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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Okumura, T. Mosse, D. |
| Copyright Year | 2005 |
| Description | Author affiliation: Dept. of Comput. Sci., Pittsburgh Univ., PA, USA (Okumura, T.; Mosse, D.) |
| Abstract | There have been increasing demands for proper monitoring and control in end-host systems, mainly for security and QoS purposes. Nevertheless, existing technologies are insufficient as primitives for end-host security. For example, Berkeley packet filter (BPF), the most popular monitoring infrastructure for many Unix systems, is intended for packet capturing at physical interfaces, and thus, not appropriate for monitoring of applications, which is sometimes critical for system security. This paper presents a simple solution to the problem, utilizing hierarchical virtual network interface (VIF) mechanism. VIF is a new OS abstraction that can be hierarchically structured and attached to OS entities to control their network I/O. We extend VIFs to allow filtering and monitoring of their traffic, and show that it has desirable properties for end-host monitoring and control of traffic. We present our prototype implementation on FreeBSD, and evaluate it qualitatively and quantitatively. Demonstrated advantages include: i) ability to monitor terminating entities at arbitrary granularity, ii) a single consistent framework for both network security and network quality of service, iii) OS independence, iv) efficiency as a control primitive, v) compatibility with BPF interface and its applications, and vi) flexibility for future functional expansion. |
| Starting Page | 2091 |
| Ending Page | 2101 |
| File Size | 2419158 |
| Page Count | 11 |
| File Format | |
| ISBN | 0780389689 |
| ISSN | 0743166X |
| DOI | 10.1109/INFCOM.2005.1498485 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-03-13 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Intelligent networks Communication system traffic control Traffic control Band pass filters Peace technology Control systems Computerized monitoring Quality of service Application software Inspection |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Science Electrical and Electronic Engineering |
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