How Index Management Evolved: Mental Math to Integrated Data Streams

An index is like a combination between a bill of health and a bellwether for the market, it needs to operate efficiently, so that investors feel confident they are making the right moves. Perhaps the most well known index is the S&P 500, which is widely regarded by the financial world as the most precise representation of the stock market…


QDS transport and networking

In the previous blog entry titled “Introduction into QDS architecture” I gave a short overview of the overall QDS design. Today I’ll explain the basics of QDS transport and networking architecture. QDS transport layer uses quite non-standard design. In a typical enterprise application that is built in layers, the presentation layer is built on top … More

Introduction into QDS architecture

dxFeed Market Data services are built on top of QDS core — the open source, high-performance messaging solution that was designed from the ground up to deliver millions of quotes on hundreds of thousands financial instruments to virtually unlimited number of destinations in a scalable way, while supporting fully individual subscription for each recipient. The … More