BLT: Bi-layer tracing of HTTP and TCP/IP

被引：18

作者：

Feldmann, A ^{[1
]}

机构：

[1] Univ Saarlandes, D-6600 Saarbrucken, Germany

来源：

COMPUTER NETWORKS-THE INTERNATIONAL JOURNAL OF COMPUTER AND TELECOMMUNICATIONS NETWORKING | 2000年 / 33卷 / 1-6期

关键词：

trace collection; Web; HTTP; TCP; packet traces;

D O I：

10.1016/S1389-1286(00)00077-3

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

We describe BLT, a tool for extracting full HTTP level as well as TCP level traces via packet monitoring. This paper presents the software architecture that allows us to collect traces continuously, online, and at any point in the network. The software has been used to extract extensive traces within AT&T WorldNet since spring 1997 as well as at AT&T Labs-Research. BLT offers a much richer alternative to Web proxy logs, client logs, and Web server logs due to the accuracy of the timestamps, the level of details available by considering several protocol layers (TCP/IP and HTTP events), and its non intrusive way of gathering data. Traces gathered using BLT have provided the foundation of several Web performance studies. (C) 2000 Published by Elsevier Science B.V. All rights reserved.

引用

页码：321 / 335

页数：15

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