Software-defined networking separates the control and forwarding planes of a network to make it more programmable application- aware. As one initial implementations SDN, OpenFlow abstracts device as flow table realizes processing by applying "match-and-act" principle. However, protocol-dependent nature still limits programmability plane. Hence, in this article, we discuss how leverage protocol-oblivious (POF) further enhance such that plane becomes protocol-independent can be dynamically...

Recently, to adapt the various quality-of-service (QoS) requirements of emerging applications, application-driven network slicing has attracted intensive interests. In this paper, we apply idea software-defined wireless virtualization (WiNV) WiFi networks and design demonstrate a novel system, namely, ADE <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> WiNFV. The proposed system can orchestrate WiNV with...

Software-defined networking (SDN) has been considered as a break-through technology for the next-generation Internet. It enables fine-grained flow control that can make networks more flexible and programmable. However, this might lead to scalability issues due possible state explosion in SDN switches. SDN-based source routing reduce volume of flow-tables significantly by encoding path information into packet headers. In paper, we leverage protocol-oblivious forwarding instruction set design...

Application-driven networks (ADNs) aim to build logically separate virtual (VNs) meet the distinct demands of different applications. In this paper, we study how realize on-demand slicing application-driven software-defined elastic optical (vSD-EONs) based on concept ADN. We design network system for vSD-EON and demonstrate building operating vSD-EONs with it experimentally. Specifically, our experimental demonstrations consider three scenarios: (1)&#x00A0;the tenant&#x2019;s application...

In this paper, we study the service provisioning schemes for dynamic advance reservation (AR) multicast requests in elastic optical networks (EONs). We first propose several algorithms that can handle scheduling and routing spectrum assignment (RSA) of AR jointly, including an integrated two-dimensional fragmentation-aware RSA (2D-FMA) alleviate 2D fragmentation caused by light-tree provisioning. Then, leverage idea software-defined EONs (SD-EONs) utilizes OpenFlow (OF) control plane to...

We propose and experimentally demonstrate a control-plane framework to realize online spectrum defragmentation (DF) in software-defined elastic optical networks. Experimental results show that the DF enabled by OpenFlow reduces blocking probability effectively.

Nowadays, it is common for service providers (SPs) to leverage hybrid clouds improve the quality-of-service (QoS) of their Big Data applications. However, achieving guaranteed latency and/or bandwidth in its cloud, an SP might desire have a virtual datacenter (vDC) network, which can manage and manipulate network connections freely. To address this requirement, we design implement slicing orchestration (NSO) system that create expand vDCs across optical/packet domains on-demand. Considering...

It has already been confirmed that software-defined networking (SDN) can make the networks more programmable, adaptive and application aware. However, due to large-scale geographically-distributed nature of wide-area (WAN), scalability could become a critical issue if we incorporate SDN for WANs (i.e., realizing SD-WANs). In this paper, design implement novel network system leverage source routing with protocol-oblivious forwarding (POF) facilitate efficient e-Health data transfers low setup...

We design and implement a novel network virtualization hypervisor (NVH), which leverages source routing (SR) provides programmability based on the protocol-oblivious forwarding flow instruction set (POF-FIS), to realize protocol-independent virtual software-defined networks (vSDNs). The NVH, namely SR-PVX, uses SR-based mechanism ensure that substrate switches can process packets from vSDNs with very small flow-table consumption. architecture, packet format, processing procedure, them...

In this paper, we design and implement a distributed network virtualization hypervisor (NVH) system, namely, DPVisor, which can provide superior programmability based on protocol-oblivious forwarding to realize highly-available, scalable, protocol-independent virtual software-defined slicing. The experimental comparisons indicate that DPVisor achieves comparable performance as ONVisor (i.e., an OpenFlow-based ONOS benchmark), in terms of the message processing latency, throughput, failure...

With the development of software-defined networking (SDN), people start to realize that protocol-dependent nature OpenFlow, i.e., matching fields are defined according existing network protocols (e.g., Ethernet and IP), will limit programmability forwarding plane cause scalability issues. In this work, we focus on Protocol-Oblivious Forwarding (POF) [1], which can make reconfigurable, programmable future-proof with a protocol-independent instruction set. We design implement POF-based...

