diff --git a/CMakeLists.txt b/CMakeLists.txt
index 19194fc..7d4662c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,5 +38,5 @@ add_subdirectory("std-udp-sync")
 add_subdirectory("jf-assembler")
 #add_subdirectory("sf-stream")
 #add_subdirectory("sf-writer")
-add_subdirectory("jf-live-writer")
+add_subdirectory("std-det-writer")
 
diff --git a/jf-live-writer/CMakeLists.txt b/jf-live-writer/CMakeLists.txt
deleted file mode 100644
index f338d37..0000000
--- a/jf-live-writer/CMakeLists.txt
+++ /dev/null
@@ -1,38 +0,0 @@
-find_package(MPI REQUIRED)
-# Because of openmpi.
-add_definitions(-DOMPI_SKIP_MPICXX)
-
-file(GLOB SOURCES
-        src/*.cpp)
-
-add_library(jf-live-writer-lib STATIC ${SOURCES})
-target_include_directories(jf-live-writer-lib
-        PUBLIC include/
-        SYSTEM ${MPI_INCLUDE_PATH})
-
-target_link_libraries(jf-live-writer-lib
-        external
-        core-buffer-lib
-        ${MPI_LIBRARIES}
-        )
-
-add_executable(jf-live-writer src/main.cpp)
-
-
-if (USE_EIGER)
-        set (LIB_NAME_UDP_RECV "eiger_live_writer")
-else()
-        set (LIB_NAME_UDP_RECV "jf_live_writer")
-endif()
-
-set_target_properties(jf-live-writer PROPERTIES OUTPUT_NAME ${LIB_NAME_UDP_RECV})
-
-target_link_libraries(jf-live-writer
-        jf-live-writer-lib
-        zmq
-        hdf5
-        rt
-        )
-
-enable_testing()
-add_subdirectory(test/)
\ No newline at end of file
diff --git a/std-det-writer/CMakeLists.txt b/std-det-writer/CMakeLists.txt
new file mode 100644
index 0000000..c01a581
--- /dev/null
+++ b/std-det-writer/CMakeLists.txt
@@ -0,0 +1,31 @@
+find_package(MPI REQUIRED)
+# Because of openmpi.
+add_definitions(-DOMPI_SKIP_MPICXX)
+
+file(GLOB SOURCES
+        src/*.cpp)
+
+add_library(std-det-writer-lib STATIC ${SOURCES})
+target_include_directories(std-det-writer-lib
+        PUBLIC include/
+        SYSTEM ${MPI_INCLUDE_PATH})
+
+target_link_libraries(std-det-writer-lib
+        external
+        core-buffer-lib
+        ${MPI_LIBRARIES}
+        )
+
+add_executable(std-det-writer src/main.cpp)
+
+set_target_properties(std-det-writer PROPERTIES OUTPUT_NAME std_det_writer)
+
+target_link_libraries(std-det-writer
+        std-det-writer-lib
+        zmq
+        hdf5
+        rt
+        )
+
+enable_testing()
+add_subdirectory(test/)
\ No newline at end of file
diff --git a/jf-live-writer/README.md b/std-det-writer/README.md
similarity index 99%
rename from jf-live-writer/README.md
rename to std-det-writer/README.md
index 21dd53e..e7ddf89 100644
--- a/jf-live-writer/README.md
+++ b/std-det-writer/README.md
@@ -1,4 +1,4 @@
-# jf-live-writer
+# std-det-writer
 
 This component is a PHDF5 based MPI writer for high performance detectors 
 that need more than 2GB/s of write speed. It parallelizes the HDF5 writing to 
diff --git a/jf-live-writer/debug.Dockerfile b/std-det-writer/debug.Dockerfile
similarity index 71%
rename from jf-live-writer/debug.Dockerfile
rename to std-det-writer/debug.Dockerfile
index 1a8c53f..eb0f094 100644
--- a/jf-live-writer/debug.Dockerfile
+++ b/std-det-writer/debug.Dockerfile
@@ -4,7 +4,7 @@ COPY . /sf_daq_buffer/
 
 RUN mkdir /sf_daq_buffer/build && \
     cd /sf_daq_buffer/build && \
-    cmake3 -DBUILD_JF_LIVE_WRITER=ON .. && \
-    make jf-live-writer
+    cmake3 .. && \
+    make std-det-writer
 
