ATM Network Performance - download pdf or read online

By George Kesidis (auth.)

ISBN-10: 1475745680

ISBN-13: 9781475745689

ISBN-10: 1475745702

ISBN-13: 9781475745702

ATM community Performance describes a unified method of ATM community administration. the point of interest is on pleasant quality-of-service standards for person B-ISDN connections. For an ATM community of output-buffer switches, the writer describes how the elemental community assets (switch buffer reminiscence and hyperlink transmission bandwidth) may be allotted to accomplish the mandatory quality-of-service connections. The functionality of proposed bandwidth scheduling guidelines is evaluated. either unmarried node and end-to-end functionality effects are given. specifically, those effects are utilized to source provisioning difficulties for prerecorded (stored) video and video teleconferencing. The circulate regulate challenge for on hand bit expense site visitors is additionally defined.
This booklet is meant for a one-term path in functionality of Broadband Integrated-Services electronic Networks (B-ISDNs) in keeping with one of those packet-switched conversation community known as Asynchronous move Mode (ATM). the extent of presentation is on the first 12 months of graduate experiences and for pros operating within the box, however it might be available to senior undergraduates to boot. a few familiarity with ATM criteria is believed as such criteria are just in short defined.
all the required history in discrete-time queueing conception is equipped. workouts are given on the finish of chapters. ideas and/or tricks to chose routines are given in an Appendix.

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2. An approach based on traffic features that exist on different "time scales" can be found in [77]. General effective bandwidth results can be found in [8]. 7 EXERCISES 1. A "cut-through" Lindley process has the following recursion: Xn = max{Xn- 1 + An - I,O}. Show that the cell departure times of this queue satisfy l4 = max{ l4-1 + 1, ail. So, under cut-through, a cell may experience no delay. 2. An "L-pipelined" Lindley process (L E Z+) has the following recursion: Xn = max{Xn- 1 + An-L - 1,O}.

That is, in each frame, FIFO queue 1 uses the first rPIll slots, FIFO queue 2 uses the next rP2/l slots; etc. 3 the frame size is f = 8 and the bandwidth allocations are PI = 1/10, P2 = 1/4 and P3 = 1/6. ells per unit time. 3, the reserved departure epochs are labeled with the queue's index. , not work-conserving. Idling round-robin scheduling is also known as "time-division multiplexing" (TDM). , work-conserving. 1 A WRR FIFO queue with bandwidth allotment P has a minimum-bandwidth property with parameter Proof: A "worst-case" situation is obtained by assuming that the first cell 1 ABR connections with zero allowed cell rate, see Chapter 5.

2 If an arrival process {An} is the superposition of K arrival processes, where the kth arrival process is (lTk,Pk)constrained for all k E {I, 2, ... 3 Pk) - constrained. k=l OBTAINING (a,p)-CONSTRAINTS VIA LEAKY BUCKETS In this section we will see how leaky buckets are used to filter arrival processes so that they satisfy (IT, P)-constraints. 2. Let {ai} be the cell arrival times process to the cell buffer. There are three parameters associated with a leaky bucket: the cell buffer capacity, the token buffer capacity of a tokens, and the constant token arrival rate of p tokens per unit time.

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ATM Network Performance by George Kesidis (auth.)

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