<record>
  <controlfield tag="001">4</controlfield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Middleware</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Policy</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Authorization</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Security</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">Architecture.</subfield>
  </datafield>
</record>