Application layer proxies already play an important role in today’s networks, serving as \frewalls and HTTP caches | and their role is being expanded to include encryption, compression, and mobility support services. Current application layer proxies su\u000ber ma jor performance penalties as they spend most of their time moving data back and forth between connections; context switching and crossing protection boundaries for each chunk of data they handle. We present a technique called TCP Splice that provides kernel support for data relaying operations which runs at near router speeds. In our lab testing, we \fnd SOCKS \frewalls using TCP Splice can sustain a data throughput twice that of normal \frewalls, with an average packet forwarding latency 30 times less<\/p>\n","protected":false},"excerpt":{"rendered":"
Application layer proxies already play an important role in today’s networks, serving as \frewalls and HTTP caches | and their role is being expanded to include encryption, compression, and mobility support services. Current application layer proxies su\u000ber ma jor performance penalties as they spend most of their time moving data back and forth between connections; […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","footnotes":""},"msr-content-type":[3],"msr-research-highlight":[],"research-area":[13547],"msr-publication-type":[193718],"msr-product-type":[],"msr-focus-area":[],"msr-platform":[],"msr-download-source":[],"msr-locale":[268875],"msr-post-option":[],"msr-field-of-study":[],"msr-conference":[],"msr-journal":[],"msr-impact-theme":[],"msr-pillar":[],"class_list":["post-331568","msr-research-item","type-msr-research-item","status-publish","hentry","msr-research-area-systems-and-networking","msr-locale-en_us"],"msr_publishername":"IBM","msr_edition":"","msr_affiliation":"","msr_published_date":"1998-09-01","msr_host":"","msr_duration":"","msr_version":"","msr_speaker":"","msr_other_contributors":"","msr_booktitle":"J. 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