11. 参考文献 (References)

11.1. 规范性参考文献 (Normative References)

[RFC2119] Bradner, S., "用于在 RFC 中指示要求级别的关键词", BCP 14, RFC 2119, DOI 10.17487/RFC2119, March 1997, `https://www.rfc-editor.org/info/rfc2119`.

[RFC3629] Yergeau, F., "UTF-8, ISO 10646 的一种转换格式", STD 63, RFC 3629, DOI 10.17487/RFC3629, November 2003, `https://www.rfc-editor.org/info/rfc3629`.

[RFC3986] Berners-Lee, T., Fielding, R., and L. Masinter, "统一资源标识符 (URI): 通用语法", STD 66, RFC 3986, DOI 10.17487/RFC3986, January 2005, `https://www.rfc-editor.org/info/rfc3986`.

[RFC5234] Crocker, D., Ed., and P. Overell, "用于语法规范的扩展 BNF: ABNF", STD 68, RFC 5234, DOI 10.17487/RFC5234, January 2008, `https://www.rfc-editor.org/info/rfc5234`.

[RFC5322] Resnick, P., Ed., "互联网消息格式", RFC 5322, DOI 10.17487/RFC5322, October 2008, `https://www.rfc-editor.org/info/rfc5322`.

[RFC8126] Cotton, M., Leiba, B., and T. Narten, "RFC 中 IANA 考虑章节的编写指南", BCP 26, RFC 8126, DOI 10.17487/RFC8126, June 2017, `https://www.rfc-editor.org/info/rfc8126`.

[RFC8174] Leiba, B., "RFC 2119 关键词中大小写歧义", BCP 14, RFC 8174, DOI 10.17487/RFC8174, May 2017, `https://www.rfc-editor.org/info/rfc8174`.

11.2. 资料性参考文献 (Informative References)

[RFC2045] Freed, N. and N. Borenstein, "多用途互联网邮件扩展 (MIME) 第一部分: 互联网消息体格式", RFC 2045, DOI 10.17487/RFC2045, November 1996, `https://www.rfc-editor.org/info/rfc2045`.

[RFC2974] Handley, M., Perkins, C., and E. Whelan, "会话公告协议", RFC 2974, DOI 10.17487/RFC2974, October 2000, `https://www.rfc-editor.org/info/rfc2974`.

[RFC3261] Rosenberg, J., Schulzrinne, H., Camarillo, G., Johnston, A., Peterson, J., Sparks, R., Handley, M., and E. Schooler, "SIP: 会话发起协议", RFC 3261, DOI 10.17487/RFC3261, June 2002, `https://www.rfc-editor.org/info/rfc3261`.

[RFC4566] Handley, M., Jacobson, V., and C. Perkins, "SDP: 会话描述协议", RFC 4566, DOI 10.17487/RFC4566, July 2006, `https://www.rfc-editor.org/info/rfc4566`.

[RFC4568] Andreasen, F., Baugher, M., and D. Wing, "用于媒体流的会话描述协议 (SDP) 安全描述", RFC 4568, DOI 10.17487/RFC4568, July 2006, `https://www.rfc-editor.org/info/rfc4568`.

[RFC5763] Fischl, J., Tschofenig, H., and E. Rescorla, "使用数据报传输层安全 (DTLS) 建立安全实时传输协议 (SRTP) 安全上下文的框架", RFC 5763, DOI 10.17487/RFC5763, May 2010, `https://www.rfc-editor.org/info/rfc5763`.

[RFC7230] Fielding, R., Ed., and J. Reschke, Ed., "超文本传输协议 (HTTP/1.1): 消息语法和路由", RFC 7230, DOI 10.17487/RFC7230, June 2014, `https://www.rfc-editor.org/info/rfc7230`.

[RFC7826] Schulzrinne, H., Rao, A., Lanphier, R., Westerlund, M., and M. Stiemerling, Ed., "实时流协议版本 2.0", RFC 7826, DOI 10.17487/RFC7826, December 2016, `https://www.rfc-editor.org/info/rfc7826`.

[RFC8446] Rescorla, E., "传输层安全 (TLS) 协议版本 1.3", RFC 8446, DOI 10.17487/RFC8446, August 2018, `https://www.rfc-editor.org/info/rfc8446`.

[RFC8551] Schaad, J., Ramsdell, B., and S. Turner, "安全/多用途互联网邮件扩展 (S/MIME) 版本 4.0 消息规范", RFC 8551, DOI 10.17487/RFC8551, April 2019, `https://www.rfc-editor.org/info/rfc8551`.