Multi-Cloud Networking –Addressing Architectural
Challenges
Nihar Ranjan Panda (Sr. Global Solutions Architect, APAC)
EQUINIX

Organizations today are struggling with bill shocks and otherchallenges from their existing public cloud operations. While multicloud adoption has been a crucial step towards alleviating these billshocks and other potential performance issues, it has posed a newchallenge --Multi-Cloud Networking

4/29/24

Connecting to a Public Cloud - Architectural Options

Encrypted Tunnel e.g.IPSEC

Public IP~1.25Gbps

Site to site VPNEnterprise/City

Public CloudInternet

Dedicated Direct Connection
1:1

Enterprise/City

NSP

NSP/ISP POP/Enterprise Colo

Cross Connect

1/10/100G

Cloud
Gateway

Via LOA route

Public Cloud

Dedicated Hosted Connection
N:1

Enterprise/City

NSP

NSP/ISP POP/Enterprise Colo

50M-10G

DC Switch Fabric

Cloud
Gateway

Public CloudMulticloud Networking Challenge

1GCP

EnterpriseHQ

IPSEC Tunnels

InternetApps
Big Data

ComputeStorage

Split Stack Application

Databasev Traffic Trombone- Traffic movement between CSPs in a split stack environment detour the steering pointat the enterprise DC, resulting in high latency- impacting performancev High overhead over internet due to IPSEC and multiple tunnels, usually 2 per VPC; limited BW
v High egress cost, almost twice than direct connect options
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Multicloud Networking Challenge

Dedicated Direct Connection

2GCPAppsBig Data

Via LOA routeEnterprise
HQ

NSP

NSP/ISP POP/Enterprise Colo

Cross Connect

Cloud
GatewayComputeStorage

Split Stack Application

Databasev Traffic Trombone- Traffic movement between CSPs in a split stack environment detour the steering pointat the enterprise DC, resulting high latency- impacting performancev High Lead Time- up to few weeks and Inflexible- fixed BW resulting over/under utilizationv Admin and Technical overheads- Build and Operations; dedicated network functions at HQ incl. routing,security, LB etc.
4/29/24

Multicloud Networking Challenge

Direct Hosted Connection

Enterprise
HQ

NSP

NSP/ISP POP/Enterprise Colo

DC Switch Fabric

Cloud
Gateway3

GCP

AppsBig Data

ComputeStorage

Split Stack Application

Databasev Traffic Trombone- Traffic movement between CSPs in a split stack environment detour the steering pointat the enterprise DC, resulting high latency- impacting performancev Admin overhead- Build and Operations; dedicated network functions at HQ incl. routing, security, LB etc.

4/29/24

Multicloud Networking - An Optimized Solution Architecture

Direct Hosted Connection

GCPAppsBig Data

Virtual Network Functions

ComputeStorage

Enterprise
HQ

NSP

NSP/ISP POP/ DC Switch
Enterprise ColoFabric

Virtual Infrastructure

Split Stack Application

Cloud
Gateway

Database

Traffic steering is localized and adjacent to the CSP POP reducing latency
On-demand and instant provisioning of direct connections using an intent driven approach through API integrated UI
On-demand provisioning of network functions such as routing, security, LB etc. through an orchestrated NFV stack
Improved operational efficiency- On-demand scale-in; scale out, 2-3X reduced egress cost, better visibility/observability
4/29/24

Q&A4/29/24