Electrical computers and digital processing systems: virtual mac – Virtual machine task or process management
Reexamination Certificate
2002-04-22
2008-08-12
Lee, Thomas (Department: 2194)
Electrical computers and digital processing systems: virtual mac
Virtual machine task or process management
C717S174000, C717S175000, C717S176000, C709S223000, C709S224000
Reexamination Certificate
active
07412701
ABSTRACT:
An approach for improving a network management system by using a virtual machine in a network device is described. Applets are created and downloaded to the network device via flash memory or trivial file transfer protocol (“TFTP”). A loader environment in the virtual machine loads the applet for execution. The virtual machine converts the applet into machine code and executes said applet in said network device. This approach is supported by porting a virtual machine that executes a high level operating language to an operating system in a network device is described. A build process is executed wherein makefiles of the operating system and virtual machine are modified. Modifying the operating system code comprises providing an entry point to the virtual machine by starting an operating system process using a command line interface (“CLI”), the CLI accepting the class file as a parameter to start the application, and terminating the operating system process for the virtual machine upon exit from the application. Further, modifying virtual machine code comprises transforming the virtual machine code to pertain to the operating system platform. Finally, a set of interfaces for users is provided. As a result, Java® applets, for example, may be executed in a router.
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Cisco Technology Inc.
Hickman Palermo & Truong & Becker LLP
Lee Thomas
Wu Qing-Yuan
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