\begin{thebibliography}{10}

\bibitem{rfc1890}
H.~Schulzrinne, ``{RTP} profile for audio and video conferences with minimal
  control,'' Request for Comments 1890, Internet Engineering Task Force, Jan.
  1996.

\bibitem{rfc2068}
R.~Fielding, J.~Gettys, J.~Mogul, H.~Frystyk, and T.~Berners-Lee, ``Hypertext
  transfer protocol -- {HTTP/1.1},'' Request for Comments 2068, Internet
  Engineering Task Force, Jan. 1997.

\bibitem{rfc2070}
F.~Yergeau, G.~Nicol, G.~Adams, and M.~Duerst, ``Internationalization of the
  hypertext markup language,'' Request for Comments 2070, Internet Engineering
  Task Force, Jan. 1997.

\bibitem{rfc2119}
S.~Bradner, ``Key words for use in {RFCs} to indicate requirement levels,''
  Request for Comments 2119, Internet Engineering Task Force, Mar. 1997.

\bibitem{ISO9511:13818-6}
{ISO/IEC}, ``Information technology -- generic coding of moving pictures and
  associated audio informaiton -- part 6: extension for digital storage media
  and control,'' Draft International Standard ISO 13818-6, International
  Organization for Standardization ISO/IEC JTC1/SC29/WG11, Geneva, Switzerland,
  Nov. 1995.

\bibitem{rfc2327}
M.~Handley and V.~Jacobson, ``{SDP:} session description protocol,'' Request
  for Comments 2327, Internet Engineering Task Force, Apr. 1998.

\bibitem{rfc2246}
T.~Dierks and C.~Allen, ``The {TLS} protocol version 1.0,'' Request for
  Comments 2246, Internet Engineering Task Force, Jan. 1999.

\bibitem{rfc2069}
J.~Franks, P.~Hallam-Baker, J.~Hostetler, P.~Leach, A.~Luotonen, E.~Sink, and
  L.~Stewart, ``An extension to {HTTP} : Digest access authentication,''
  Request for Comments 2069, Internet Engineering Task Force, Jan. 1997.

\bibitem{rfc768}
J.~Postel, ``User datagram protocol,'' Request for Comments 768, Internet
  Engineering Task Force, Aug. 1980.

\bibitem{rfc1151}
C.~Partridge and R.~M. Hinden, ``Version 2 of the reliable data protocol
  {(RDP)},'' Request for Comments 1151, Internet Engineering Task Force, Apr.
  1990.

\bibitem{rfc793}
J.~Postel, ``Transmission control protocol,'' Request for Comments 793,
  Internet Engineering Task Force, Sept. 1981.

\bibitem{rfc2543}
M.~Handley, H.~Schulzrinne, E.~Schooler, and J.~Rosenberg, ``{SIP:} session
  initiation protocol,'' Request for Comments 2543, Internet Engineering Task
  Force, Mar. 1999.

\bibitem{H.323}
{International Telecommunication Union}, ``Visual telephone systems and
  equipment for local area networks which provide a non-guaranteed quality of
  service,'' Recommendation H.323, Telecommunication Standardization Sector of
  ITU, Geneva, Switzerland, May 1996.

\bibitem{rfc1961}
P.~McMahon, ``{GSS-API} authentication method for {SOCKS} version 5,'' Request
  for Comments 1961, Internet Engineering Task Force, June 1996.

\bibitem{Mill9610:Rating}
J.~Miller, P.~Resnick, and D.~Singer, ``Rating services and rating systems (and
  their machine readable descriptions),'' Recommendation
  REC-PICS-services-961031, W3C (World Wide Web Consortium), Boston,
  Massachusetts, Oct. 1996.

\bibitem{Mill9610:PICS}
J.~Miller, T.~Krauskopf, P.~Resnick, and W.~Treese, ``{PICS} label distribution
  label syntax and communication protocols,'' Recommendation
  REC-PICS-labels-961031, W3C (World Wide Web Consortium), Boston,
  Massachusetts, Oct. 1996.

\bibitem{rfc2234}
D.~Crocker, Ed., and P.~Overell, ``Augmented {BNF} for syntax specifications:
  {ABNF},'' Request for Comments 2234, Internet Engineering Task Force, Nov.
  1997.

\bibitem{rfc1123}
R.~Braden and Ed, ``Requirements for internet hosts - application and
  support,'' Request for Comments 1123, Internet Engineering Task Force, Oct.
  1989.

\bibitem{rfc1924}
R.~Elz, ``A compact representation of {IPv6} addresses,'' Request for Comments
  1924, Internet Engineering Task Force, Apr. 1996.

\bibitem{rfc1738}
T.~Berners-Lee, L.~Masinter, and M.~McCahill, ``Uniform resource locators
  {(URL)},'' Request for Comments 1738, Internet Engineering Task Force, Dec.
  1994.

\bibitem{Schu9705:Comprehensive}
H.~Schulzrinne, ``A comprehensive multimedia control architecture for the
  {Internet},'' in {\em Proc. International Workshop on Network and Operating
  System Support for Digital Audio and Video (NOSSDAV)}, (St. Louis, Missouri),
  May 1997.

\bibitem{rfc2279}
F.~Yergeau, ``{UTF-8,} a transformation format of {ISO} 10646,'' Request for
  Comments 2279, Internet Engineering Task Force, Jan. 1998.

\bibitem{rfc1644}
R.~Braden, ``{T/TCP} -- {TCP} extensions for transactions functional
  specification,'' Request for Comments 1644, Internet Engineering Task Force,
  July 1994.

\bibitem{Stev94:TCP}
W.~R. Stevens, {\em {TCP/IP} illustrated: the implementation}, vol.~2.
\newblock Reading, Massachusetts: Addison-Wesley, 1994.

\bibitem{rfc2326}
H.~Schulzrinne, A.~Rao, and R.~Lanphier, ``Real time streaming protocol
  {(RTSP)},'' Request for Comments 2326, Internet Engineering Task Force, Apr.
  1998.

\bibitem{rfc2396}
T.~Berners-Lee, R.~Fielding, and L.~Masinter, ``Uniform resource identifiers
  {(URI):} generic syntax,'' Request for Comments 2396, Internet Engineering
  Task Force, Aug. 1998.

\bibitem{rfc1889}
H.~Schulzrinne, S.~Casner, R.~Frederick, and V.~Jacobson, ``{RTP:} a transport
  protocol for real-time applications,'' Request for Comments 1889, Internet
  Engineering Task Force, Jan. 1996.

\bibitem{rfc1808}
R.~Fielding, ``Relative uniform resource locators,'' Request for Comments 1808,
  Internet Engineering Task Force, June 1995.

\end{thebibliography}
