Appeal 2007-1340
Application 09/996,125
8. With reference to Figure 4, Acharya further teaches that the server
transmits the embedded files to the proxy (step 50) and the proxy
transmits the files to the client (step 55). (Col. 8, l. 66 to col. 9, l. 1.)
The version of each file sent from the proxy to the client can be set by
a software default setting or a user-specified default setting. (Col. 9,
ll. 1-5.) "Along with the transmission of the skeleton of the requested
Web page, the proxy transmits a computer program . . . capable of
generating, upon a client's request for a target file, a menu of versions
of the target file which are available." (Col. 9, ll. 8-14.)
9. Referring again to Figure 4, Acharya teaches that the user requests a
target file by selecting a hyperlink in the displayed Web page (step
60), a menu is then generated and the user selects a version of the
target file from the menu (step 70). (Col. 9, ll. 21-40.) The user
selected version of the target file is transmitted to the proxy (step 75),
and "the proxy checks the cache to determine if the selected version is
resident in the cache" (step 80). (Col. 9, ll. 45-53.) If the selected
version is in the cache, the proxy determines if it is a current version
(step 85). (Col. 9, ll. 54-56.) If the cached version of the file is
current, the proxy transmits it to the client (step 90). (Col. 9,
ll. 57-59.) Otherwise, the proxy requests a current version of the file
from the server (step 115). (Col. 9, ll. 59-62.)
10. Acharya "is particularly useful in the World Wide Web environment
where high degrees of latency are common and Web client resources
10
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