원문정보
초록
영어
ForCES is a new open programmable architecture, it separates control and forwarding, it also abstracts resources of Forwarding Elements (FE) into some Logical Function Blocks (LFB), Control Element (CE) can reconfigure the forwarding function of FEs by recomposing their LFB chains. Firstly, A SDN architecture based on ForCES is proposed. Then, based on the formalization of the concept of LFB and the traditional I/O matching algorithm, an LFB chain composition method is proposed. This method can combine a series of LFBs to an LFB chain according to special application request. Based on the LFB chain composition algorithm, an improved algorithm is proposed, which can improve the composition efficiency. At last, an example is provided to illustrate how this method works, and a simulation is given to compare the efficiency of the base algorithm and the improved algorithm.
목차
1. Introduction
2. Conceptions and Definitions
2.1. Def. 1 LFB Definition
2.2. Def. 2 Formal Description of LFB
2.3. Def. 3 Containing and Equivalence Relation between Two Concepts
2.4. Def. 4 Containing and Equivalence Relation between two Concept Clusters
2.5. Def. 5 Connectable Relation of Ports
2.6. Def. 6 Succession Relation of LFBs
2.7. Def. 7 LFB Chain Requirement
2.8. Def. 8 Sequential LFB composition
3. Implementation of Composition Method
3.1. Implementation Framework
3.2. Composition Steps
3.3 Composition Algorithm
3.4 An Improved Algorithm
4. Application Example and Analysis
5. Simulation and Test
6. Conclusion
References