Method and apparatus for transmitting images and other objects over a computer network system

• US 6,108,655 A
• Filed: 07/18/1997
• Issued: 08/22/2000
• Est. Priority Date: 07/19/1996
• Status: Expired due to Term

• Current Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Original Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Inventors: Hickman, Paul L., Schleimer, Stephen I., Ahlstrom, John K.
• Primary Examiner(s): Fetting, Anton W.
• Assistant Examiner(s): Corrielus, Jean M.
• Application Number:
  US08/896,408
• Time in Patent Office: 1,131 Days
• Field of Search: 707/103, 707/10, 395/200.31, 395/500.02, 712/203, 712/213, 709/231, 709/303
• US Class Current: 1/1
• CPC Class Codes: G06F 16/9574 of access to content, e.g. by caching
• CPC Class Codes: Y10S 707/99933 Query processing, i.e. searching
• CPC Class Codes: Y10S 707/99945 Object-oriented database structure processing
• CPC Class Codes: Y10S 707/99953 Recoverability

Abstract

A network browsing system includes a host computer coupled to a client computer by a network. A network browser process implemented on the client computer is capable of establishing a connection with the host computer and of generating a request for desired data from the host computer which is to generate desired images on the display of the client computer. A server process implemented on the host computer services the request for desired data received from the client computer by modifying the desired data into modified data such that no additional connection between the client computer and the host computer is required to receive the entirety of the modified data. The browser process of the client computer can generate the desired images from the modified data to the same extent that it could from the originally requested desired data.

Claims

1. A network browsing system comprising:

a network including a plurality of nodes and a host computers, said host computer and said plurality of nodes being interconnected for the transmission of data;

a client computer including a display, said client computer being connected to said network for the transmission of data;

a network browser process implemented on said client computer that is capable of establishing a connection with said host computer and of generating a request for desired data from said host computer which is to generate desired images on said display of said client computer; and

a server process implemented on said host computer which services said request for desired data received from said client computer by modifying the desired data into modified data such that no additional connection between the client computer and the host computer is required to receive the entirety of the modified data, where said browser process can generate said desired images from said modified data, said server process further being operative to transmit the modified data to the client machine, and disconnecting from the client computer after the transmission of the modified data;

wherein said server process determines whether said requested data includes a local embedded URL and, if so, obtains the data associated with said local embedded URL and includes such data with said modified data.

2. A network browsing system as recited in claim 1 wherein said network transmits data using a TCP/IP protocol, and wherein said transmission of data includes the transmission of HTML data.

3. A network browsing system as recited in claim 2 wherein said server process determines whether the requested data includes a local embedded URL and, if so, composes HTML data including an data associated with said local embedded URL and with said URL itself.

4. A network browsing system as recited in claim 3 wherein said server process is recursive.

5. A network browsing system as recited in claim 2 wherein said network browser process processes a cache image command within said modified data to cache an image in a local storage of said client computer.

6. A network browsing system as recited in claim 5 wherein said client computer is configured to provide said host computer with information concerning cached images such that said modified data does not need to include images that are already cached on said client computer.

7. A network browsing system as recited in claim 1 wherein determining whether the requested data includes a local embedded URL is a recursive process.

8. A process implemented on a host computer coupled to a computer network comprising:

establishing a connection with a client computer over said network;

receiving a request from said client computer for desired data that is to be provided by said host computer;

modifying said desired data into modified data such that no additional connection between the client computer and the host computer is required to receive the entirety of the modified data, where modified data includes image information of said desired data, wherein modifying said desired data includes analyzing said desired data for a local embedded URL, and by resolving said local embedded URL by including data referenced by said local embedded URL in said modified data;

transmitting the modified data to the client machine; and

disconnecting from the client computer after the transmission of the modified data.

9. A process as recited in claim 8 wherein said network transmits data using a TCP/IP protocol, and wherein said desired data includes HTML data.

10. A process as recited in claim 8 wherein said resolving said local embedded URL is a recursive process.

11. A process as recited in claim 10 wherein said resolving said local embedded URL includes creating a new HTML object including image information said URL.

12. A process as recited in claim 11 wherein modifying said desired data further includes inserting at least one of inserting image caching and cached image retrieving commands into said modified data.

13. A process as recited in claim 8 wherein said process further comprises receiving cache information from said client computer, and wherein modifying said desired data includes omitting image information that is already cached on said client computer.

14. A computer readable medium containing program instructions implementing the process of claim 8.