Session Initiation Protocol (SIP), standardized by the Internet Engineering Task Force (IETF), has emulated the simplicity of the protocol architecture of hypertext transfer protocol (HTTP) and is being popularized for VoIP over the Internet because of the ease with which it can be meshed with web services. However, it is difficult to know exactly how many requests for comments (RFCs) have been published over the last two decades in regards to SIP or how those RFCs are interrelated.
Handbook on Session Initiation Protocol: Networked Multimedia Communications for IP Telephony solves that problem. It is the first book to put together all SIP-related RFCs, with their mandatory and optional texts, in a chronological and systematic way so that it can be used as a single super-SIP RFC with an almost one-to-one integrity from beginning to end, allowing you to see the big picture of SIP for the basic SIP functionalities. It is a book that network designers, software developers, product manufacturers, implementers, interoperability testers, professionals, professors, and researchers will find to be very useful.
The text of each RFC from the IETF has been reviewed by all members of a given working group made up of world-renowned experts, and a rough consensus made on which parts of the drafts need to be mandatory and optional, including whether an RFC needs to be Standards Track, Informational, or Experimental. Texts, ABNF syntaxes, figures, tables, and references are included in their original form. All RFCs, along with their authors, are provided as references. The book is organized into twenty chapters based on the major functionalities, features, and capabilities of SIP.
About the Author
Radhika Ranjan Roy is an electronics engineer, US Army Research, Development, and Engineering Command (RDECOM), Communications–Electronics Research, Development, and Engineering Center (CERDEC), Space and Terrestrial Communications Directorate (S&TCD) Laboratories, Aberdeen Proving Ground (APG), Maryland, since 2009. Before joining to US Army Research, he worked in various capacities in CACI, SAIC, AT&T/Bell Laboratories, CSC, and PDB since his graduation. He earned his PhD in electrical engineering with major in computer communications from the City University of New York, New York, in 1984, and MS in electrical engineering from the Northeastern University, Boston, Massachusetts, in 1978. He received his BS in electrical engineering from the Bangladesh University of Engineering and Technology, Dhaka, Bangladesh, in 1967. He has published more than 50 technical papers. He is holding and/or submitted over 30 patents. He authored a book titled Handbook of Mobile Ad Hoc Networks on Mobility Models in 2010.
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对于我这样一个常年混迹于各种网络协议研究的老兵来说,一本关于SIP的书籍,我最看重的就是其深度和广度。《Handbook on Session Initiation Protocol: Networked Multimedia Communications for IP Telephony》这本书在这方面做得相当出色。它没有停留在浅显的协议描述上,而是深入剖析了SIP协议在现代IP网络通信体系结构中所扮演的关键角色。我特别喜欢作者对于SIP与RTP、RTCP等协议之间协同工作机制的细致讲解,这让我对端到端的媒体流如何建立和管理有了更清晰的认识。书中对SIP的扩展性也进行了深入的探讨,例如SIP SERVlets、SIP Presence等,这些内容对于理解未来通信的发展趋势非常有帮助。此外,作者在处理SIP的性能优化和可伸缩性问题时,也给出了一些非常实用的建议和设计模式,这对于在实际部署中构建大规模、高性能的SIP基础设施非常有价值。总的来说,这本书给我带来的不仅仅是知识的增长,更是对整个IP多媒体通信领域有了更宏观和更深刻的理解,值得反复研读。
评分这本书给我的整体感觉是,它不仅仅是在“教”你SIP,更是在“带”你体验SIP。作者的文字充满激情,仿佛一位经验丰富的向导,带领着读者穿越SIP的神秘世界。他不仅解释了SIP是如何工作的,更重要的是,他解释了“为什么”SIP要这样工作,以及它能够带来什么。我非常欣赏书中对于SIP协议背后设计理念的阐述,这让我对协议的整体架构和各个组成部分之间的关系有了更深入的理解。比如,作者对SIP URI、SIP Headers、SIP Methods的详细解读,以及它们如何在不同的场景下协同工作,都让我受益匪浅。此外,书中还涉及了SIP与其他协议(如Diameter, H.248等)的集成,这为理解整个IP通信生态系统提供了宝贵的视角。这本书最让我惊喜的是,它能够将抽象的技术概念,通过生动形象的语言和贴切的比喻,变得触手可及。我感觉自己不仅仅是在阅读一本技术书籍,更像是在与一位智慧的导师进行一场深刻的对话,我迫不及待地想继续探索下去。
评分说实话,我对SIP的了解一直停留在表层,这次偶然翻到这本书,简直就像挖到了一座金矿!作者的写作风格非常平易近人,即使是像我这样非技术背景的读者,也能在轻松愉快的阅读中掌握许多复杂的技术概念。书中的插图和图表非常丰富,它们生动地展示了SIP消息的传递过程、会话的建立与终止等关键环节,大大降低了理解的门槛。我尤其喜欢书中关于SIP在实际部署中可能遇到的各种挑战以及相应的解决方案的讲解,比如防火墙穿透、NAT问题、以及不同终端设备之间的兼容性等等。这些实际的应用场景分析,让我觉得这本书非常有价值,不再是枯燥的技术堆砌,而是真正能解决实际问题的指南。它让我明白,SIP并非只是一个协议,而是构建起一个强大、灵活、可扩展的通信网络的基础。我现在充满了信心,准备将书中的知识运用到我的工作中,去探索更多SIP的可能。
评分这本书简直是SIP领域的一本宝藏,我刚翻了几页就被深深吸引了。作者在介绍SIP协议的方方面面时,逻辑清晰,条理分明,让我这个对网络通信原本知之甚少的人,也能够快速理解其核心概念。从最基础的信令流程,到复杂的NAT穿越问题,再到QoS的实现,每一个环节都讲解得鞭辟入里。我尤其欣赏书中对于不同场景下SIP应用的详细阐述,比如VoIP电话、即时消息、视频会议等,它们是如何通过SIP协议有机地结合起来,构建起一个互联互通的通信环境。书中还穿插了大量的实际案例分析,这些案例不仅生动形象,而且具有很强的指导意义,让我能够将书中的理论知识与实际工作中的问题联系起来,找到解决思路。我印象深刻的是关于SIP安全性的章节,作者详细介绍了SIP协议中存在的安全漏洞以及相应的防范措施,这对于构建安全可靠的IP通信系统至关重要。总而言之,这本书不仅仅是一本技术手册,更是一部带领读者深入理解下一代通信技术奥秘的启蒙之作,强烈推荐给所有对IP电话和多媒体通信感兴趣的朋友们。
评分我一直认为,一本真正的好书,应该能够激发读者的思考,并且引领读者走向更广阔的领域。《Handbook on Session Initiation Protocol: Networked Multimedia Communications for IP Telephony》无疑就是这样一本令人难以忘怀的书籍。它不仅仅局限于SIP协议本身的细节,而是将其置于更宏大的网络多媒体通信背景下进行考察。作者对SIP在整合语音、视频、即时消息等多种通信形式方面的能力进行了深入的挖掘,让我看到了SIP作为统一通信核心的巨大潜力。书中对于SIP与其他新兴通信技术的融合,例如WebRTC,也进行了一些前瞻性的探讨,这让我对未来通信的发展方向有了更清晰的认识。我特别欣赏作者在介绍SIP标准化过程和相关RFC文档时,所展现出的严谨态度和渊博学识。这不仅让我对SIP的演进有了更深的理解,也让我认识到在通信领域,开放的标准和持续的创新是多么重要。这本书的价值,远超了我最初的预期。
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