Page Comparison

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<saml:Attribute FriendlyName="telephoneNumber" Name="urn:oid:2.5.4.20" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri">
    <saml:AttributeValue xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xs:string">
        555-5555
    </saml:AttributeValue>
</saml:Attribute>

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To create a URL name for an attribute, design a URL to be used as the identifier. If this attribute will be shared by a community, consider a URL that is common to that community, such as https://supervillain.edu/attributes/evilPersonUniqueID for a campus-wide identifier.

URL attribute names should may resolve into documentation, providing helpful information for unwitting relying partiesdeployers, but that's strictly optional. URI/URL naming is a widespread mechanism in XML and related standards and it is irrelevant to software whether a URL used as a name actually represents a real resource.

MACE URNs

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