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Next-Gen Network as a Service for Cloud Datacenters

Explore the comprehensive requirements and benefits of Network as a Service (NaaS) in cloud datacenters, ensuring efficient tenant network management, isolation, reliability, and performance.

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Next-Gen Network as a Service for Cloud Datacenters

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  1. NaaS (Network as a service) Requirementdraft-liu-nvo3-naas-requirement-00 Authors: Vic Liu, Chen Li China Mobile Speaker: Vic Liu China Mobile

  2. Motivation • With public cloud, Network Capabilities can be sold as a service to datacenter tenants: • IP address, VLAN, VxLAN, Bandwidth, Load Balancing, Firewall,… • Need for NaaS: providing E2E Virtual Network for tenants • Traditional technologies may become bottleneck of public cloud service, e.g. 4K VLANs • This draft describes requirements of NaaS for cloud datacenters

  3. Requirement of Naas(1/2) • Isolation of different tenants • Each tenant has a isolated logically network which can self-plan and re-use IP and VLAN resources • Traffic and network service(LB, FW) need to be isolate for different tenants • Tenant's logical network in GUI • Tenant’s logical network should presented by GUI which contains L2 switch, L3 gateway, edge router, LB, FW, etc. • All links and device are logical and mapped to physical network • Bandwidth guarantee • NaaS should provide tenants ability to allocated and guaranteed E2E bandwidth of logical networks • Network management • NaaS should offer management and configuration ability for tenant logical network(self pan traffic and strategies) • CDC Operator is responsible for the physical network

  4. Requirement of Naas(2/2) • Reliability • Distributed CDC, resource pool HA, smart TE, etc. • Service function requirement • Public cloud services: IP, bandwidth, firewall, load balance, CDN, etc. • Private cloud services: DHCP, DNS, subnet gateway, VPN, etc. • Performance requirements • Million-level tenants support • Millisecond level service response • Tenants line speed bandwidth

  5. THANKS • Vic Liu • liuzhiheng@chinamobile.com • Chen Li • lichen@chinamobile.com

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