This paper describes a study on the feasibility of using com-mercial off -the -shelf （COTS） hardware for telecom equip-ment. The study outlines the conditions under which COTS hardware can be utilized in a network f...This paper describes a study on the feasibility of using com-mercial off -the -shelf （COTS） hardware for telecom equip-ment. The study outlines the conditions under which COTS hardware can be utilized in a network function virtualization environment. The concept of silent -error probability is intro-duced to account for software errors and/or undetectable hard-ware failures, and is included in both the theoretical work and simulations. Silent failures are critical to overall system availability. Site -related issues are created by combined site maintenance and site failure. Site maintenance does not no-ticeably limit system availability unless there are also site fail-ures. Because the theory becomes extremely involved when site failure is introduced, simulation is used to determine the impact of those facts that constitutes the undesirable features of using COTS hardware.展开更多
文摘This paper describes a study on the feasibility of using com-mercial off -the -shelf （COTS） hardware for telecom equip-ment. The study outlines the conditions under which COTS hardware can be utilized in a network function virtualization environment. The concept of silent -error probability is intro-duced to account for software errors and/or undetectable hard-ware failures, and is included in both the theoretical work and simulations. Silent failures are critical to overall system availability. Site -related issues are created by combined site maintenance and site failure. Site maintenance does not no-ticeably limit system availability unless there are also site fail-ures. Because the theory becomes extremely involved when site failure is introduced, simulation is used to determine the impact of those facts that constitutes the undesirable features of using COTS hardware.
