Kubernetes Orchestration in SDN-based Edge Network Infrastructure

Giorgetti, A.; Scano, Davide; Chamanara, Javad; Al-Bado, Mustafa; Marx, E.; Ahearne, Sean; Sgambelluri, Andrea; Paolucci, F.; Cugini, F.

doi:10.1364/ofc.2022.m3z.3

Cited by 4 publications

(2 citation statements)

References 7 publications

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“…A preliminary version of this work has been presented as a practical demonstration in [20]. In addition, this work includes: (i) the detailed research background; (ii) the overall architecture of Edge Micro Data Center nodes as designed within the BRAINE project; (iii) the extended version of the ONOS NetApps to support matching of traffic generated inside/outside Kubernetes pods; (iv) a wide set of experimental results.…”

Section: Introductionmentioning

confidence: 99%

Enabling P4 Network Telemetry in Edge Micro Data Centers With Kubernetes Orchestration

et al. 2023

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Integrating computation resources with networking technologies is an hot research topic targeting the optimization of containers deployment on a set of host machines interconnected by a network infrastructure. Particularly, next generation edge nodes will offer significant advantages leveraging on integrated computation resources and networking awareness, enabling configurable, granular and monitorable quality of service to different micro-services, applications and tenants, especially in terms of bounded endto-end latency. In this regard, SDN is a key technology enabling network telemetry and traffic switching with the granularity of the single traffic flow. However, currently available solutions are based on legacy SDN techniques, not enabling the matching of tunneled traffic, and thus require a tricky integration inside the hosts where containers are deployed. This work considers Kubernetes clusters deployed on next generation edge micro data center platforms and proposes an innovative SDN solution exploiting the P4 technology to gain visibility inside tunnelled traffic exchanged among pods. This way, the integration is achieved at the control plane level through the communication between Kubernetes and the SDN controller. The proposed solution is experimentally validated including a comprehensive framework enabling effective traffic switching and in-band telemetry at pod level. The major paper contributions consist in the design and the development of: (i) the networking applications at SDN control plane level; (ii) the P4 switch pipeline at the data plane level; (iii) the monitoring system used to collect, aggregate and elaborate the telemetry data.

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Section: Introductionmentioning

confidence: 99%

Enabling P4 Network Telemetry in Edge Micro Data Centers With Kubernetes Orchestration

et al. 2023

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“…In [56], the authors showed that the container-based microservices architecture brings challenges to service performance and resource management due to the additional granularity compared to VM-based microservices. The performance and the reliability of the container-based microservices were constrained by QoS metrics (i.e., latency, serving throughput, request rate) which were collected by NFV-Inspector [57].…”

Section: Prometheusmentioning

confidence: 99%

Design and Implementation of a Reliable Container-based Service Function Chaining Testbed in Cloud-native System: An Open Source Approach

Wang¹

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Academia has been moving attention from Virtual Network Function (VNF) to Cloudnative Network Function (CNF) since cloudification has brought the Network Function Virtualization (NFV) to an advanced level. It has already been demonstrated that cloud-native technology brings high flexibility and efficiency to large-scale network service deployment compared to the traditional VNF with Virtual Machines (VMs). However, more work is needed to provide a flexible and reliable Service Function Chaining (SFC) development solution. This thesis proposes a solution to dynamically deploy reliable SFCs consisting of multiple CNFs in a multi-node Kubernetes cluster using Network Service Mesh (NSM). Further, hardware and network usage are presented with the support of an open-source monitoring system, Prometheus, to help the network operator understand the deployed SFC. Additionally, the performance and limitations of this approach are analyzed and presented. i VM Virtual Machines VNF Virtual Network Function VPP Vector Packet Processing V-wire Virtual Wire

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Introducing Data Processing Units (DPU) at the Edge [Invited]

Barsellotti

Alhamed

Olmos

et al. 2022

2022 International Conference on Computer Communications and Networks (ICCCN)

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Kubernetes Orchestration in SDN-based Edge Network Infrastructure

Abstract: This demo presents a comprehensive framework providing effective cooperation among K8s scheduler, SDN controller, telemetry system, and SLA broker. The framework enables orchestrated provisioning and adaptation in distributed edge resources across a metro optical network.

Cited by 4 publications

References 7 publications

Enabling P4 Network Telemetry in Edge Micro Data Centers With Kubernetes Orchestration

Enabling P4 Network Telemetry in Edge Micro Data Centers With Kubernetes Orchestration

Design and Implementation of a Reliable Container-based Service Function Chaining Testbed in Cloud-native System: An Open Source Approach

Introducing Data Processing Units (DPU) at the Edge [Invited]

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