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Tuesday, May 12, 2009

SIP Handbook: Services, Technologies, and Security of Session Initiation Protocol


Syed A. Ahson, Mohammad Ilyas, "SIP Handbook: Services, Technologies, and Security of Session Initiation Protocol"
Publisher:CRS | ISBN: 142006603X | 2008 | PDF | 576 pages | 12 Mb rared PDF


Product Description
Widely adopted by service providers to enable IP telephony, instant messaging, and other data services, SIP is the signaling protocol of choice for advanced multimedia communications signaling. Compiled by noted engineering experts Syed Ahson and Mohammad Ilyas, SIP Handbook: Services, Technologies, and Security of Session Initiation Protocol presents a thorough technical review of all aspects of SIP. It captures the current state of IP Multimedia Subsystem technology and provides a unique source of comprehensive reference material on this subject.

SIP Applications for Today and Tomorrow
The scope of this volume ranges from basic concepts to future perspectives. Divided into three sections, the book begins with a discussion of SIP in peer-to-peer networks and then goes on to examine advanced media integration, migration considerations, mobility management, and group conferencing, while also reviewing home networking and compliance issues.
The middle section of the book focuses on the underlying technologies of SIP. Chapters review network architecture, vertical handoffs, NAT traversals, multipoint extensions, and other areas at the forefront of research. Finally, the text examines various security vulnerabilities and provides perspectives on secure intelligent SIP services with a future outlook on a fraud detection framework in VoIP networks.

Insights from International Researchers
Authored by 65 experts from across the world, this text is sure to advance the field of knowledge in this ever-changing industry and provide further impetus for new areas of exploration. Because of the editors’ pivotal influence and their proximity to both the current market and the latest science, this work is certain to become the definitive text on this emerging technology.
http://ifile.it/gz1mpav/281239___siphandbook_142006603x.rar

New Technologies, Mobility and Security


Houda Labiod, Mohamad Badra, "New Technologies, Mobility and Security"
Springer | 2007-11-19 | ISBN: 1402062699 | 633 pages | PDF | 7,2 MB

NTMS’2007 is the first IFIP International Conference on New Technologies, Mobility and Security that was held from May 2 to May 4, 2007 in Paris, France.
NTMS'2007 aims at fostering advances in the areas of New Technologies, Wireless Networks, Mobile Computing, Ad hoc and Ambient Networks, QoS, Network Security and E-commerce, to mention a few, and provides a dynamic forum for researchers, students and professionals to present their state-of-the-art research and development in these interesting areas. The event was combined with tutorial sessions and workshops. Tutorials preceded the main program, aiming at the dissemination of mature knowledge and technology advances in the field. One Workshop immediately followed the main conference, offering the opportunity for a more focused exchange of ideas and presentation of on-going research relevant to selected topics.

http://ifile.it/xn21fgh/268942___netechn.zip

Sunday, May 10, 2009

Memory Management for Synthesis of DSP Software


Praveen K. Murthy, Shuvra S. Bhattacharyya - Memory Management for Synthesis of DSP Software
CRC | 2006 | ISBN: 0849337526 | Pages: 320 | PDF | 7.57 MB

Although programming in memory-restricted environments is never easy, this holds especially true for digital signal processing (DSP). The data-rich, computation-intensive nature of DSP makes memory management a chief and challenging concern for designers. Memory Management for Synthesis of DSP Software focuses on minimizing memory requirements during the synthesis of DSP software from dataflow representations. Dataflow representations are used in many popular DSP design tools, and the methods of this book can be applied in that context, as well as other contexts where dataflow is used. This book systematically reviews research conducted by the authors on memory minimization techniques for compiling synchronous dataflow (SDF) specifications. Beginning with an overview of the foundations of software synthesis techniques from SDF descriptions, it examines aggressive buffer-sharing techniques that take advantage of specific and quantifiable tradeoffs between code size and buffer size to achieve high levels of buffer memory optimization. The authors outline coarse-level strategies using lifetime analysis and dynamic storage allocation (DSA) for efficient buffer sharing as one approach and demonstrate the role of the CBP (consumed-before-produced) parameter at a finer level using a merging framework for buffer sharing. They present two powerful algorithms for combining these sharing techniques and then introduce techniques that are not restricted to the single appearance scheduling space of the other techniques. Extensively illustrated to clarify the mathematical concepts, Memory Management for Synthesis of DSP Software presents a comprehensive survey of state-of-the-art research in DSP software synthesis.

http://ifile.it/jkrm3pc/0849337526.zip

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