Appeal No. 2004-0587
Application 09/054,304
Figure 1 is a block diagram describing the structure of a
TCP packet 100 in a transport layer. The term “packet”, refers
to a unit of messages, including data and control signals, that
is communicated in a network layer. As shown in figure 1, the
TCP header 102 comprises a source port field 104 followed by a
destination port field 108. See page 4 of Appellants’
specification. Figure 4 is a functional diagram of a client-
server network applying the invention. As shown in figure 4, one
or more clients 410 communicate with a broker 420. See page 8 of
Appellants’ specification. Depending on the availability of
resources of the broker 420, the broker 420 determines whether to
execute incoming client requests or to hand-off client command
requests to a third party server 430. See page 9 of Appellants’
specification. Figure 5 is a flowchart describing the control
flow executed by broker 420. See page 10 of Appellants’
specification. At block 508, the broker 420 determines whether
to execute incoming client requests or to hand-off client
requests to a third party server, server 430. If the broker
decides to forward the request to server 430, the application
software executes a hand-off system call to instruct the
2
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next
Last modified: November 3, 2007