TY - JOUR A1 - Ebner, Frank A1 - Schneider, Volker T1 - Analysis of web data compression and its impact on traffic and energy consumption JF - FHWS Science Journal N2 - While connection speeds are increasing slowly, some ISPs mention plans about possible traffic limitations in the near future which would keep internet traffic expensive. In addition, Green IT became more important especially over the last few years. Besides on-demand content like video live streams, HTTP traffic plays an important role. Thinking of textual web content, compression quickly comes to mind as a possibility to reduce traffic. The current HTTP/1.1 standard only provides gzip as an option for content encoding. HTTP/2.0 is under heavy development and numerous new algorithms have been established over the last few years. This paper analyzes HTTP traffic composition on a production server and concludes that about 50% is compressible. It further examines the effectiveness of custom and existing algorithms with regards to compression ratio, speed, and energy consumption. Our results show that gzip is a sound choice for web traffic but alternatives like LZ4 are faster and provide competitive compression ratios. Y1 - 2014 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:863-opus-428 VL - 1 IS - 2 SP - 7 EP - 24 CY - Würzburg ER - TY - JOUR A1 - Herrmann, Volker A1 - Schneider, K. T1 - Semi-quantitative mechanical characterisation of fibre composites in the sub-micron-range by SFM JF - Composites A Y1 - 2001 UR - http://permalink.bibkatalog.de/BV035250842 VL - 32 SP - 1679 EP - 1687 ER -