Securities and Derivatives Network (SDNet/2)  

Securities and Derivatives Network (SDNet) is an integrated Optical Ethernet network infrastructure for supporting HKEX securities and derivatives trading, clearing and settlement, market data services.

SDNet/1 was first launched in 2005 and followed by the upgrade to SDNet/2 in 2012. SDNet/2 is designed for high resilience, higher bandwidth options and lowered network round-trip latency, and SDNet/2 is being supported by multiple carriers, known as Accredited Vendors.

Securities Market (AMS/3, Shanghai and Shenzhen Connect)
Derivatives Market (HKATS, DCASS)
Cash Clearing and Settlement / Collateral Management (CCASS/CCMS)
Market Data (OMD-C, OMD-D, IIS)
Frequently Asked Questions

HKEX Technical Support
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Information Provided by Accredited Vendors - Derivatives Market
Accredited Vendors Contact Information
Price Information / Technical Specification / Service Level of SDNet/2 
SDNet/2 Installation Guidelines