Depending on the context, “Cross-Cloud” can refer either to an architectural design pattern in cloud computing or a suite of enterprise networking products from major cloud providers. 1. Cross-Cloud Architecture (The Strategy)
Cross-cloud computing is an advanced strategy where a single, unified application or workload runs across multiple distinct cloud service providers (CSPs)—such as Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform (GCP)—simultaneously.
It represents an evolution of multi-cloud. In a standard multi-cloud environment, an organization might run App A on AWS and App B on Azure independently. In a cross-cloud environment, the same application is split or shared across providers (e.g., hosting the web frontend on AWS to use specific edge tools, while connecting it to a backend database on Azure).
Enhanced Reliability: If one cloud provider experiences a massive data center outage, instances running on the other provider keep the application online.
Best-of-Breed Utilization: Companies can cherry-pick specific services (like advanced machine learning engines from Google Cloud and enterprise data tools from Azure) and integrate them into one system.
Vendor Lock-in Mitigation: Spreading operations across platforms makes it easier to migrate workloads if pricing structures or corporate data regulations change. 2. Google Cloud’s “Cross-Cloud” Enterprise Solutions
Because splitting workloads across different networks creates high latency and security vulnerabilities, major providers have built hardware-level infrastructure to support it. Google Cloud offers two primary products in this space: Cross-Cloud Interconnect overview
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