Distributed architecture of VOIP for firewall/NAT Traversing

With the development of the VOIP technology, firewall and NAT become serious problems in network access. Developed from a new technology named SBC (session border controller), this paper proposes distributed architecture to resolve firewall/NAT traversing. To achieve this, SBC is split into two serv...

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Hauptverfasser:	Dawen Zhou, Benxiong Huang, Yijun Mo
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Authentication Control systems Internet telephony Network address translation Network servers Next generation networking Protocols Signal processing Signal resolution Telecommunication traffic
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creator	Dawen Zhou Benxiong Huang Yijun Mo
description	With the development of the VOIP technology, firewall and NAT become serious problems in network access. Developed from a new technology named SBC (session border controller), this paper proposes distributed architecture to resolve firewall/NAT traversing. To achieve this, SBC is split into two servers: SAG (signaling access gateway) and MCC (media channel controller) to let signaling and media flow pass through separately. In this way, the capacity of VOIP system can achieve great improvement. The limitation depends on the max signaling traffic but not media packets that a SAG can process. The greater significance is that it proposes a fully distributed architecture in which every element can be easily extended and dynamically controlled without any modification on the existing system.
doi_str_mv	10.1109/WCNM.2005.1544259
format	Conference Proceeding
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language	eng
recordid	cdi_ieee_primary_1544259
source	IEEE Electronic Library (IEL) Conference Proceedings
subjects	Authentication Control systems Internet telephony Network address translation Network servers Next generation networking Protocols Signal processing Signal resolution Telecommunication traffic
title	Distributed architecture of VOIP for firewall/NAT Traversing
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