نتایج جستجو برای: امنیت sip

تعداد نتایج: 17876  

Objective(s):Cyclophosphamide (CP) toxicity on testis was hampered by squid ink polysaccharide (SIP) via restoration of antioxidant ability in our previous investigations. This study investigated roles of Nrf2/ARE signal pathway in testis of treated mice. Materials and Methods: Male Kunming mice were employed to undergo treatment with SIP and/or CP. Protein levels of Nrf2, keap-1, histone deac...

2013
Sai Krishna

With the appearance of multimedia applications and the upcoming age of Voice over IP (VoIP), Voice setup and resources control protocols such as SIP and H.323 over the Internet are becoming increasingly attractive applications. In the last few years as a real competitor in traditional telephony services (PSTN), SIP has gained much attention when compared with H.323. SIP works at presentation an...

2009
H. Tschofenig J. Hodges

This document specifies a Session Initiation Protocol (SIP) profile of Security Assertion Markup Language (SAML) as well as a SAML SIP binding. The defined SIP SAML Profile composes with the mechanisms defined in the SIP Identity specification and satisfy requirements presented in "Trait-based Authorization Requirements for the Session Initiation Protocol (SIP)". Tschofenig, et al. Expires Sept...

Journal: :CoRR 2012
Yang Hong Changcheng Huang James Yan

Recent collapses of SIP servers in the carrier networks indicates two potential problems of SIP: (1) the current SIP design does not easily scale up to large network sizes, and (2) the built-in SIP overload control mechanism cannot handle overload conditions effectively. In order to help carriers prevent widespread SIP network failure effectively, this chapter presents a systematic investigatio...

2012
Pamela Zave Gregory W. Bond Eric Cheung Thomas M. Smith

StratoSIP (“SIP at a very high level”) is a domainspecific language for programming SIP applications. This manual documents Version 1.0 of StratoSIP. The runtime environment for a StratoSIP program is a SIP Servlet container [6]. StratoSIP is compiled into ECharts for SIP Servlets (E4SS) [3]; E4SS is, in turn, compiled into Java. StratoSIP is designed to enable all application programmers, even...

2007
Stephan Wanke Michael Scharf Sebastian Kiesel Stefan Wahl

Future telephony and multimedia systems will use the Session Initiation Protocol (SIP) for signaling purposes. SIP is a text-based protocol that imposes challenges for an efficient message processing. The ability of SIP entities to process SIP messages quickly is crucial for the performance of these networks, which often have strict timing requirements, e. g., to keep the call setup delays smal...

Journal: :journal of advances in computer research 0
hassan asgharian computer engineering, iran university of science and technology, tehran, iran ahmad akbari computer engineering, iran university of science and technology, tehran, iran bijan raahemi school of electrical engineering and computer science, university of ottawa, ottawa, canada

session initiation protocol (sip) is the main signaling protocol of next generation networks (ngn). sip based applications are usually deployed over the internet, for which their text-based nature and internal stateful operation make them vulnerable to different types of attacks. the real‑time functionality of sip based applications make their related security systems more complex. on the other...

ژورنال: محاسبات نرم 2018

The SIP protocol was standardized by the IETF at the application layer for initiating, managing, and terminating multimedia sessions and has been widely used as the main signaling protocol on both the Internet and VoIP networks. Most challenges in this protocol are overload and lack of proper state distribution. These challenges cause a wide range of next-generation network users to face a shar...

2007
H. Tschofenig J. Hodges

This document specifies a Session Initiation Protocol (SIP) profile of Security Assertion Markup Language (SAML) as well as a SAML SIP binding. The defined SIP SAML Profile composes with the mechanisms defined in the SIP Identity specification and satisfy requirements presented in "Trait-based Authorization Requirements for the Session Initiation Protocol (SIP)". Table of

2008
H. Tschofenig J. Hodges

This document specifies a Session Initiation Protocol (SIP) profile of Security Assertion Markup Language (SAML) as well as a SAML SIP binding. The defined SIP SAML Profile composes with the mechanisms defined in the SIP Identity specification and satisfy requirements presented in "Trait-based Authorization Requirements for the Session Initiation Protocol (SIP)". Tschofenig, et al. Expires Janu...

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