dcsimg
Linux Today: Linux News On Internet Time.




More on LinuxToday


Apache Today: HTTP Compression Speeds up the Web

Oct 13, 2000, 15:37 (13 Talkback[s])
(Other stories by Peter Cranstone)

WEBINAR:
On-Demand

Re-Imagining Linux Platforms to Meet the Needs of Cloud Service Providers


"The volume on the Web is forecasted to more than triple over the next three years and the category expecting the fastest growth is data. Data and content will remain the largest percentage of Web traffic and the majority of this information is dynamic so it does not lend itself to conventional caching technologies. Issues range from business to consumer response and order confirmation times, to the time required to deliver business information to a road warrior using a wireless device, to the download time for rich media such as music or video. Not surprisingly, the number one complaint among Web users is lack of speed. That's where compression can help, by using mod_gzip."

"The idea is to compress data being sent out from your Web server, and have the browser decompress this data on the fly, thus reducing the amount of data sent and increasing the page display speed. There are two ways to compress data coming from a Web server, dynamically, and pre-compressed. Dynamic Content Acceleration compresses the data transmission data on the fly (useful for e-commerce apps, database-driven sites, etc.). Pre-compressed text based data is generated beforehand and stored on the server (.html.gz files etc)."

"The goal is to send less data. To do this the data must be analyzed and compressed in real time and be decompressed with no user interaction at the other end. Since smaller amounts of data (less packets) are being sent, they consume less bandwidth and arrive significantly faster. The network acceleration solutions need to be focused on the formats utilized for data and content including HTML, XML, SQL, Java, WML and all other text based languages. Both types of compression utilize HTTP compression and compress HTML files fully three times smaller."

Complete Story