Measurement of the SIP Parsing Performance in the SIP Express Router

Wanke, Stephan; Scharf, Michael P.; Kiesel, Sebastian; Wahl, Stefan

doi:10.1007/978-3-540-73530-4_13

Cited by 30 publications

(15 citation statements)

References 6 publications

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“…After protocol conformance is verified, the sorting of the header fields is performed. The sorting order is determined by a typical usage frequency by the different CSCFs and application servers, so that none of the CSCF and AS has to scan the entire SIP message to gather all the relevant information [2,22]. Another important pre-processing function normalizes variations of allowed header field names into a consistent name (e.g., "FrOm" or "F" or "FRoM" or others into "FROM").…”

Section: Ims Network Environment and Basic Architecturementioning

confidence: 99%

Securing IMS against novel threats

et al. 2009

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Fixed mobile convergence (FMC) based on the 3GPP IP Multimedia Subsystem (IMS) is considered one of the most important communication technologies of this decade. Yet this all-IP-based network technology brings about the growing danger of security vulnerabilities in communication and data services. Protecting IMS infrastructure servers against malicious exploits poses a major challenge due to the huge number of systems that may be affected. We approach this problem by proposing an architecture for an autonomous and self-sufficient monitoring and protection system for devices and infrastructure inspired by network intrusion detection techniques. The crucial feature of our system is a signature-less detection of abnormal events and zero-day attacks. These attacks may be hidden in a single message or spread across a sequence of messages. Anomalies identified at any of the network domain's ingresses can be further analyzed for discriminative patterns that can be immediately distributed to all edge nodes in the network domain

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Section: Ims Network Environment and Basic Architecturementioning

confidence: 99%

Securing IMS against novel threats

et al. 2009

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“…According to [28], which presents an exhaustive SIP performance analysis, 25% of processing time on SIP proxies is due to SIP message parsing. Besides, the studies performed in [29] on the performance of SIP message processing on SIP proxies by focusing on the impact of message parsing point out the effects on the message parsing time while additional SIP headers are introduced (18 µs of parse time for standard formatted SIP messages against 20 µs of parse time when additional header fi elds are included). In order to recover the supplementary delay introduced in message parsing time by the Service Broker, we can provide the Service Identifi er and Service Rule Comparison modules with cache databases maintaining the content of already parsed Service-ID and Service-Rule headers.…”

Section: Performance Evaluationmentioning

confidence: 99%

Detection and resolution of feature interactions in IP multimedia subsystem

Gouya¹,

Crespi²

2008

Int J Network Mgmt

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International audienceThe IP Multimedia Subsystem (IMS) enables the delivery of multimedia services through different access networks. 3GPP adopted the Session Initiation Protocol (SIP) as the IMS signalling protocol. However, IMS interaction with these services faces the 'feature interaction' problem encountered in traditional telephony networks. This problem occurs as features invoked during a session behave correctly when processed separately from each other, but not when running together. Although much research work has explored managing feature interactions, applying these solutions in IMS remains challenging and further investigation is needed. This paper aims to analyze the feature interaction issue in IMS and to propose a new solution. We defined a SIP-based algorithm and the associated mechanisms to enhance IMS service invocation. This algorithm is the core of the Service Broker, a new functional entity in charge of managing feature interaction. We validated our proposal through a performance evaluation and prototyped the Service Broker on an open source IMS platform

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“…Less sensitive performance parts are implemented as software code running over a general-purpose micro-processor. Typically, the lowest part of a network application, known as the protocolhandling layer, consumes 25% of the total message processing time [5], [19]. This layer must thus be efficient and calls for a hardware-based implementation to reach the expected level of performance.…”

Section: Zebra Approachmentioning

confidence: 99%

Zebra: Building Efficient Network Message Parsers for Embedded Systems

Mercadal

Réveillère

Bromberg

et al. 2012

IEEE Embedded Syst. Lett.

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Abstract-Supporting standard text-based protocols in embedded systems is challenging because of the often limited computational resources that embedded systems provide. To overcome this issue, a promising approach is to build parsers directly in hardware. Unfortunately, developing such parsers is a daunting task for most developers as it is at the crossroads of several areas of expertise, such as low-level network programming, or hardware design. In this paper, we propose Zebra, a generative approach to drastically ease the development of hardware parsers and their use in network applications. To validate our approach, we have used Zebra to generate hardware parsers for widely used protocols, namely HTTP, SMTP, SIP, and RTSP. Our experiments show that Zebra-based parsers are up to 11 times faster than software-based parsers.

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Measurement of the SIP Parsing Performance in the SIP Express Router

Cited by 30 publications

References 6 publications

Securing IMS against novel threats

Securing IMS against novel threats

Detection and resolution of feature interactions in IP multimedia subsystem

Zebra: Building Efficient Network Message Parsers for Embedded Systems

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