diff --git a/build/ruby/.gitignore b/build/ruby/.gitignore
index 5decf0a..0ae12ff 100644
--- a/build/ruby/.gitignore
+++ b/build/ruby/.gitignore
@@ -11,6 +11,6 @@
 .rspec_status
 
 # generated ruby files
-lib/tucana/actions/*.rb
-lib/tucana/internal/*.rb
+lib/tucana/aquila/*.rb
+lib/tucana/sagittarius/*.rb
 lib/tucana/shared/*.rb
diff --git a/build/ruby/Rakefile b/build/ruby/Rakefile
index 459c594..546f73e 100644
--- a/build/ruby/Rakefile
+++ b/build/ruby/Rakefile
@@ -9,13 +9,10 @@ RSpec::Core::RakeTask.new(:spec)
 
 PROJECT_ROOT = File.expand_path("../..", __dir__)
 RUBY_ROOT = "#{PROJECT_ROOT}/build/ruby".freeze
+RUBY_LIB_ROOT = "#{RUBY_ROOT}/lib/tucana".freeze
 PROTO_ROOT = "#{PROJECT_ROOT}/proto".freeze
-INPUT_ACTIONS_DIR = "#{PROTO_ROOT}/actions".freeze
-INPUT_INTERNAL_DIR = "#{PROTO_ROOT}/internal".freeze
 INPUT_SHARED_DIR = "#{PROTO_ROOT}/shared".freeze
-OUTPUT_ACTIONS_DIR = "#{RUBY_ROOT}/lib/tucana/actions".freeze
-OUTPUT_INTERNAL_DIR = "#{RUBY_ROOT}/lib/tucana/internal".freeze
-OUTPUT_SHARED_DIR = "#{RUBY_ROOT}/lib/tucana/shared".freeze
+OUTPUT_SHARED_DIR = "#{RUBY_LIB_ROOT}/shared".freeze
 
 def system!(*args)
   system(*args, exception: true)
@@ -54,18 +51,17 @@ namespace :generate_ruby do
     compile_protos!(INPUT_SHARED_DIR, OUTPUT_SHARED_DIR)
   end
 
-  desc "Generate ruby files for the internal protocol"
-  task internal: "generate_ruby:shared" do
-    compile_protos!(INPUT_INTERNAL_DIR, OUTPUT_INTERNAL_DIR)
-  end
+  require_relative 'lib/tucana'
 
-  desc "Generate ruby files for the actions protocol"
-  task actions: "generate_ruby:shared" do
-    compile_protos!(INPUT_ACTIONS_DIR, OUTPUT_ACTIONS_DIR)
+  Tucana::AVAILABLE_PROTOCOLS.each do |protocol|
+    desc "Generate ruby files for the #{protocol} protocol"
+    task protocol => :shared do
+      compile_protos!("#{PROTO_ROOT}/#{protocol}", "#{RUBY_LIB_ROOT}/#{protocol}")
+    end
   end
 
   desc "Generate ruby files for all protocols"
-  task all: %w[generate_ruby:internal generate_ruby:actions]
+  task all: Tucana::AVAILABLE_PROTOCOLS
 end
 
 namespace :release do
diff --git a/build/ruby/lib/tucana.rb b/build/ruby/lib/tucana.rb
index 47998d7..db49a6f 100644
--- a/build/ruby/lib/tucana.rb
+++ b/build/ruby/lib/tucana.rb
@@ -5,6 +5,8 @@
 module Tucana
   class Error < StandardError; end
 
+  AVAILABLE_PROTOCOLS = %i[aquila sagittarius]
+
   def self.load_protocol(protocol)
     this_dir = File.expand_path(File.dirname(__FILE__))
     protocol_dir = File.join(this_dir, "tucana/#{protocol}")
diff --git a/build/ruby/spec/tucana_spec.rb b/build/ruby/spec/tucana_spec.rb
index 7b8941b..af171fe 100644
--- a/build/ruby/spec/tucana_spec.rb
+++ b/build/ruby/spec/tucana_spec.rb
@@ -5,11 +5,9 @@
     expect(Tucana::VERSION).not_to be_nil
   end
 
