'Nat traversal' presentation slideshows

T-110.5110 Computer Networks II Summary 7.12.2009

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OpenVoIP An Open Peer-to-Peer VoIP and IM System

OpenVoIP An Open Peer-to-Peer VoIP and IM System. Salman Abdul Baset, Gaurav Gupta, and Henning Schulzrinne Columbia University. Agenda. What is a peer-to-peer VoIP and IM system? Why P2P? Why not Skype or OpenDHT? Design challenges OpenVoIP architecture and design Implementation issues

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NAT and NAT Traversal

NAT and NAT Traversal. SEng490 Directed Study Haoran Song Supervised by Dr. Jianping Pan. Outline. Problems of NAT in the real world NAT Traversal in our research Conclusion. Firewalls and NAT. Four Types of NAT. Full Cone NAT IP Restricted NAT Port Restricted NAT Symmetric NAT

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Making Peer-to-Peer Work for SIP

Making Peer-to-Peer Work for SIP. Henning Schulzrinne with Salman Baset, Jae Woo Lee Dept. of Computer Science, Columbia University, New York hgs@cs.columbia.edu SIP 2008 (upperside.fr) Paris, France January/February 2008. Outline. Why peer-to-peer? Three types of peer-to-peer systems

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A New Method for Symmetric NAT Traversal in UDP and TCP

A New Method for Symmetric NAT Traversal in UDP and TCP. Yuan Wei & Daisuke Yamada & Suguru Yoshida & Shigeki Goto Waseda University {wei,daisk,yoshida,goto}@goto.info.waseda.ac.jp. Agenda. Network Address Translator (NAT) Existing problems in NAT traversal New method Experiment

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PPSP NAT traversal

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Open Source carrier-grade platforms

Open Source carrier-grade platforms. Adrian Georgescu AG Projects http://ag-projects.com. Circuit switched networks (SS7 and ISDN) reached their end-of-life Replacement for signaling protocols has been proposed by ITU (H323) and IETF (SIP)

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An Analysis of the Skype Peer-to-Peer Internet Telephony Protocol

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Internet Gateway Device (IGD)

Internet Gateway Device (IGD). Philip Poulidis Director, Home Networking GlobespanVirata. Agenda. Introduction Network Address Translation (NAT) The Problem with NAT The Solution UPnP IGD Explained Certification. Introduction.

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Session Border Controllers

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Lower recurring costs from the carrier

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Internet Gateway Device (IGD)

Internet Gateway Device (IGD). Philip Poulidis Director, Home Networking GlobespanVirata. Agenda. Introduction Network Address Translation (NAT) The Problem with NAT The Solution UPnP IGD Explained Certification. Introduction.

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Into the Cloud Future Direction of Video Conferencing

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NAT Traversal in HIP

NAT Traversal in HIP. Xiang LIU TML/HIIT (frogsir@gmail.com) ?. Agenda. On Current Internet Traversal technologies (General vs. HIP) ? DEMO details. On Current Internet. Popular of NAT(IPv4) ? NATs understand TCP & UDP, but not HIP. Behave/MMusic NAT traversal Solution.

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Multi-hop PANA

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PPSP NAT traversal

PPSP NAT traversal. draft-li-ppsp-nat-traversal-00. Lichun Li , Jun Wang, Yu Meng {li.lichun1, wang.jun17,meng.yu}@ zte.com.cn. Terminology. STUN/TURN/proxy/relay peer special PPSP peers providing NAT traversal services User nodes or super nodes deployed by the operator STUN peer

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ID-LOC Proposal

ID-LOC Proposal. Philip Matthews Eric Cooper Alan Johnston Avaya With contributions from Cullen Jennings, David Bryan, and Bruce Lowekamp. Not a Peer Protocol proposal !. ID-LOC = proposed addition to the Peer Protocol (i.e., Reload or whatever). ID-LOC = Some selected ideas from HIP

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ASP Key Ideas

ASP Key Ideas. Security Framework NAT Traversal Extensibility Usage Models Pluggable DHT Forwarding Layer Multiple P2P Networks. HIP-HOP. Breaks P2P layer into 3 parts; detailed proposal using HIP for Distrib Transport part. Take rest from other proposals?. P2PP.

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IPSEC - IETF 55 Agenda

IPSEC - IETF 55 Agenda. Agenda Bashing (5 min) I-D Status (5 min) Announcements/Updates E. Nielsen (5 min) VoIP security requirements H. Krawczyk (5 min) Analysis of crypto exchange in IKE and SOI B. Korver -- PKI Profile I-D (10 min) B. Weiss -- RSA sigs for AH/ESP (15 min)

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NAT Traversal for P2PSIP

NAT Traversal for P2PSIP. Philip Matthews Avaya. Establishing new Peer Protocol connection. Step 2.ICE Offer/Answer exchange via Overlay Routing (or via a Peer Protocol Relay). 3. ICE connectivity checks. The result is a connection between X and Y. P2PSIP Network. 2. 3. Peer X. Peer Y.

187 views • 6 slides