The integration of network function virtualization (NFV) and software defined networks (SDN) seeks to create a more flexible and dynamic software-based network environment. The line between entities involved in forwarding and those involved in more complex middle box functionality in the network is blurred by the use of high-performance virtualized platforms capable of performing these…
Category: OMNET++ PROJECT CENTER
Scalable application-aware resource management in software defined networking
SDN architecture based on separation of control and data plane in network devices enables realization of network programmability and application-aware networking. In this paper, we point out that the information of how applications are using network resources is ignored in modern SDN solution and should be recorded in application-aware SDN. We stress the importance of mapping applications tonetwork resources and maintaining such mapping…
PAM: An efficient power-aware multi-level cache policy to reduce energy consumption of Software Defined Network
Nowadays energy consumption is one of the most significant aspects in Internet operations, where multi-level routing is widely used. In a typical hierarchical router cache structure, the upper level storage serves as a cache for the lower level, which forms a distributed multi-level cache system. In the past two decades, several classic LRU-based multi-level cache…
Exploring the effects of monitoring and flow-rule timeout durations on load balancing in software defined networks
As more complex and distributed applications come into play in today’s Internet architecture, the need to have the adequate network architecture to support them with greater speed at lower costs has gained importance. Evolution in the nature of the applications have started to put significant stress on the networks and data centers which have to accommodate the demands of…
Software-defined transceivers for dynamic access networks
Software-defined transceivers are about to be established in long-haul optical communications. But will they be of equal importance in dynamic access networks? And which technology seems most promising?
Performance Evaluation of Software Defined and Cognitive Wireless Network Based Disaster Resilient System
Through the information network recovery experience on the East Japan Great Earthquake on March 11, 2011, we learned that the combination of various existing wireless network technologies such as satellite IP network, 3G/LTE, Wi-Fi was useful in term of network connectivity. In this paper, by integrating those wireless networks into a cognitive wireless network, user can use this cognitivenetwork as an access network to Internet by selecting the…
Securing software defined networks: taxonomy, requirements, and open issues
The emergence of SDNs promises to dramatically simplify network management and enable innovation through network programmability. Despite all the hype surrounding SDNs, exploiting its full potential is demanding. Security is still the key concern and is an equally striking challenge that reduces the growth of SDNs. Moreover, the deployment of novel entities and the introduction of several architectural components…
Real-time demonstration of software-defined Elastic interface for flexgrid networks
We demonstrate a real-time Elastic Interface for future flex-grid networks with a software-definedsymbol rate transmission. Using PDM-QPSK modulation, live experiments show a line rate adaptation from 10.7 to 107Gbit/s with a sub-millisecond reconfiguration time.
A design of 10 Gigabit Capable Passive Optical Network(XG-PON1) architecture based on Software Defined Network(SDN)
A SDN-based XG-PON1 Network Architecture is proposed.A XG-PON1 includes many management technologies that is ONU Management, DHCP Server Management, AAA Server Management, OLT Switch Control, PIU(PON Interface Unit) Control, and OMCI.We proposed a SDN-based XG-PON1 Architecture to manage these functions.
Software-defined, virtualized networking and beyond 100G
Network Virtualization is coming to play the important role in network architecture because there are many flexible resources are available in ICT infrastructure. In this paper, we describe state-of-the-art challenges to be forced in implementing network virtualization functions and several use cases of utilizing network virtualization to get more value than is provided by using existing network architecture. We also discuss the future direction…