Appeal No. 2001-1362
Application No. 08/670,684
call from client objects to servant objects is routed using a local method table and bypasses the
transport layer when the client and the server do share the same process.
Claim 1 is illustrative of the claimed invention, and it reads as follows:
1. In a distributed client /server based computing system having a dispatch mechanism for
dispatching a call from client objects to servant objects that includes a transport layer, and a method
table dispatch layer on the client side that is above the transport layer, the method table dispatch
layer including a plurality of local method tables and a plurality of remote method tables, wherein a
first set of selected client representations are associated with a local method table selected from the
plurality of local method tables and a second set of selected client representations are associated
with a remote method table selected from the plurality of method tables, the local method table
including local dispatch information and the remote method table including remote dispatch
information, a method of routing a call from a client to a servant, the method comprising:
routing the call using the remote table and the transport layer when the client and servant do
not share the same process; and
routing the call using the local method table and bypassing the transport layer when the
client and servant do share the same process.
The references relied on by the examiner are:
Danforth 5,493,680 Feb. 20, 1996
Kapoor et al. (Kapoor) 5,682,534 Oct. 28, 1997
Hamilton et al. (Hamilton), “Subcontract: A flexible base for distributed programming,”
Proceedings of the 14th Symposium on Operating Systems Principles, Asheville, N.C., December
1993.
Claims 1 through 7, 23 through 29 and 42 through 44 stand rejected under 35 U.S.C.
§ 103(a) as being unpatentable over Kapoor in view of Hamilton and Danforth.
Reference is made to the briefs (paper numbers 19 and 21) and the answer (paper number
20) for the respective positions of the appellants and the examiner.
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