Introduction to Common Name Service System(CNSS)

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Presentation transcript:

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 Architecture Components CNSS resolving flow Client Response server Common-name DB CNSS resolving flow Features

Function & definition Function : Definition: 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

Architecture of CNSS Cns response server Client CN DB httpd app. 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 CN DB IDN CNSS httpd CN DNS 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 Names

Future of common name participate in discussion and communication of the keyword/common-name tech .

Thanks cdngroup@cnnic.net.cn