config.partitioning().num_parts,
+        )
     };
     let network = Network::from_file_as_is(&network_path);
     let mut garage = Garage::from_file(&io::resolve_path(