2017 13th International Conference on Network and Service Management (CNSM)最新文献_第2页

MULE: Multi-layer virtual network embedding MULE:多层虚拟网络嵌入

2017 13th International Conference on Network and Service Management (CNSM) Pub Date : 2017-11-01 DOI: 10.23919/CNSM.2017.8256005

S. R. Chowdhury, Sara Ayoubi, Reaz Ahmed, Nashid Shahriar, R. Boutaba, J. Mitra, L. Liu

{"title":"MULE: Multi-layer virtual network embedding","authors":"S. R. Chowdhury, Sara Ayoubi, Reaz Ahmed, Nashid Shahriar, R. Boutaba, J. Mitra, L. Liu","doi":"10.23919/CNSM.2017.8256005","DOIUrl":"https://doi.org/10.23919/CNSM.2017.8256005","url":null,"abstract":"Network Virtualization (NV), considered as a key enabler for overcoming the ossification of the Internet allows multiple heterogeneous virtual networks to co-exist over the same substrate network. Resource allocation problems in NV have been extensively studied for single layer substrates such as IP or Optical networks. However, little effort has been put to address the same problem for multi-layer IP-over-Optical networks. The increasing popularity of multi-layer networks for deploying backbones combined with their unique characteristics (e.g., topological flexibility of the IP layer) calls for the need to carefully investigate the resource provisioning problems arising from their virtualization. In this paper, we address the problem of MUlti-Layer virtual network Embedding (MULE) on IP-overOptical networks. We propose two solutions to MULE: an Integer Linear Program (ILP) formulation for the optimal solution and a heuristic to address the computational complexity of the optimal solution. We demonstrate through extensive simulations that on average our heuristic performs within ≈1.47 × of optimal solution and incurs ≈66% less cost than the state-of-the-art heuristic.","PeriodicalId":211611,"journal":{"name":"2017 13th International Conference on Network and Service Management (CNSM)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115059070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

Large-scale antennas analysis of untrusted relay system with cooperative jamming 具有协同干扰的非可信中继系统的大型天线分析

2017 13th International Conference on Network and Service Management (CNSM) Pub Date : 2017-11-01 DOI: 10.23919/CNSM.2017.8256012

Xing Tan, Rui Zhao, Yuanjian Li

引用次数: 3

Auto scaling of data plane VNFs in 5G networks 5G网络中数据平面VNFs的自动缩放

2017 13th International Conference on Network and Service Management (CNSM) Pub Date : 2017-11-01 DOI: 10.23919/CNSM.2017.8256027

Tulja Vamshi Kiran Buyakar, A. K. Rangisetti, A. Franklin, T. B. Reddy

引用次数: 13

BFD-based link latency measurement in software defined networking 软件定义网络中基于bfd的链路时延测量

2017 13th International Conference on Network and Service Management (CNSM) Pub Date : 2017-11-01 DOI: 10.23919/CNSM.2017.8256023

Seong-Mun Kim, Gyeongsik Yang, C. Yoo, Sung-Gi Min

引用次数: 6

Reliable service function chain provisioning in software-defined networking 软件定义组网下可靠的业务功能链发放

2017 13th International Conference on Network and Service Management (CNSM) Pub Date : 2017-11-01 DOI: 10.23919/CNSM.2017.8256022

Yansen Xu, Ved P. Kafle

{"title":"Reliable service function chain provisioning in software-defined networking","authors":"Yansen Xu, Ved P. Kafle","doi":"10.23919/CNSM.2017.8256022","DOIUrl":"https://doi.org/10.23919/CNSM.2017.8256022","url":null,"abstract":"A Service Function Chain (SFC) is an ordered Network Function (NF) chain to process flows or packets for the end-to-end delivery of network services. In the context of Network Function Virtualization (NFV) and Software-Defined Networking, which are promising technologies for next generation networks, the Virtualized Network Function (VNF) can be deployed on either generic physical machines or virtual machines. A challenging problem is to determine where and how to place these VNFs of an SFC request in the network. In this paper, we first formulate this VNFs placement problem as an Integer Linear Programing (ILP) model and then propose an enhanced VNF placing scheme based on layered graphs to achieve better reliability. To improve the reliability, our scheme avoids placing more than one VNF of an SFC on the same node to protect the SFC from a single point of failure. We have conducted a numerical analysis and computer simulation for the feasibility validation of our scheme. The performance results, in terms of end to end delay of SFC and computation time cost on different topologies, show that our scheme performs well in different scenarios.","PeriodicalId":211611,"journal":{"name":"2017 13th International Conference on Network and Service Management (CNSM)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129517729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 12

Real-time security services for SDN-based datacenters 基于sdn的数据中心实时安全服务

2017 13th International Conference on Network and Service Management (CNSM) Pub Date : 2017-11-01 DOI: 10.23919/CNSM.2017.8256030

P. Varga, G. Kathareios, A. Mate, R. Clauberg, Andreea Anghel, P. Orosz, Balázs Nagy, Tamás Tóthfalusi, László Kovács, M. Gusat

