Interaction of RSVP with ATM for the support of shortcut QoS virtual channels

R. Cocca, M. Listanti, S. Salsano
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引用次数: 1

Abstract

In principle, the interaction of RSVP and ATM should allow us to benefit at the IP level from some features coming from the ATM layer. The most interesting feature is the native support of end-to-end quality of service provided by the ATM. On the other hand, there are issues that must be clarified to define a working solution for the interworking. For example, the possible overlapping between the mechanisms used in the IP level and in the ATM level to support QoS or the needed IP/ATM address resolution mechanism. This paper proposes a solution to exploit ATM shortcut VC supporting the QoS in the Internet integrated service model. A straightforward enrichment to the RSVP protocol is defined, which only impact the devices involved in the shortcut procedure. A mechanism for IP/ATM address resolution is provided, avoiding the use of other mechanisms such as NHRP (next hop resolution protocol).
RSVP与ATM的交互,支持快捷QoS虚拟通道
原则上,RSVP和ATM的交互应该允许我们在IP级别上受益于来自ATM层的一些特性。最有趣的特性是ATM提供的端到端服务质量的本地支持。另一方面,必须澄清一些问题,以便为互连定义一个有效的解决方案。例如,在IP级别和ATM级别中使用的机制之间可能存在重叠,以支持QoS或所需的IP/ATM地址解析机制。本文提出了在Internet综合业务模型中利用ATM捷径VC支持QoS的解决方案。定义了对RSVP协议的简单扩充,它只影响快捷过程中涉及的设备。提供IP/ATM地址解析机制,避免了NHRP(下一跳解析协议)等其他机制的使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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