How LSEG connects the world of finance: Using AWS Cross-Region PrivateLink to transform global market data access

This article details how LSEG uses AWS Cross-Region PrivateLink to expand global market data access from 6 to 32 AWS Regions for its Real-Time Optimized (RTO) platform, serving 25,000+ financial institutions worldwide.

• Cross-Region PrivateLink enables secure, low-latency market data access across 32 AWS Regions globally
• Eliminates need for LSEG infrastructure deployment in each target Region, reducing operational complexity
• Provides automatic failover across Availability Zones in both consumer and provider Regions
• All traffic flows over AWS private backbone network, never crossing public internet
• Supports flexible multi-AZ deployment with managed failover capabilities
• Integrates seamlessly with LSEG's existing V1 and V2 authentication mechanisms
• Latency ranges from 70ms (US East-West) to 200ms (EU-APAC) at 95th percentile
• Customers report 45% latency reduction and ability to launch new trading operations in weeks

Cross-Region PrivateLink transforms global market data delivery by combining PrivateLink security with worldwide reach, enabling financial institutions to access real-time data from any AWS Region without infrastructure constraints.