In this letter, we present flexible traffic engineering (F-TE), a solution to achieve highly efficient in hybrid network where IPv4 and IPv6 protocols co-exist. By leveraging the programmability of OpenFlow (OF), design OF system facilitate IP forwarding interchanging (i.e., switching packets between at each hop according status). The is implemented real testbed. We conduct experiments with video streaming verify that proposed F-TE can improve throughput effectively adaptive interchanging.

Software-defined networking (SDN) is a promising technology that can resolve the challenges faced by vehicular networks. However, OpenFlow-based SDN implementations only provide protocol-dependent data plane. This restrict effectiveness of software-defined networks, since special-purpose protocols have not been standardized in OpenFlow specifications are used frequently To address this issue, paper studies how to realize protocol-independent plane leveraging protocol oblivious forwarding...

It is known that software-defined networking (SDN) can support effective traffic engineering (TE) with the global view of networks. Hence, OpenFlow was used to realize flow-based TE. However, there a tradeoff between volume installed flow entries and granularity Moreover, protocol-dependent nature might limit flexibility adaptivity In this paper, we leverage protocol-oblivious forwarding technology make each switch work as protocol-independent white box utilize its plane programmability...

We study how to embed virtual software-defined networks (vSDNs) cost-effectively over a substrate network with distributed virtualization hypervisors (NVHs) for datacenter (vDC) formulation support Big Data applications. Specifically, we try jointly optimize the embedding schemes of control and data planes each vSDN, i.e., minimize plane's resource consumption limit number NVHs used in plane simultaneously. first formulate an integer linear programming (ILP) model solve problem exactly, then...

It is known that by combining network virtualization with software-defined (SDN), people can realize virtual SDNs (vSDNs) for enhanced programmability, adaptivity and cost-effectiveness. Meanwhile, protocol-oblivious forwarding (POF) overcome the protocol-dependent restriction of Open-Flow provide a more generic abstraction model elements in to protocol-independent data plane. In this work, we design flow-table module, i.e., PVFlow, resource-efficient POF-based vSDNs. To fully explore...

In the Internet, to enable emerging network services such as e-Health be delivered numerous people anytime and anywhere, mobility management plays an important role. this work, we leverage protocol-oblivious forwarding (POF) design a novel system that can realize highly-efficient overcome drawbacks of existing approaches. Moreover, explore plane programmability provided by POF dynamic virtual function (vNF) deployment for traffic adaption. We implement our conduct experiments verify it...

In this paper, we propose to use IP-forwarding interchanging (i.e., exchanging packets between IPv4 and IPv6 according the network status) enabled by OpenFlow realize quality-of-service (QoS) aware flexible traffic engineering (F-TE) in a hybrid where coexist. Specifically, have different IP domains interconnected switches managed centralized controller, design system facilitate online, adaptive per-flow-based for link utilization optimization with considerations on applications' QoS...

With the development of software-defined networking (SDN), people start to realize that protocol-dependent nature OpenFlow, i.e., matching fields are defined according existing network protocols (e.g., Ethernet and IP), will limit programmability forwarding plane cause scalability issues. In this work, we focus on Protocol-Oblivious Forwarding (POF) [1], which can make reconfigurable, programmable future-proof with a protocol-independent instruction set. We design implement POF-based...

In this work, we try to address the problem of memory fragmentation in ternary content addressable (TCAM) programmable data plane (PDP), by designing and implementing a novel network hypervisor for PDP, namely, TPVX. TPVX realizes virtualization table resources PDP with global consideration, i.e., when mapping tenant flow tables physical switches, considers their sizes pre-formatted sub-tables improve TCAM utilization avoid fragmentation. Our experimental results verify that TPVX, can be...

中国科学院 "感知中国" 先导专项子课题 (批准号: XDA06010303)、国家自然科学基金 61371117) 和电子科技大学光纤 传感与通信教育部重点实验室开放课题资助项目 摘要 本文基于软件定义网络 (software defined betworking, SDN) 概念, 利用 OpenFlow 技术设计并实 现了一种新颖的 IP 融合切换技术.该技术基于当前网络状况对 数据流的下一跳转发方式进行灵 活选择, 在 IPv4 与