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Topic: RTP

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	RTP: Some Frequently Asked Questions about RTP
		RTP provides functionality suited for carrying real-time content, e.g., a timestamp and control mechanisms for synchronizing different streams with timing properties.
		RTP does not contain a length field, that is, it assumes that framing is performed by the underlying protocol and that only one RTP packet is to be carried in one PDU of the underlying protocol.
		RTP (in particular, the data part) is tightly coupled to the application, so that a kernel implementation makes little sense.
	www.cs.columbia.edu /~hgs/rtp/faq.html (5502 words)

	RFC 3550 (rfc3550) - RTP: A Transport Protocol for Real-Time Applications
		All participants in an RTP session may share a common destination transport address pair, as in the case of IP multicast, or the pairs may be different for each participant, as in the case of individual unicast network addresses and port pairs.
		Instead, for each medium the RTP timestamp is related to the sampling instant by pairing it with a timestamp from a reference clock (wallclock) that represents the time when the data corresponding to the RTP timestamp was sampled.
		RTP Control Protocol -- RTCP The RTP control protocol (RTCP) is based on the periodic transmission of control packets to all participants in the session, using the same distribution mechanism as the data packets.
	www.faqs.org /rfcs/rfc3550.html (18685 words)

	RFC 1889 (rfc1889) - RTP: A Transport Protocol for Real-Time Applications (Site not responding. Last check: 2007-11-06)
		If RTP packets are to be carried in an underlying protocol that provides the abstraction of a continuous octet stream rather than messages (packets), an encapsulation of the RTP packets must be defined to provide a framing mechanism.
		RTP data header additions: Additional fields may be appended to the fixed RTP data header if some additional functionality is required across the profile's class of applications independent of payload type (Section 5.3).
		RTP data header extensions: The contents of the first 16 bits of the RTP data header extension structure must be defined if use of that mechanism is to be allowed under the profile for implementation-specific extensions (Section 5.3.1).
	www.faqs.org /rfcs/rfc1889.html (18156 words)

	RFC 1889 - RTP: A Transport Protocol for Real-Time Applications. Audio-Video Transport Working Group, H. Schulzrinne, ...
		RFC 1889 RTP January 1996 All header data is aligned to its natural length, i.e., 16-bit fields are aligned on even offsets, 32-bit fields are aligned at offsets divisible by four, etc. Octets designated as padding have the value zero.
		RFC 1889 RTP January 1996 5.3 Profile-Specific Modifications to the RTP Header The existing RTP data packet header is believed to be complete for the set of functions required in common across all the application classes that RTP might support.
		RFC 1889 RTP January 1996 The format of the receiver report (RR) packet is the same as that of the SR packet except that the packet type field contains the constant 201 and the five words of sender information are omitted (these are the NTP and RTP timestamps and sender's packet and octet counts).
	rfc.sunsite.dk /rfc/rfc1889.html (17594 words)

	RFC 2190 (rfc2190)
		RTP is defined by the Internet Engineering Task Force (IETF) to provide end-to-end network transport functions suitable for applications transmitting real-time data over multicast or unicast network services.
		Zhu Standards Track [Page 4] RFC 2190 RTP Payload Format for H.263 Video Streams September 1997 3.4 Macroblock Address As specified by H.261, a macroblock address (MBA) is encoded with a variable length code to indicate the position of a macroblock within a group of MBs in H.261 bitstreams.
		For H.263 video streams, the RTP timestamp is based on a 90 kHz clock, the same as the RTP timestamp for H.261 video streams [5].
	www.cse.ohio-state.edu /cgi-bin/rfc/rfc2190.html (3660 words)

	[No title]
		Schulzrinne, et al Standards Track [Page 9] RFC 1889 RTP January 1996 All header data is aligned to its natural length, i.e., 16-bit fields are aligned on even offsets, 32-bit fields are aligned at offsets divisible by four, etc. Octets designated as padding have the value zero.
		Schulzrinne, et al Standards Track [Page 13] RFC 1889 RTP January 1996 5.3 Profile-Specific Modifications to the RTP Header The existing RTP data packet header is believed to be complete for the set of functions required in common across all the application classes that RTP might support.
		Schulzrinne, et al Standards Track [Page 53] RFC 1889 RTP January 1996 RTP data header extensions: The contents of the first 16 bits of the RTP data header extension structure must be defined if use of that mechanism is to be allowed under the profile for implementation-specific extensions (Section 5.3.1).
	www.ietf.org /rfc/rfc1889.txt (17917 words)

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		RTP Company maintains global networks of sales representatives and manufacturing facilities to support the OEM and molding communities.
		RTP Company takes honors for emerging technologies of the year in specialty plastic compounds
	www.rtpcompany.com (267 words)

	Real-Time Transport Protocol - a Whatis.com definition - see also: RTP (Site not responding. Last check: 2007-11-06)
		RTP does not in itself guarantee real-time delivery of multimedia data (since this is dependent on network characteristics); it does, however, provide the wherewithal to manage the data as it arrives to best effect.
		Information in the RTP header tells the receiver how to reconstruct the data and describes how the codec bit streams are packetized.
		Compressed RTP (CRTP), specified in RFC 2509, was developed to decrease the size of the IP, UDP, and RTP headers.
	searchnetworking.techtarget.com /sDefinition/0,,sid7_gci812019,00.html (384 words)

	RTP - voip-info.org
		RTP is able to carry media identified by parameters registred by the Internet assigned numbers authority, IANA.
		If one of the parties involved in the session is on a private IP address, that stream from the public client to the NAT box, will not be allowed to reach the client on the inside of the NAT.
		To handle this, Symmetric RTP is often used.
	www.voip-info.org /wiki-RTP (588 words)

	[No title]
		[RFC3551] RTP Payload Format MIME types ============================= In addition to the RTP payload formats (encodings) listed in the RTP Payload Types table, there are additional payload formats that do not have static RTP payload types assigned but instead use dynamic payload type number assignment.
		In addition, for the payload formats listed in the RTP Payload Types table above, the "encoding name" is also registered as a MIME subtype under the media type "audio" or "video".
		RTP SDES item types =================== The RFC "RTP: A Transport Protocol for Real-Time Applications" [RFC3550] specifies an initial set of "item types" for the RTCP SDES control packet.
	www.iana.org /assignments/rtp-parameters (850 words)

	Audio/Video Transport (avt) Charter
		RTP Payload Format for H.263 using RFC2190 to Historic status (10423 bytes)
		RTP Payload Format for European Telecommunications Standards Institute (ETSI) European Standard ES 201 108 Distributed Speech Recognition Encoding (RFC 3557) (0 bytes)
		RTP Payload Formats for European Telecommunications Standardsv Institute (ETSI) European Standard ES 202 050, ES 202 211, and ES 202 212 Distributed Speech Recognition Encoding (RFC 4060) (0 bytes)
	www.ietf.org /html.charters/avt-charter.html (1347 words)

	Research Triangle Park :: RTP In the News
		U.S. EPA's RTP Campus Recognized as Parent-Friendly Workplace by Carolina Parenting Inc.
		RTP Underwriters Laboratories Holds Open House to Kick Off NC Consumer Safety Month
		RTP Owners and Tenants Host First Elected Officials Orientation
	www.rtp.org /index.cfm?fuseaction=in_the_news (1324 words)

	Research Triangle Park
		Network Appliance Expands to New Facility in RTP
		Cisco To Unveil New Education, Development Center in RTP
		2 Hanes Drive • P.O. Box 12255 • RTP, NC U.S.A. 27709 • Phone: 919-549-8181 • Fax: 919-549-8246
	www.rtp.org (43 words)

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