What is SPDY

SPDY is a new network protocol that GOOGLE is developing, which can greatly improve network transmission speed.

Google announced in its official blog that it is developing a new protocol called "SPDY" (which sounds like "Speedy" in English) to speed up network transmission.

It is reported that the project is still in the early stages of development, but Google is ambitious and hopes that the protocol will replace Http in the future.

The HTTP protocol became a standard as early as 1996 and has always been considered simple and elegant. However, Google criticized its slow transmission speed. Industry insiders said that Google may be one of the few companies with enough influence and resources to launch a "website and browser revolution."

Google has tested the protocol in its lab using a prototype web server and a Chrome client with built-in SPDY protocol. The results show that page loading speed has increased by 55%. Google said that the SPDY protocol is stable enough to accept a wider range of feedback tests. It is reported that Google has published the relevant documents and source code of the SPDY protocol on its website.

SPDY is not a protocol to replace HTTP, but an enhancement to the HTTP protocol. The new protocol features include multiplexing of data streams, request prioritization, and HTTP header compression. Google has developed a web server prototype and a version of the Chrome browser that supports the SPDY protocol.

Google said that after the introduction of the SPDY protocol, the page loading speed in the lab test was 64% faster than before. This data is based on the download test of the world's 25 largest websites. At present, the SPDY team has developed a usable prototype product. Google decided to open this project, hoping that "the network community can actively participate, provide feedback and help."

In a statement on Thursday, Google stressed that SPDY is not intended to replace HTTP. The protocol still uses HTTP methods and headers, but only rewrites the parts of HTTP responsible for connection management and data transmission format. Google said it will soon release an open source SPDY network server. Google has released the source code of the Chrome browser that supports the SPDY protocol.

According to the SPDY white paper released by Google, the goal of the project is to reduce page loading time by 50%, minimize configuration complexity, and prevent website owners from making adjustments to their websites that affect SPDY. Google hopes to transfer all the work to the user end and the network server. By introducing SPDY, Google also hopes to support multiple concurrent HTTP requests in a TCP session and make SLL a standard transmission protocol.

Industry insiders believe that improving network speed and security is in Google's interest. The original purpose of Google's launch of the Chrome browser was to make all developers pay attention to network speed. Compared with Chrome, SPDY is a more ambitious goal. Through SPDY, Google hopes to change one of the most basic protocols of the Internet.