| http://www.w3.org/ns/prov#value | - The invention also provides a persistent proxy client (i.e., the proxy client component of the server proxy client) at the server proxy client 101 that maintains state for the client 102, 103, 104, which improves availability, for example, by allowing a user to switch from one transport, such as Ethernet, to another transport, such as Ricochet, without losing state or having to reauthenticate the
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