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An Extended Agent-Based Mechanism For Testing Service Function Chain

Network functions virtualization (NFV) is a new manner to virtualize entire classes of network node functions to create network services. The network functions of an NFV network do not require any dedicated hardware. NFV brings advantages to deploy network service. They only need a general server to be implemented and executed. Moreover, NFV has an important concept that is the service functions chain (SFC). It includes more than one network functions that work together to form a network service. The SFCs need to be evaluated performance and functional to ensure reliability and dependability. Although the previous work they proposed an agent-based mechanism for testing SFC, they only test the SFC on Layer 4. In the paper, we will implement the mechanism on Layer 7 to evaluate the reliability and dependability of the previous works.