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Recursive Layering of Forwarding on Gates and Traffic Engineering Middleware for Ethernet

Authors:
Dr.-Ing. Florian Liers
Markus Hager
Sebastian Schellenberg
Univ. Prof. Dr. rer. nat. habil. Jochen Seitz
Typ:
Conferences
Status:
accepted
Date of publication
01/27/2013
Abstract:
Quality of Service (QoS) for inter-networks requires a two-tier approach to separate the end-to-end communication from the QoS provisioning within each autonomous system. However, the interaction between both is not standardized. Fur-thermore, the solutions for both tiers lack either scalability, flexi-bility, or QoS guarantees. Our paper presents a combination of “Forwarding on Gates” (FoG) as inter-network and “Traffic Engineering Middleware for Ethernet” (TEME) as intra-network techniques. This combination incorporating a recursive layer model separates the layers based on their scope and not on their functionality. This paper proposes a single interface used by all layers. Furthermore, the same interface is used by applications in order to signal their QoS requirements. This design allows sup-porting QoS in a more consistent way as compared to the ISO/OSI layer model. The paper outlines the proposal theoreti-cally and demonstrates the advantages with an example.
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