Designing a practical ATM LAN

Biagioni, Edoardo; Cooper, Eric C.; Sansom, Robert D.

doi:10.1109/65.216904

Cited by 70 publications

(20 citation statements)

References 4 publications

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“…Much emphasis has been placed on the need for fast packet switches as a means of enabling the high transport speeds of ATM [Biagioni (1993), Fan (1994)]. This need for fast packet switches has brought about the philosophy that switches with the simplest, yet efficient , architectures are the most desireable.…”

Section: Discussion Of Resultsmentioning

confidence: 99%

“…This need for fast packet switches has brought about the philosophy that switches with the simplest, yet efficient , architectures are the most desireable. The ideal architecture which has been cited is one which provides either no input buffering (or an input buffering scheme which does not have the 'head-of-line' blocking problem) and buffers at each output port [Biagioni (1993), Mandeville (1995)]. This appears to have been the philosophy behind the switch architecture of the Fore Systems ATM switches.…”

Section: Discussion Of Resultsmentioning

confidence: 99%

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The Effect of Various ATM Switch Architectures on VBR Video Performance

Tsang

Hsieh

1997

High Performance Networking VII

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One of the most important components of an Asynchronous Transfer Mode (ATM) network is the switch. Switch design is not a part of the ATM standards so vendors use a wide variety of techniques to build their switches. In this paper, we present experimental results of switching and multiplexing real-time Variable Bit Rate (VBR) digital video traffic (JPEG, MPEG-l, and MPEG-2) through two different ATM switch architectures. Real-time VBR traffic, such as digital video, is particularly interesting due to its high demands in terms of bandwidth, real-time delivery and processing requirements. Our experiments show that the 'fastest' switches, i.e., lowest latencies, do not necessarily perform better when transmitting VBR video. The impact of the high speed network components' characteristics, such as switch fabric architecture, buffering strategies, and higher layer transport protocols (i.e., UDP, TCP lIP), are illustrated through the experimental results.

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Section: Discussion Of Resultsmentioning

confidence: 99%

Section: Discussion Of Resultsmentioning

confidence: 99%

The Effect of Various ATM Switch Architectures on VBR Video Performance

Tsang

Hsieh

1997

High Performance Networking VII

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“…Once station i has finished using a slot and ti,3 fires, a token is put back into k 0' signifying that the slot is available, and a token is put back into Pi, 1, signifying that this station has finished using the ring and may make another request. The operation sketched can be used to model systems with source as well as with destination release by adjusting the time it takes to fire transitions ti, 3. In all cases, immediate reuse of the slot by the releasing station is possible.…”

Section: An Spn Model Without Product-form Solutionmentioning

confidence: 99%

“…Especially when large distances need to be covered, or when high transmission speeds are involved, such networks are known to behave in an attractive way, both from the user point of view (in terms of throughput and delay characteristics) and from a system efficiency point of view (not much of the available bandwidth is wasted) [28,29]. With the advent of B-ISDN and ATM, slotted-ring networks become of special interest, for example, as interconnection structure within ATM switches [3,4,20,25].…”

Section: Introductionmentioning

confidence: 99%

A mean-value analysis of slotted-ring network models

Coyle

Haverkort

Henderson

et al. 1996

Telecommunication Systems

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In this paper, we analyse Stochastic Petri Net (SPN) models of slotted-ring networks. We show that a simple SPN model of a slotted-ring network, which exhibits a productform solution, yields similar results to a more detailed SPN model that has to be analysed by numerical means. Furthermore, we demonstrate a Mean-Value Analysis (MVA) approach to calculate efficiently the results for the simple model. This MVA approach allows for the movement of groups of tokens (customers) rather than just individual customers, as traditional MVA schemes for queueing network models do. Also, the MVA allows for non-disjoint place invariants, whereas previous MVA schemes addressed disjoint place invariants only. From the MVAs, it can be concluded that slottedrings have very attractive performance characteristics, even under overload conditions (there is no "thrashing"). Also, we found that the choice of the slot size is a key factor in calibrating slotted-ring systems for optimal performance. Having a fast and reasonably accurate means available to evaluate the performance of slotted-ring systems, such as our proposed MVA, eases this calibration task. The proposed MVA for the productform SPN models should therefore be regarded as a "quick engineering" tool.

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“…With the first commercially available asynchronous transfer mode (ATM) switches, ATM network adaptors, and ATM local area network (LAN) solutions in the early 1990s [2], ATM gained a substantial stimulus and attracted the broad attention of numerous universities and research labs. Within less than a decade, A TM matured to a established technology in both LAN, and WAN environments, mainly because of the high bandwidth offered and the Quality of Services (QoS) guarantees.…”

Section: Introductionmentioning

confidence: 99%

ATM Security

Leitold¹

2000

IFIP Advances in Information and Communication Technology

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Abstract:With the increasing deployment of asynchronous transfer mode (ATM) in both local area network (LAN), and wide area network (WAN) environments the interest in secure means of transferring sensitive information over A TM increases. Given potential application fields requiring Quality of Services (QoS) provided by ATM, as divers as transferring medical images, linking branch offices to company networks, or governmental networks transferring sensitive citizen information, security is not only a desired option, it is rather an indispensable necessity. The weakness of solutions to security in ATM networks has been recognised early. Cryptography is the tool of choice to achieve secure communications and a couple of proposals appeared to integrate cryptographic functions into ATM. Products have been developed which at the beginning faced the uncertainty of missing standards frameworks. However, this issue has been made up, as the ATM Forum has recently approved the Security Specification 1.0 which is an fact a comprehensive standardisation effort building the buttress for interoperable products. In this tutorial, the ATM security arena is surveyed. It first gives an explanatory overview of A TM as a technology and addresses the challenges specific to A TM when aiming to migrate ATM to a secure infrastructure. Basing on these challenges, promising approaches to achieve security in ATM networks are described. By assessing the specific advantages and disadvantages, a comparison of the approaches against the ATM Forum Security Specification is made. In its final part, the tutorial surveys products

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Designing a practical ATM LAN

Cited by 70 publications

References 4 publications

The Effect of Various ATM Switch Architectures on VBR Video Performance

The Effect of Various ATM Switch Architectures on VBR Video Performance

A mean-value analysis of slotted-ring network models

ATM Security

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