 WORKDIR /sf_daq_buffer/build
diff --git a/jf-live-writer/include/JFH5Writer.hpp b/std-det-writer/include/JFH5Writer.hpp
similarity index 100%
rename from jf-live-writer/include/JFH5Writer.hpp
rename to std-det-writer/include/JFH5Writer.hpp
diff --git a/std-det-writer/include/StdDetWriterConfig.hpp b/std-det-writer/include/StdDetWriterConfig.hpp
new file mode 100644
index 0000000..847439b
--- /dev/null
+++ b/std-det-writer/include/StdDetWriterConfig.hpp
@@ -0,0 +1,33 @@
+#ifndef SF_DAQ_BUFFER_UDPRECVCONFIG_HPP
+#define SF_DAQ_BUFFER_UDPRECVCONFIG_HPP
+
+
+#include <rapidjson/istreamwrapper.h>
+#include <rapidjson/document.h>
+#include <rapidjson/stringbuffer.h>
+#include <string>
+#include <fstream>
+
+struct UdpRecvConfig {
+    static UdpRecvConfig from_json_file(const std::string& filename) {
+        std::ifstream ifs(filename);
+        rapidjson::IStreamWrapper isw(ifs);
+        rapidjson::Document config_parameters;
+        config_parameters.ParseStream(isw);
+
+        return {
+                config_parameters["detector_name"].GetString(),
+                config_parameters["detector_type"].GetString(),
+                config_parameters["n_modules"].GetInt(),
+                config_parameters["start_udp_port"].GetInt(),
+        };
+    }
+
+    const std::string detector_name;
+    const std::string detector_type;
+    const int n_modules;
+    const int start_udp_port;
+};
+
+
+#endif //SF_DAQ_BUFFER_UDPRECVCONFIG_HPP
diff --git a/jf-live-writer/include/WriterStats.hpp b/std-det-writer/include/WriterStats.hpp
similarity index 100%
rename from jf-live-writer/include/WriterStats.hpp
rename to std-det-writer/include/WriterStats.hpp
diff --git a/jf-live-writer/include/broker_format.hpp b/std-det-writer/include/broker_format.hpp
similarity index 100%
rename from jf-live-writer/include/broker_format.hpp
rename to std-det-writer/include/broker_format.hpp
diff --git a/jf-live-writer/include/live_writer_config.hpp b/std-det-writer/include/live_writer_config.hpp
similarity index 100%
rename from jf-live-writer/include/live_writer_config.hpp
rename to std-det-writer/include/live_writer_config.hpp
diff --git a/jf-live-writer/src/JFH5Writer.cpp b/std-det-writer/src/JFH5Writer.cpp
similarity index 100%
rename from jf-live-writer/src/JFH5Writer.cpp
rename to std-det-writer/src/JFH5Writer.cpp
diff --git a/jf-live-writer/src/WriterStats.cpp b/std-det-writer/src/WriterStats.cpp
similarity index 100%
rename from jf-live-writer/src/WriterStats.cpp
rename to std-det-writer/src/WriterStats.cpp
diff --git a/jf-live-writer/src/main.cpp b/std-det-writer/src/main.cpp
similarity index 87%
rename from jf-live-writer/src/main.cpp
rename to std-det-writer/src/main.cpp
index e2940e7..4af58a7 100644
--- a/jf-live-writer/src/main.cpp
+++ b/std-det-writer/src/main.cpp
@@ -40,7 +40,9 @@ int main (int argc, char *argv[])
     auto receiver = BufferUtils::connect_socket(
             ctx, config.detector_name, "writer-agent");
 
-    RamBuffer ram_buffer(config.detector_name, config.n_modules);
+    const size_t IMAGE_N_BYTES = 12;
+    RamBuffer image_buffer(config.detector_name + "_assembler",
+            sizeof(ImageMetadata), IMAGE_N_BYTES, 1, RAM_BUFFER_N_SLOTS);
 
     JFH5Writer writer(config);
     WriterStats stats(config.detector_name);
@@ -60,9 +62,17 @@ int main (int argc, char *argv[])
             stats.start_run(meta);
         }
 
+        // i_image == n_images -> end of run.
+        if (meta.i_image == meta.n_images) {
+            writer.close_run();
+
+            stats.end_run();
+            continue;
+        }
+
         // Fair distribution of images among writers.
         if (meta.i_image % n_writers == i_writer) {
-            char* data = ram_buffer.get_slot_data(meta.image_metadata.pulse_id);
+            char* data = ram_buffer.get_slot_data(meta.image_metadata.id);
 
             stats.start_image_write();
             writer.write_data(meta.run_id, meta.i_image, data);
@@ -74,11 +84,5 @@ int main (int argc, char *argv[])
             writer.write_meta(meta.run_id, meta.i_image, meta.image_metadata);
         }
 
-        // i_image + 1 == meta.n_images -> we received the last image.
-        if (meta.i_image+1 == meta.n_images) {
-            writer.close_run();
-
-            stats.end_run();
-        }
     }
 }
diff --git a/jf-live-writer/test/CMakeLists.txt b/std-det-writer/test/CMakeLists.txt
similarity index 100%
rename from jf-live-writer/test/CMakeLists.txt
rename to std-det-writer/test/CMakeLists.txt
diff --git a/jf-live-writer/test/main.cpp b/std-det-writer/test/main.cpp
similarity index 100%
rename from jf-live-writer/test/main.cpp
rename to std-det-writer/test/main.cpp