System, apparatus and methods to implement high-speed network analyzers
Abstract
Systems, apparatus and methods for the implementation of high-speed network analyzers are provided. A set of high-level specifications is used to define the behavior of the network analyzer emitted by a compiler. An optimized inline workflow to process regular expressions is presented without sacrificing the semantic capabilities of the processing engine. An optimized packet dispatcher implements a subset of the functions implemented by the network analyzer, providing a fast and slow path workflow used to accelerate specific processing units. Such dispatcher facility can also be used as a cache of policies, wherein if a policy is found, then packet manipulations associated with the policy can be quickly performed. An optimized method of generating DFA specifications for network signatures is also presented. The method accepts several optimization criteria, such as min-max allocations or optimal allocations based on the probability of occurrence of each signature input bit.
- Inventors:
- Issue Date:
- Research Org.:
- Reservoir Labs, Inc., New York, NY(United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1225520
- Patent Number(s):
- 9185020
- Application Number:
- 12/770,649
- Assignee:
- Reservoir Labs, Inc. (New York, NY)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- DOE Contract Number:
- FG02-08ER85046
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2010 Apr 29
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Ezick, James, Lethin, Richard, Ros-Giralt, Jordi, Szilagyi, Peter, and Wohlford, David E. System, apparatus and methods to implement high-speed network analyzers. United States: N. p., 2015.
Web.
Ezick, James, Lethin, Richard, Ros-Giralt, Jordi, Szilagyi, Peter, & Wohlford, David E. System, apparatus and methods to implement high-speed network analyzers. United States.
Ezick, James, Lethin, Richard, Ros-Giralt, Jordi, Szilagyi, Peter, and Wohlford, David E. Tue .
"System, apparatus and methods to implement high-speed network analyzers". United States. https://www.osti.gov/servlets/purl/1225520.
@article{osti_1225520,
title = {System, apparatus and methods to implement high-speed network analyzers},
author = {Ezick, James and Lethin, Richard and Ros-Giralt, Jordi and Szilagyi, Peter and Wohlford, David E.},
abstractNote = {Systems, apparatus and methods for the implementation of high-speed network analyzers are provided. A set of high-level specifications is used to define the behavior of the network analyzer emitted by a compiler. An optimized inline workflow to process regular expressions is presented without sacrificing the semantic capabilities of the processing engine. An optimized packet dispatcher implements a subset of the functions implemented by the network analyzer, providing a fast and slow path workflow used to accelerate specific processing units. Such dispatcher facility can also be used as a cache of policies, wherein if a policy is found, then packet manipulations associated with the policy can be quickly performed. An optimized method of generating DFA specifications for network signatures is also presented. The method accepts several optimization criteria, such as min-max allocations or optimal allocations based on the probability of occurrence of each signature input bit.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {11}
}
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