transport layer
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... DNS based Request-Routing techniques. Section 3 discusses
transport-layer Request-Routing methods. In section 4 application
layer ...
... Transport-Layer Request-Routing ...
...
At the transport-layer finer levels of granularity can be achieved by
the close inspection of client's requests. In this approach, the
...
... methods could
be used as a first step in deciding on an appropriate surrogate with
more accurate refinement made by the transport-layer Request-Routing
system.
...
... Routing systems perform deeper examination
of client's packets beyond the transport layer header. Deeper
examination of client ...