{"title":"Real-time security services for SDN-based datacenters","authors":"P. Varga, G. Kathareios, A. Mate, R. Clauberg, Andreea Anghel, P. Orosz, Balázs Nagy, Tamás Tóthfalusi, László Kovács, M. Gusat","doi":"10.23919/CNSM.2017.8256030","DOIUrl":"https://doi.org/10.23919/CNSM.2017.8256030","url":null,"abstract":"While the scale, frequency and impact of the recent cyber- and DoS-attacks have all increased, the traditional security management systems are still supervised by human operators in the decisional loop. To cope with the new breed of machine-driven attacks — particularly those designed to overload the humans in the loop — the next-generation anomaly detection and attack mitigation schema, i.e. the network security management, must improve greatly in speed and accuracy: become machine-driven, too. As infrastructure we propose an FPGA-accelerated Network Function Virtualization that potentially enhances the current multi-Tbps switching fabrics with SDN-based security capabilities of vastly higher performance and scalability. As key novelties, we contribute (i) sub-ms detection lag (ii) of the top 9 Akamai attacks [1] with (iii) a real-time SDN feedback loop between a distributed programmable data plane and a centralized SDN controller, (iv) coupled via a global N:1 mirror. We validate the concept in an actual datacenter network with a new security application that can detect and mitigate real-world dDoS attacks, with lags from 430 us up to 3 ms — several orders of magnitude faster than before.","PeriodicalId":211611,"journal":{"name":"2017 13th International Conference on Network and Service Management (CNSM)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130895256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 18

Enabling low latency and high reliability for IMS-NFV 实现IMS-NFV的低时延、高可靠性

2017 13th International Conference on Network and Service Management (CNSM) Pub Date : 2017-11-01 DOI: 10.23919/CNSM.2017.8256015

M. T. Raza, Songwu Lu

{"title":"Enabling low latency and high reliability for IMS-NFV","authors":"M. T. Raza, Songwu Lu","doi":"10.23919/CNSM.2017.8256015","DOIUrl":"https://doi.org/10.23919/CNSM.2017.8256015","url":null,"abstract":"Network Functions Virtualization (NFV) allows service providers to deliver new services to their customers more quickly by adopting software centric network functions implementation over commercial, off-the-shelf hardwares. IP Multimedia Subsystem (IMS) which is one of the most complex NFV instances requires extremely low end-to-end latency (up to 40 msec), and demands system availability as high as five nines. We discover that highly modular 3GPP standardized IMS network functions implementation over virtualized platform (1) incurs latencies, and (2) does not tolerate faults. NFV-based IMS modules incur high latencies by creating a feedback loop among each other while executing delay sensitive data-plane traffic. These IMS modules are also susceptible to failures, causing the control-plane to terminate the application session while keeping the data-plane to forward data packets. To address these issues, we propose to refactor network function modules. We reduce latencies by pipelining the communication between IMS modules, and achieve fault tolerance by reconfiguring their neighboring modules. We build our system prototype of open source 3GPP compliant IMS over OpenStack platform. Our results show that our scheme reduces latencies and failure recovery time upto 12X and 10X, respectively, when compared to the stat-of-the-art 3GPP compliant virtualized IMS implementation.","PeriodicalId":211611,"journal":{"name":"2017 13th International Conference on Network and Service Management (CNSM)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116465530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 8

Cost-effective replica management in fault-tolerant cloud environments 在容错云环境中进行经济高效的副本管理

2017 13th International Conference on Network and Service Management (CNSM) Pub Date : 2017-11-01 DOI: 10.23919/CNSM.2017.8256019

Bart Spinnewyn, J. F. Botero, Steven Latré

{"title":"Cost-effective replica management in fault-tolerant cloud environments","authors":"Bart Spinnewyn, J. F. Botero, Steven Latré","doi":"10.23919/CNSM.2017.8256019","DOIUrl":"https://doi.org/10.23919/CNSM.2017.8256019","url":null,"abstract":"Cloud providers rely on fault-tolerance mechanisms to realize high-availability services on best-effort infrastructure. Service replication limits the data-loss caused by failure, at the expense of additional operational costs. Recently, with the advent of Mobile Edge Computing, cloud environments are becoming increasingly heterogeneous and dynamic, by the incorporation of (very) unreliable and resource-constrained devices. In this paper, we investigate how to devise an economically viable replication strategy, for a given service on a particular cloud environment. Previous work either focused on finding replication strategies for stateless services, ignoring recovery processes and correlated failures, or considered system dynamics, while lacking Service Level Agreement (SLA)-awareness. We approach the replica management problem as a run-time revenue maximization problem. Our proposed Dynamic Programming (DP) algorithm can generate the optimal replication strategy over the application lifetime. Through extensive simulations, we show that our algorithm significantly improves provider revenue over a wide range of cloud- and SLA-conditions, and adapt its strategy to evolving operating conditions. The results show that coupling dynamic failure models with SLA-awareness can lead to profitable replication strategies, even in cases where providers currently turn a loss.","PeriodicalId":211611,"journal":{"name":"2017 13th International Conference on Network and Service Management (CNSM)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131530115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

Efficient big link allocation scheme in virtualized software-defined networking 虚拟化软件定义网络中高效的大链路分配方案

2017 13th International Conference on Network and Service Management (CNSM) Pub Date : 2017-11-01 DOI: 10.23919/CNSM.2017.8256020

Wontae Jeong, Gyeongsik Yang, Seong-Mun Kim, C. Yoo

引用次数: 2

Architecture for building hybrid kernel-user space virtual network functions 构建混合内核-用户空间虚拟网络功能的体系结构

2017 13th International Conference on Network and Service Management (CNSM) Pub Date : 2017-11-01 DOI: 10.23919/CNSM.2017.8256051

N. V. Tu, Kyungchan Ko, J. W. Hong

引用次数: 7