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Introduction to Common Name Service System(CNSS). Yanfeng wang CNNIC 2001.10.20. Outline. Forewords Common name service system Future. Foreword. Running test-bed since Aug. 04, 2001 Function update twice. CNNIC’s Common Name Service System (CNSS). CNSS. Function & definition
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Introduction to Common Name Service System(CNSS) Yanfeng wang CNNIC 2001.10.20
Outline • Forewords • Common name service system • Future
Foreword • Running test-bed since Aug. 04, 2001 • Function update twice
CNSS • Function & definition • Architecture • Components • Client • Response server • Common-name DB • CNSS resolving flow • Features
Function & definition • Function : • Resolve the common name to URL. • The result is none or unique. • Definition: • Common name can contain letter,digital,hyphen,Chinese characters,etc. • Full width and half width characters are equivalent
httpd app. server CN DB Architecture of CNSS Cns response server Client
Client • No change to original function of browser • Users can customize its feature(on/off,cache…) • No change to user’s habits • Support both common name and Chinese domain name.
Response server • Includes httpd and application server • Several response servers make up a server cluster (fault-tolerance ,high availability,high performance…)
CN Database • Common names are stored in standard forms • DB server and response server comm. By std. protocol • Extensibility
CNSS resolving flow IDN CNSS httpd CN DNS CN DB CN resp. server www.china.com Search Engines N/Y http://www.china.com CNSS httpd
Some features • More convenient than URL for users to surf Internet • Support both common name and Chinese Domain Name • Communication protocol conform to standard protocol • …
Future of common name • participate in discussion and communication of the keyword/common-name tech .
Thanks cdngroup@cnnic.net.cn