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The application of SDN and OpenFlow in a production network will face the challenges of integration with legacy routers and legacy control and management protocols. Our contribution is to preserve distributed basic functions in legacy network devices and improve central control on complex functions with OpenFlow. This paper describes a refactoring process of an intra-AS source address validation from...
Cloud monitoring involves dynamically tracking the Quality of Service (QoS) parameters related to virtualized services (e.g., CPU, storage, network, appliances, etc.), the physical resources they share, and the applications running on them or data hosted on them. Monitoring techniques and services can help a cloud provider or application developer in regards to: (i) keeping the cloud services and...
Manual reboot is required in case of switch halt, and in-band management which through Simple Network Management Protocol is disabled. In case of switch failure, the system initiates a self-debugging procedure out-of-band via the console. When the breakdown is beyond the capacity of the self-debugging procedure, the system informs the network center via GPRS. This system has undergone testing in the...
With the rapid growth of cloud computing, a great number of servers are deployed in a data center to provide virtual machines to a variety of users. Several virtualization techniques have been developed in the recent years. Platforms for virtual machines, e.g. VMware, Xen, KVM, and VirtualBox, may adopt different virtualization techniques for particular purposes. This leads to a heterogeneous virtual...
When developing a network management system, the developer is faced with many choices concerning how to interact with the network resources and how to embed into the schema of manager agent architectures. In this paper we propose NMX (Network Management Extensions), a software framework implementation based on Java JMX (Java Management Extensions) technology and SNMP (Simple Network Management Protocol)...
With the development of the computer network, and the great change in the demands of network management, any Network Management System is a process of development and perfection. Therefore, designing a rational system structure is the foundation to ensure the good scalability of the system. The main issues and characteristics of Network Management in Campus Network at present were analyzed in the...
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