System support for dynamic QOS control of continuous media communication

Chou, Stephen T.-C.; Tokuda, Hideyuki

doi:10.1007/3-540-57183-3_34

Cited by 10 publications

(2 citation statements)

References 7 publications

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“…A number of protocols have explored sender-based reservations, including ST-H+ [30] and its predecessors, RTIP and RCAP [31] and CBSRP [32]. ST-II+ replaced IP with a new, connection-oriented Internet protocol and integrated resource reservation with establishing connectivity, thus making the smooth transition between reserved and best effort flows more difficult.…”

Section: Related Workmentioning

confidence: 99%

Yessir

Pan¹,

Schulzrinne

1999

SIGCOMM Comput. Commun. Rev.

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RSVP has been designed to support resource reservation in the Internet. However, it has two major problems: complexity and scalability. The former results in large message proceasing overhead at end systems and routers, and inefficient firewall processing at the edge of the network. The latter implies that in a backbone environment, the amount of bandwidth consumed by refresh messages and the storage space that is needed to support a large number of flows at a router are too large. We have developed a new reservation mechanism that simplifies the process of establishing reserved flows while preserving many unique features introduced by RSVP. Simplicity is measured in t~ms of control message processing, data packet processing, and nser-level flexibility. Features such as robustness, advertising network service availability and resource sharing among multiple senders are also supported in the proposal.The proposed mechanism, YESSIR (YEt another Sender Session Internet Reservations) generates reservation requests by senders to reduce the processing overhead, builds on top of RTCP, uses soft state to maintain reservation states, supports shared reservation and associated flow merging and is compatible with the IETF Integrated Services models.YESSIR extends the all-or-nothing reservation model to support partial reservations that improve over the duration of the session.To address the scalability issue, we investigate the possibility of using YESSIR for per-stream reservation and RSVP for aggregate reservation. *P. Pan is with the Bell Laboratories, 101 Crawfords Corner Road, Holmdel, NJ 07733. pingpan@dnrc.belt-labs.com. This work was done while he was with the IBM Thomas J. Watson Research Center.tH. Schulzrinne is with the

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Section: Related Workmentioning

confidence: 99%

Yessir

Pan¹,

Schulzrinne

1999

SIGCOMM Comput. Commun. Rev.

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“…One such system, using the Capacity Based Session Reservation Protocol (CBSRP), maintains temporal data relationships of multimedia presentations by using the characteristics of an FDDI network and a real-time operating system called ARTS [32,7]. Similar to the LAP scheduler, resource scheduling and management is performed to ensure that the proper resources are available for data playout.…”

Section: Figure 1: An Example Of Multimedia Data Presentationmentioning

confidence: 99%

The use of network delay estimation for multimedia data retrieval

Gibbon

Little

1996

IEEE J. Select. Areas Commun.

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Multimedia data have specific temporal presentation requirements. For example in video conferencing applications voice and images of participants must be delivered and presented synchronously. These requirements can be achieved by scheduling or managing system resources. We present a technique called limited a priori scheduling (LAP) to manage the delivery channel from source to destination for digital multimedia data. By using delay estimation a LAP scheduler can retrieve stored digital media spanning arbitrary networks with unspecified delays. The use of delay estimation also facilitates selective degradation of service in bandwidth and buffer limited situations. Such degradation enables the continuous real-time playout and synchronization of various media arriving from different sources. The performance of the LAP scheduler is described based on implementation and experimentation using Ethernet.

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Dynamic QOS control based on real-time threads

Tokuda

Kitayama

1994

Network and Operating System Support for Digital Audio and Video

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System support for dynamic QOS control of continuous media communication

Cited by 10 publications

References 7 publications

Yessir

Yessir

The use of network delay estimation for multimedia data retrieval

Dynamic QOS control based on real-time threads

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