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Optimizing TCP forwarder performance

delete2000-04-01
delete80
PRE
AI
O
Oliver Spatscheck
J
Jakob S. Hansen
J
John H. Hartman
P
Peterson, LL
DOI:10.1109/90.842138delete
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摘要

摘要

En 中文
A TCP forwarder is a network node that establishes and forwards data between a pair of TCP connections. An example of a TCP forwarder is a firewall that places a proxy between a TCP connection to an external host and a TCP connection to an internal host, controlling access to a resource on the internal host. Once the proxy approves the access, it simply forwards data from one connection to the other, We use the term TCP forwarding to describe indirect TCP communication via a proxy in general. This paper briefly characterizes the behavior of TCP forwarding, and illustrates the role TCP forwarding plays in common network services like firewalls and HTTP proxies. We then introduce an optimization technique, called connection splicing, that can be applied to a TCP forwarder, and report the results of a performance study designed to evaluate its impact. Connection splicing improves TCP forwarding performance by a factor of two to four, making it competitive with IP router performance on the same hardware.
Keyword:
firewall
proxy
router
TCP
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期刊

I
IEEE-ACM Transactions on Networking
IF:
3.6
论文数:
4.4K
被引数:
9.5K

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