A Buffer Management Scheme with Scalable Priorities (SPAS) for Multi-QoS Services in ATM Switching Systems

Jisoo PARK  Changhwan OH  JeeHwan AHN  Jeong-A LEE  Kiseon KIM  

IEICE TRANSACTIONS on Communications   Vol.E82-B   No.4   pp.655-659
Publication Date: 1999/04/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Switching and Communication Processing
ATM,  switching system,  cell management,  QoS,  

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An ATM buffer management scheme with logically separated buffers is proposed to guarantee various Quality of Services such as CBR, rt-VBR, nrt-VBR, ABR, and UBR and to make efficient use of system resources in ATM switching systems. By assigning proper priorities based on the count indicator (CI) and the time indicator (TI), respectively, the scheme can afford ABR services without cell loss and real-time services with controllable delay.