#NEWLINE# def create_keyspace_network_topology( name , dc_replication_map , durable_writes = True ) : #NEWLINE# #INDENT# '\n    Creates a keyspace with NetworkTopologyStrategy for replica placement\n\n    If the keyspace already exists, it will not be modified.\n\n    **This function should be used with caution, especially in production environments.\n    Take care to execute schema modifications in a single context (i.e. not concurrently with other clients).**\n\n    *There are plans to guard schema-modifying functions with an environment-driven conditional.*\n\n    :param str name: name of keyspace to create\n    :param dict dc_replication_map: map of dc_names: replication_factor\n    :param bool durable_writes: Write log is bypassed if set to False\n    ' #NEWLINE# _create_keyspace ( name , dc_replication_map , 'NetworkTopologyStrategy' , dc_replication_map )