NDLI: SIP security issues: the SIP authentication procedure and its processing load

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SIP security issues: the SIP authentication procedure and its processing load

Content Provider	CiteSeerX
Author	Salsano, Stefano Veltri, Luca Papalilo, Donald
Abstract	Session Initiation Protocol is currently receiving much attention and seems to be the most promising candidate as signaling protocol for the current and future IP telephony services, also becoming a real competitor to plain old telephone service. For the realization of such a scenario, there is the obvious need to provide a certain level of quality and security, comparable to that provided by the traditional telephone systems. While the problem of QoS mostly refers to the network layer, the problem of security is strictly related to the signaling mechanisms and the service provisioning model. For this reason, at present, a very hot topic in the SIP and IP telephony standardization track is security support. In this work, the security model used by SIP is described, and the different open issues are highlighted. We focus, in particular, on the problem of authentication providing a short tutorial on the solution under standardization. The architecture of a possible commercial IP telephony service including user authentication is also described. Finally, we focus on performance issues. By means of a real testbed implementation, we provide an experimental performance analysis of
File Format	PDF
Journal	IEEE Network
Language	English
Access Restriction	Open
Subject Keyword	Sip Authentication Procedure Sip Security Issue Processing Load Traditional Telephone System Security Model Promising Candidate Old Telephone Service User Authentication Real Testbed Implementation Possible Commercial Ip Telephony Service Certain Level Real Competitor Different Open Issue Short Tutorial Future Ip Telephony Service Hot Topic Much Attention Performance Issue Ip Telephony Standardization Track Experimental Performance Analysis Network Layer Obvious Need Security Support Session Initiation Protocol
Content Type	Text
Resource Type	Article

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