diff --git a/libraries/utils.robot b/libraries/utils.robot
index fed2694..779d987 100644
--- a/libraries/utils.robot
+++ b/libraries/utils.robot
@@ -320,3 +320,20 @@
         ...    ${dst['dp_iface_name']}.${src['s_tag']}    ${dst['ip']}    ${dst['user']}    ${dst['pass']}
         ...    ${dst['container_type']}    ${dst['container_name']}
     END
+
+Should Be Larger Than
+    [Documentation]    Verify that value_1 is > value_2
+    [Arguments]    ${value_1}    ${value_2}
+    Run Keyword If    ${value_1} <= ${value_2}
+    ...    Fail    The value ${value_1} is not larger than ${value_2}
+
+Should Be Float
+    [Documentation]    Verify that value is a floating point number type
+    [Arguments]    ${value}
+    ${type}    Evaluate    type(${value}).__name__
+    Should Be Equal    ${type}    float
+
+Get Current Time
+    [Documentation]    Return the current time in RFC3339 format
+    ${output}=    Run    date -u +"%FT%T%:z"
+    [return]     ${output}