Program Synthesis for Programmable Data Planes: Generating P4 code by input-output examples

An all-important step in the ambitious pursuit towards autonomous networks has been the introduction of Software Defined Networking which has advocated the concept of separating a network’s control plane from the data plane and creating a programmable controller with a wider view of the network. This innovation proved to be very promising, but...

Online Survivability in Software Defined Elastic Optical Networks

With the high and varying demands for network bandwidth, Elastic Optical Networks (EON), as a promising solution for future optical transport networks, have been getting increased attention due to its flexibility and efficiency. As a huge amount of data is transformed over these networks, even short failures will lead to major data loss. Network...

Investigating current state Security of OpenFlow Networks: Focusing on the control-data plane communications

Software-Defined Networking (SDN) is the emerging paradigm that breaks vertical integration in networks, separating the network’s control logic from the underlying network devices such as routers and switches.<br/>The decoupling of this data plane and control plane, there is need for a new communication channel which is used for the communication...

Delftvisor: A network hypervisor for Openflow 1.3: Network virtualization for Openflow 1.3

Openflow is the emerging standard for Software Defined Networking, it allows users to perform routing and run their applications on the network. Such applications can perform diverse tasks such as making Quality of Service guarantees and monitoring/firewalling the network.<br/><br/>Most companies don't actually own datacenters and servers...

Providing End-to-end Bandwidth Guarantees with OpenFlow

QoS (Quality of Service) control is an important concept in computer networking as it is related to end user experience. End-to-end QoS guarantees, in particular, can give firm guarantees to end hosts. Unfortunately, it has never actually been used on the Internet since it was deemed too complicated. With the emergence of Software Defined...

Ethernet Circuit Failure Detection over Aggregated Trunks

With the increase in data-intensive research in recent years, the Ethernet circuit, which is a high speed point-to-point connection, can be used for transmitting large amounts of data between sites. Customers use the trunk port to connect to the operator network. It allows multiple Ethernet circuits to share the same trunk port by using the...

Network-as-a-Service Architecture with SDN and NFV: A Proposed Evolutionary Approach for Service Provider Networks

The Internet continues to grow exponentially with proliferation of devices and users being connected to it along with an exploding demand for various resource and performance intensive network services like multimedia content distribution, security, mobility, and machine-to-machine (M2M) communications. However, the current TCP/IP (Transmission...

Value creation through network infrastructure automation: The Software-Defined Networking Technology and its business model from the IT service provider’s perspective

Our research is exploring how the computer network technology of Software-Defined Networking (SDN) can benefit an IT service provider. SDN is a novel technology that is capable of managing a whole network based on a single centralized entity. As a result an SDN enabled network becomes more flexible, automatable and programmable to satisfy users’...

Increasing robustness of Software-Defined Networks

In this thesis, an overview on performed research is given to investigate possible enhancements and solutions to enable SDN as future network paradigm. Currently, beside robustness, problems exist on scalability and security with the application of SDN to current network infrastructures. On robustness, current research do not provide the...