-  it "can load internal protocol" do
-    expect { Tucana.load_protocol(:internal) }.not_to raise_error
-  end
-
-  it "can load actions protocol" do
-    expect { Tucana.load_protocol(:actions) }.not_to raise_error
+  Tucana::AVAILABLE_PROTOCOLS.each do |protocol|
+    it "can load #{protocol} protocol" do
+      expect { Tucana.load_protocol(protocol) }.not_to raise_error
+    end
   end
 end
diff --git a/build/rust/build.rs b/build/rust/build.rs
index c0eac72..d2ca984 100644
--- a/build/rust/build.rs
+++ b/build/rust/build.rs
@@ -15,8 +15,8 @@ fn main() -> Result<()> {
 
     let inclusions = &[
         "../../proto/shared",
-        "../../proto/internal",
-        "../../proto/actions",
+        "../../proto/sagittarius",
+        "../../proto/aquila",
     ];
 
     let out_path = "src/generated";
diff --git a/build/rust/src/lib.rs b/build/rust/src/lib.rs
index 1a02dce..11bb7d5 100644
--- a/build/rust/src/lib.rs
+++ b/build/rust/src/lib.rs
@@ -1,9 +1,9 @@
-pub mod internal {
-    include!("generated/internal.rs");
+pub mod sagittarius {
+    include!("generated/sagittarius.rs");
 }
 
-pub mod actions {
-    include!("generated/actions.rs");
+pub mod aquila {
+    include!("generated/aquila.rs");
 }
 
 pub mod shared {
diff --git a/proto/actions/transfer.proto b/proto/aquila/transfer.proto
similarity index 87%
rename from proto/actions/transfer.proto
rename to proto/aquila/transfer.proto
index 5021338..0c8a899 100644
--- a/proto/actions/transfer.proto
+++ b/proto/aquila/transfer.proto
@@ -2,9 +2,9 @@ syntax = "proto3";
 
 import "definitions.proto";
 
-option ruby_package = "Tucana::Actions";
+option ruby_package = "Tucana::Aquila";
 
-package actions;
+package aquila;
 
 message InformationRequest {
   string identifier = 1;
diff --git a/proto/internal/flow_definition.proto b/proto/internal/flow_definition.proto
deleted file mode 100644
index a1af7fe..0000000
--- a/proto/internal/flow_definition.proto
+++ /dev/null
@@ -1,8 +0,0 @@
-syntax = "proto3";
-
-option ruby_package = "Tucana::Internal";
-
-package internal;
-
-message FlowDefinition {
-}
\ No newline at end of file
diff --git a/proto/internal/action.proto b/proto/sagittarius/action.proto
similarity index 88%
rename from proto/internal/action.proto
rename to proto/sagittarius/action.proto
index 989b6a4..81b801a 100644
--- a/proto/internal/action.proto
+++ b/proto/sagittarius/action.proto
@@ -1,9 +1,9 @@
 syntax = "proto3";
 import "definitions.proto";
 
-option ruby_package = "Tucana::Internal";
+option ruby_package = "Tucana::Sagittarius";
 
-package internal;
+package sagittarius;
 
 message ActionLogonRequest {
   string identifier = 1;
diff --git a/proto/internal/flow.proto b/proto/sagittarius/flow.proto
similarity index 93%
rename from proto/internal/flow.proto
rename to proto/sagittarius/flow.proto
index 708d906..fe8ed9c 100644
--- a/proto/internal/flow.proto
+++ b/proto/sagittarius/flow.proto
@@ -1,8 +1,8 @@
 syntax = "proto3";
 
-option ruby_package = "Tucana::Internal";
+option ruby_package = "Tucana::Sagittarius";
 
-package internal;
+package sagittarius;
 
 import "node.proto";
 import "flow_definition.proto";
diff --git a/proto/sagittarius/flow_definition.proto b/proto/sagittarius/flow_definition.proto
new file mode 100644
index 0000000..f393ba2
--- /dev/null
+++ b/proto/sagittarius/flow_definition.proto
@@ -0,0 +1,8 @@
+syntax = "proto3";
+
+option ruby_package = "Tucana::Sagittarius";
+
+package sagittarius;
+
+message FlowDefinition {
+}
\ No newline at end of file
diff --git a/proto/internal/node.proto b/proto/sagittarius/node.proto
similarity index 82%
rename from proto/internal/node.proto
rename to proto/sagittarius/node.proto
index 13d8af9..a3024f9 100644
--- a/proto/internal/node.proto
+++ b/proto/sagittarius/node.proto
@@ -1,8 +1,8 @@
 syntax = "proto3";
 
-option ruby_package = "Tucana::Internal";
+option ruby_package = "Tucana::Sagittarius";
 
-package internal;
+package sagittarius;
 
 import "definitions.proto";
 
diff --git a/proto/internal/ping.proto b/proto/sagittarius/ping.proto
similarity index 68%
rename from proto/internal/ping.proto
rename to proto/sagittarius/ping.proto
index c8559ad..88b82a3 100644
--- a/proto/internal/ping.proto
+++ b/proto/sagittarius/ping.proto
@@ -1,8 +1,8 @@
 syntax = "proto3";
 
-option ruby_package = "Tucana::Internal";
+option ruby_package = "Tucana::Sagittarius";
 
-package internal;
+package sagittarius;
 
 message PingMessage {
   int64 ping_id = 1;