Method, client device, server and article of manufacture for...

Details Method, client device, server and article of manufacture for... Method, client device, server and article of manufacture for...

1998-06-30

2001-09-04

Maung, Zarni (Department: 2154)

Electrical computers and digital processing systems: multicomput

Computer-to-computer data modifying

Compressing/decompressing

C707S793000, C708S203000

Reexamination Certificate

active

06286053

ABSTRACT:

RELATED APPLICATIONS
The present application is related to the following application which is incorporated herein by reference: patent application Ser. No. 09/107,874, METHOD, CLIENT DEVICE, SERVER AND ARTICLE OF MANUFACTURE FOR COMPRESSING UNIVERSAL RESOURCE INDICATORS USING LEFT/RIGHT STRING SUBSTITUTION by Dale Robert Buchholz and James Edward Van Peursem, which is being filed concurrently and which is assigned to Motorola, Inc.
FIELD OF THE INVENTION
The present invention relates to universal resource indicators, and more particularly to compression of universal resource indicators.
BACKGROUND OF THE INVENTION
URLs or web addresses with respect to the Internet are known. As far as the HyperText Transport Protocol (HTTP) is concerned, these are Uniform Resource Identifiers (URIs) which include universal resource locators and/or universal resource names, i.e., formatted strings that identify a network resource by name, location or another predetermined characteristic. URIs throughout the rest of the text include universal resource identifiers, universal resource locators and universal resource names.
The compression of URIs in HTTP requests can provide throughput benefits by reducing the number of bytes that need to be transmitted. In any network where the uplink is shared and a contention-based access scheme is used to arbitrate transmissions, reducing the transmitted packet size makes it less likely to collide with another transmission. This is true of all variety of wireless networks, including wide-area packet data (e.g., Cellular Digital Packet Data (CDPD)), two-way paging (e.g., ReFLEX), and wireless LANs (RF and IR), as well as wired networks that provide wide-area data services, such as those emerging in the cable television industry. The URI is often a large part of the request.
Therefore, since compressing the URI may substantially reduce the probability for collision in the uplink or may provide better efficiency in bandwidth-constrained uplinks, there is a need for an efficient scheme for compressing URIs.


REFERENCES:
patent: 5511159 (1996-04-01), Baket et al.
patent: 5956490 (1999-09-01), Buchholtz et al.

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