White Papers

Network Convergence and the NAT/Firewall Problems

Category: Security

Tags: ietf, sip, voip, ip, network

Overview Voice over IP technology is fueling the rapid growth on network convergence. Most enterprises today sit behind Firewalls and also use private IP addressing behind NATs (Network Address Translators). These NATs and Firewalls cause significant problems for multimedia over IP to work and function properly. There are presently two standards for VoIP signaling: H.323 (from ITU-T) and SIP (Session Initiation Protocol from IETF). This paper presents the details of the problems and issues associated with NATs/Firewalls and then survey some ways to solve this problem for SIP. There is no single best solution yet. However, this paper discusses how such a simple and elegant solution can be built.

Download White Paper

By downloading you agree to our Terms and Conditions. These include information regarding use of your personal data.

Publisher
Institute of Electrical and Electronics Engineers
File Format
PDF
Date Published
Apr 23, 2008
Format
White Papers
Topics
Firewalls, Network Security, Security Tools

Similiar White Papers

Balancing Security Against Productivity

Balancing Security Against Productivity

What makes for great security? Is it about keeping the bad guys out or letting the good guys in? About defending atta

Publisher: Novell  |  Tags: management, security management

Security: New strides in preventing intrusions.

Security: New strides in preventing intrusions.

Need help eliminating risk in your IT environment? This ForwardView webshow describes how security appliances, which inc

Publisher: IBM

Novell Zenworks Endpoint Security Management: Total Control from a Single Console

Novell Zenworks Endpoint Security Management: Total Control from a Single Console

Still super gluing your USB ports shut? Unauthorized access to networks, lost or stolen laptops and other mobile hardwar

Publisher: Novell  |  Tags: usb

Novell Zenworks Endpoint Security Management: Total Control from a Single Console

Novell Zenworks Endpoint Security Management: Total Control from a Single Console

Unauthorized access to networks, lost or stolen laptops and other mobile hardware, and theft of proprietary informati

Publisher: Novell  |  Tags: laptop, mobile devices

X-Force®Threat Insight Quarterly Voice over Internet Protocol (VoIP) ? Find out what the threats and challenges are for anyone deploying VoIP

X-Force®Threat Insight Quarterly Voice over Internet Protocol (VoIP) ? Find out what the threats and challenges are for anyone deploying VoIP

The X-Force Threat Insight Quarterly (Threat IQ) highlights the most significant threats and challenges facing security

Publisher: Internet Security Systems  |  Tags: homeland security, security flaws, voip

Institute of Electrical and Electronics Engineers White Papers

Performance Evaluation for Remote Access VPNs on Windows Server 2003

Performance Evaluation for Remote Access VPNs on Windows Server 2003

A Virtual Private Network (VPN) can be defined as a way to provide secure communication between members of a group throu

Publisher: Institute of Electrical and Electronics Engineers  |  Tags: infrastructure, remote access, server, server 2003, ssl, vpn, windows server, windows server 2003, xp

Optimal Training Signals for MIMO OFDM Channel Estimation in the Presence of Frequency Offset and Phase Noise

Optimal Training Signals for MIMO OFDM Channel Estimation in the Presence of Frequency Offset and Phase Noise

The authors develop robust Mean-Square Error (MSE)-optimal training signal designs for multiple-input multiple-output or

Publisher: Institute of Electrical and Electronics Engineers

Combining RFID Technology and Business Intelligence for Supply Chain Optimization - Scenarios for Retail Logistics

Combining RFID Technology and Business Intelligence for Supply Chain Optimization - Scenarios for Retail Logistics

"Radio Frequency Identification" (RFID) and the related EPC standards promise to enable an automatic collection of suppl

Publisher: Institute of Electrical and Electronics Engineers  |  Tags: applications, data, management, rfid

A Load-Aware Routing Metric for Wireless Mesh Networks

A Load-Aware Routing Metric for Wireless Mesh Networks

Routing metrics play a critical role in Wireless Mesh Networks (WMNs). Several metrics have already been proposed but no

Publisher: Institute of Electrical and Electronics Engineers  |  Tags: network

Quality Assurance in High Volume Document Digitization: A Survey

Quality Assurance in High Volume Document Digitization: A Survey

Quality Assurance (QA) plays a critical role in high volume document digitization projects by making sure that the speci

Publisher: Institute of Electrical and Electronics Engineers  |  Tags: open source