diff --git a/client/lib/engine/bin/FileLib.py b/client/lib/engine/bin/FileLib.py
index dc649d1..e9de16f 100755
--- a/client/lib/engine/bin/FileLib.py
+++ b/client/lib/engine/bin/FileLib.py
@@ -233,9 +233,9 @@ def ogGetPath (src=None, file=None):
 #*/ ##
 
 #ogGetParentPath ([ str_repo | int_ndisk int_npartition ] path_filepath
-#ogGetParentPath ('/mnt/sda1/windows/system32')  ==> '/mnt/sda1/WINDOWS'
-#ogGetParentPath ('REPO', '/etc/fstab')          ==> '/opt/opengnsys/images/etc'
-#ogGetParentPath ('1 1', '/windows/system32')    ==> '/mnt/sda1/WINDOWS'
+#ogGetParentPath (            file='/mnt/sda1/windows/system32')  ==> '/mnt/sda1/WINDOWS'
+#ogGetParentPath (src='REPO', file='/etc/fstab')                  ==> '/opt/opengnsys/images/etc'
+#ogGetParentPath (src='1 1',  file='/windows/system32')           ==> '/mnt/sda1/WINDOWS'
 def ogGetParentPath (src=None, file=None):
     if file is None:
         SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_FORMAT, '')
diff --git a/client/lib/engine/bin/ProtocolLib.py b/client/lib/engine/bin/ProtocolLib.py
index 4fa50b5..b070ac8 100644
--- a/client/lib/engine/bin/ProtocolLib.py
+++ b/client/lib/engine/bin/ProtocolLib.py
@@ -658,6 +658,119 @@ def ogMcastRequest (img, proto):
 #@return
 #@note    protocoloTORRENT=mode:time   mode=seeder  -> Dejar el equipo seedeando hasta que transcurra el tiempo indicado o un kill desde consola, mode=peer    -> seedear mientras descarga mode=leecher  -> NO seedear mientras descarga time tiempo que una vez descargada la imagen queremos dejar al cliente como seeder.
 #*/ ##
+#ogTorrentStart (                   torrentfile='/opt/opengnsys/cache/linux.iso', torrentsess='peer:60')
+#ogTorrentStart (container='CACHE', torrentfile='/PS1_PH1.img.torrent',           torrentsess='seeder:10000')
+#ogTorrentStart (disk=1, par=1,     torrentfile='/linux.iso.torrent',             torrentsess='leecher:60')
+def ogTorrentStart (disk=None, par=None, container=None, torrentfile=None, torrentsess=None):
+    if torrentfile is None:
+        raise TypeError ('missing required argument: "torrentfile"')
+    if torrentsess is None:
+        raise TypeError ('missing required argument: "torrentsess"')
+
+    if container is not None:
+        if disk is None and par is None:
+            ## we were given container=
+            if 'CACHE' != container.upper():
+                SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_FORMAT, 'La descarga torrent solo se hace desde local, copia el torrent a la cache y realiza la operación desde esa ubicación')
+                return None
+            source = FileLib.ogGetPath (src=container, file=torrentfile)
+            dev_err = f'{container} {torrentfile}'
+            print (f'ogGetPath (src=({container}), file=({torrentfile})) = source ({source})')
+        else:
+            raise TypeError ('argument "container" 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=torrentfile)
+            dev_err = f'{disk} {par} {torrentfile}'
+            print (f'ogGetPath (src=({disk} {par}), file=({torrentfile})) = source ({source})')
+        elif disk is None and par is None:
+            ## we were given nothing
+            if torrentfile.startswith ('/opt/opengnsys/images'):
+                SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_FORMAT, 'La descarga torrent solo se hace desde local, copia el torrent a la cache y realiza la operación desde esa ubicación')
+                return None
+            source = FileLib.ogGetPath (file=torrentfile)
+            dev_err = torrentfile
+            print (f'ogGetPath (file=({torrentfile})) = 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 torrentfile {dev_err} not found')
+        return
+
+    if subprocess.run (['ctorrent', '-x', source]).returncode:
+        SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_NOTFOUND, '')
+        return None
+
+    target = re.sub (r'\.torrent$', '', source)
+    dirsource = FileLib.ogGetParentPath (file=source)
+
+    ERROR = None
+    sess = torrentsess.split (':')
+    if 2 != len (sess):
+        SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_FORMAT, 'parametros session Torrent no completa:  modo:tiempo')
+        return None
+
+    mode = sess[0].lower()
+    if mode not in ['seeder', 'peer', 'leecher']:
+        SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_FORMAT, f'valor modo Torrent no valido {sess[0]}')
+        return None
+
+    time = sess[1]
+    if not re.search (r'^[0-9]{1,10}$', time):
+        SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_FORMAT, f'valor tiempo no valido {sess[1]}')
+        return None
+    time = int (time)
+
+    OPTION = None
+    cwd = os.getcwd()
+    # si No fichero .bf, y Si fichero destino    imagen ya descargada y su chequeo fue comprobado en su descarga inicial.
+    if not os.path.exists (f'{source}.bf') and os.path.exists (target):
+        print ('imagen ya descargada')
+        if 'seeder' != mode: return 'success'    ## return any true value
+
+        print ('MODE seeder ctorrent')
+        os.chdir (dirsource)
+        subprocess.run (['timeout', '--signal', 'INT', time, 'ctorrent', '-f', source])
+        os.chdir (cwd)
+        return 'success'
+
+    #Si no existe bf ni fichero destino         descarga inicial.
+    if not os.path.exists (f'{source}.bf') and not os.path.exists (target):
+        print ('descarga inicial')
+        OPTION = 'DOWNLOAD'
+
+    # Si fichero bf           descarga anterior no completada -.
+    if os.path.exists (f'{source}.bf') and os.path.exists (target):
+        print ('Continuar con Descargar inicial no terminada.')
+        OPTION = 'DOWNLOAD'
+
+    if 'DOWNLOAD' != OPTION: return 'success'
+
+    os.chdir (dirsource)
+    if 'peer' == mode:
+        print ('Donwloading Torrent as peer')
+        # Creamos el fichero de resumen por defecto
+        with open (f'{source}.bf', 'w') as fd: pass
+        # ctorrent controla otro fichero -b ${SOURCE}.bfog
+        subprocess.run (['ctorrent', '-f', '-c', '-X', f'sleep {time}; kill -2 $(pidof ctorrent)', '-C', '100', source, '-s', target, '-b', f'{source}.bfog'])
+    elif 'leecher' == mode:
+        print ('Donwloading Torrent as leecher')
+        subprocess.run (['ctorrent', '${SOURCE}', '-X', 'sleep 30; kill -2 $(pidof ctorrent)', '-C', '100', '-U', '0'])
+    elif 'seeder' == mode:
+        print ('MODE seeder ctorrent')
+        # Creamos el fichero de resumen por defecto
+        with open (f'{source}.bf', 'w') as fd: pass
+        # ctorrent controla otro fichero -b ${SOURCE}.bfog
+        subprocess.run (['ctorrent', '-f', '-c', '-X', f'sleep {time}; kill -2 $(pidof ctorrent)', '-C', '100', source, '-s', target, '-b', f'{source}.bfog'])
+    else:
+        print ('this should not happen')
+        return None
+
+    os.chdir (cwd)
+
 
 #/**
 #         ogCreateTorrent  [ str_repo | int_ndisk int_npart ] Relative_path_file