diff --git a/client/lib/engine/bin/ProtocolLib.py b/client/lib/engine/bin/ProtocolLib.py
index 352c7b1..2179956 100644
--- a/client/lib/engine/bin/ProtocolLib.py
+++ b/client/lib/engine/bin/ProtocolLib.py
@@ -183,6 +183,61 @@ def ogUcastReceiverPartition (disk, par, sess, tool, level):
 #*/ ##
 #
 
+## TODO esta función es idéntica a ogMcastSendFile pero con s/Ucast/Mcast/;
+
+#ogUcastSendFile ([str_REPOSITORY] [int_ndisk int_npart] /Relative_path_file sesionMcast(puerto:ip:ip:ip)" \
+#ogUcastSendFile (disk=1, par=1,     file='/aula1/winxp.img',                      sess='8000:172.17.36.11:172.17.36.12')
+#ogUcastSendFile (take_from='REPO',  file='/aula1/ubuntu.iso',                     sess='sesionUcast')
+#ogUcastSendFile (take_from='CACHE', file='/aula1/winxp.img',                      sess='sesionUcast')
+#ogUcastSendFile (                   file='/opt/opengnsys/images/aula1/hd500.vmx', sess='sesionUcast')
+def ogUcastSendFile (disk=None, par=None, take_from=None, file=None, sess=None):
+    if file is None:
+        raise TypeError ('missing required argument: "file"')
+    if sess is None:
+        raise TypeError ('missing required argument: "sess"')
+
+    if take_from is not None:
+        if disk is None and par is None:
+            ## we were given take_from=
+            source = FileLib.ogGetPath (src=take_from, file=file)
+            dev_err = f'{take_from} {file}'
+            print (f'ogGetPath (src=({take_from}), file=({file})) = source ({source})')
+        else:
+            raise TypeError ('argument "take_from" can be specified along neither "disk" nor "par"')
+
+    else:
+        if disk is not None and par is not None:
+            ## we were given disk= par=
+            source = FileLib.ogGetPath (src=f'{disk} {par}', file=file)
+            dev_err = f'{disk} {par} {file}'
+            print (f'ogGetPath (src=({disk} {par}), file=({file})) = source ({source})')
+        elif disk is None and par is None:
+            ## we were given nothing
+            source = FileLib.ogGetPath (file=file)
+            dev_err = file
+            print (f'ogGetPath (file=({file})) = source ({source})')
+        else:
+            raise TypeError ('if one of "disk" and "par" are specified, then both must be')
+
+    if not source:
+        SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_NOTFOUND, f'device or file {dev_err} not found')
+        return
+
+    path2 = FileLib.ogGetPath (file=source)
+    print (f'path2 ({path2})')
+    if not path2:
+        SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_NOTFOUND, f'device or file {dev_err} not found')
+        return
+
+    cmd = ogUcastSyntax ('SENDFILE', sess, file=source)
+    if not cmd: return None
+    print (f'cmd ({cmd})')
+    try:
+        subprocess.run (cmd, shell=True, check=True)
+    except subprocess.CalledProcessError:
+        SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_UCASTSENDFILE, ' ')
+        return None
+
 def _clientip():
     ipas = subprocess.run (['ip', '-json', 'address', 'show', 'up'], capture_output=True, text=True).stdout
     ipasj = json.loads (ipas)