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Home ยป Middleboxes No Longer Considered Harmful
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Middleboxes No Longer Considered Harmful

Abstract: 

Intermediate network elements, such as network address translators (NATs), firewalls, and transparent caches are now commonplace. The usual reaction in the network architecture community to these so-called middleboxes is a combination of scorn (because they violate important architectural principles) and dismay (because these violations make the Internet less flexible). While we acknowledge these concerns, we also recognize that middleboxes have become an Internet fact of life for important reasons. To retain their functions while eliminating their dangerous side-effects, we propose an extension to the Internet architecture, called the Delegation-Oriented Architecture (DOA), that not only allows, but also facilitates, the deployment of middleboxes. DOA involves two relatively modest changes to the current architecture: (a) a set of references that are carried in packets and serve as persistent host identifiers and (b) a way to resolve these references to delegates chosen by the referenced host.

Michael Walfish, MIT Computer Science and Artificial Intelligence Laboratory

Jeremy Stribling, MIT Computer Science and Artificial Intelligence Laboratory

Maxwell Krohn, MIT Computer Science and Artificial Intelligence Laboratory

Hari Balakrishnan, MIT Computer Science and Artificial Intelligence Laboratory

Robert Morris, MIT Computer Science and Artificial Intelligence Laboratory

Scott Shenker, University of California, Berkeley, and ICSI

BibTeX
@inproceedings {269488,
author = {Michael Walfish and Jeremy Stribling and Maxwell Krohn and Hari Balakrishnan and Robert Morris and Scott Shenker},
title = {Middleboxes No Longer Considered Harmful},
booktitle = {6th Symposium on Operating Systems Design \& Implementation (OSDI 04)},
year = {2004},
address = {San Francisco, CA},
url = {https://www.usenix.org/conference/osdi-04/middleboxes-no-longer-considered-harmful},
publisher = {USENIX Association},
month = dec,
}
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Paper: 
http://usenix.org/publications/library/proceedings/osdi04/tech/full_papers/walfish/walfish.pdf
Paper (HTML): 
http://usenix.org/publications/library/proceedings/osdi04/tech/full_papers/walfish/walfish_html/index.html
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