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NUTSS: a SIP-based approach to UDP and TCP network connectivity
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Source Applications, Technologies, Architectures, and Protocols for Computer Communication archive
Proceedings of the ACM SIGCOMM workshop on Future directions in network architecture table of contents
Portland, Oregon, USA
SESSION: Half layers table of contents
Pages: 43 - 48  
Year of Publication: 2004
ISBN:1-58113-942-9
Authors
Saikat Guha  Cornell University, Ithaca, NY
Yutaka Takeda  Panasonic Communications Corp.
Paul Francis  Cornell University, Ithaca, NY
Sponsors
SIGCOMM: ACM Special Interest Group on Data Communication
ACM: Association for Computing Machinery
Publisher
ACM  New York, NY, USA
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Downloads (6 Weeks): 6,   Downloads (12 Months): 76,   Citation Count: 5
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ABSTRACT

The communications establishment capability of the Session Initiation Protocol is being expanded by the IETF to include establishing network layer connectivity for UDP for a range of scenarios, including where hosts are behind NAT boxes, and host are running IPv6. So far, this work has been limited to UDP because of the assumed impossibility of establishing TCP connections through NAT, and because of the difficulty of predicting port assignments on certain common types of NATs. This paper reports on preliminary success in establishing TCP connections through NAT, and on port prediction. In so doing, we suggest that it may be appropriate for SIP to take a broader architectural role in P2P network layer connectivity for both IPv4 and IPv6.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
1
Microsoft Corporation. UPnP -- Universal Plug and Play Internet Gateway Device v1.01, Nov. 2001. Available online http://www.upnp.org/standardizeddcps/documents/UPnP_IGD_1.0.zip. 30 April 2004.
 
2
J. Rosenberg. Internet draft: ICE -- Interactive Connectivity Establishment, Feb. 2004. Available online ftp://ftp.isi.edu/internet-drafts/draft-ietf-mmusic-ice-01.txt. 30 April 2004.
 
3
J. Rosenberg, R. Mahy, and C. Huitema. Internet draft: TURN -- Traversal Using Relay NAT, Feb. 2004. Available online ftp://ftp.isi.edu/internet-drafts/draft-rosenberg-midcom-turn-04.txt. 30 April 2004.
 
4
J. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, and E. Schooler. RFC 3261: SIP Session Initiation Protocol, June 2002. Available online http://www.rfc-editor.org/rfc/rfc3261.txt. 30 April 2004.
 
5
J. Rosenberg, J. Weinberger, C. Huitema, and R. Mahy. RFC 3489: STUN -- Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs), Mar. 2003. Available online http://www.rfc-editor.org/rfc/rfc3489.txt. 30 April 2004.
 
6
Y. Takeda. Internet draft: Symmetric NAT Traversal using STUN, June 2003. Available online http://community.roxen.com/developers/idocs/drafts/draft-takeda-symmetr%ic-nat-traversal-00.txt. 10 May 2004.



REVIEW

"Vijay K Gurbani : Reviewer"

Network address translations (NATs) have proven to be a costly hurdle in the widespread deployment of voice over IP (VoIP). The cost can be measured in financial terms, as well as missed opportunities for a wider deployment of the technology. For   more...

Collaborative Colleagues:
Saikat Guha: colleagues
Yutaka Takeda: colleagues
Paul Francis: colleagues