疑似CBR-VCコネクションを保証するVPシェーバーによるサーキットエミュレーション方式

概要

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This report proposes a VP-shaper that can regenerate jittered CBR VCs into quasi CBR VCs for ATM's circuit emulation services. For a quasi CBR VC, the time interval between two adjacent cells on the VC has small variations and is close from the ideaI cell time interval T0_<vc_>. For circuit emulation services, a large variation of the cell time interval should be compensated with a large buffer at the receiving end-user. Time sensitive services require a small buffer, and in that case, a higher cell loss rate is yielded. The proposed shaper can tightly control clumping at the VC level and reduces VC diffusion. VC clumping occurs when the time interval between two adjacent cells on a VC is smaller than T0_<vc_>. VC diffusion occurs when the cell time interval on the VC is larger than T0_<vc_>. Compared with conventional shapers, the proposed shaper also increases the network efficiency.
社団法人電子情報通信学会の論文
1994-09-26