-
ARP lookup
The instance kernel issues ARP requests and the VPC network issues ARP replies. The mapping between MAC addresses and IP addresses is handled by the instance kernel.
-
DNS server
Each instance’s metadata server acts as a DNS server. It stores the DNS entries for all VPC network IP addresses in the local VPC network and calls Google’s public DNS server for entries outside the VPC network. You cannot configure this DNS server. The DHCP client on each instance is configured to manage the instance’s /etc/resolv.conf file.…
-
active connections table
The VPC network compares the packet against the active connections table to see whether this is an existing connection:
-
Control planes and data planes
AWS separates most services into the concepts of control plane and data plane. These terms come from the world of networking, specifically routers. The router’s data plane, which is its main functionality, is moving packets around based on rules. But the routing policies have to be created and distributed from somewhere, and that’s where the control plane comes…
-
Resident Cloud Architect Program
A six or twelve month subscription that gives you direct access to Google Cloud experts who will work alongside your cloud architecture team to unblock technical challenges, optimize your cloud architecture, maximize your Google Cloud investment, and accelerate your cloud journey.
-
CloudSQL for PostgreSQL
Connect to your Cloud SQL instance (instance ID: myinstance) by running: Insert sample data into the postgres database: Retrieve the data: Postgres Cloud SQL has a default database ‘postgres’
-
CloudSQL for MySQL
The instance ID is the name of the instance. It is used to uniquely identify your instance within the project Connect to your instance with instance ID myinstance: Create a SQL database called guestbook on your Cloud SQL instance: Insert the following sample data into the guestbook database: Now retrieve the data: Switch Database in…
-
Hierarchical firewall policies
-
Metadata
Every virtual machine (VM) instance stores its metadata on a metadata server. Your VM automatically has access to the metadata server API without any additional authorization. Compute Engine maintains the metadata keys and values for your VMs and projects in directories. Each directory stores metadata entries in the form of key-value pairs. Some directories contain…
-
Define a golden image
Sharing custom images: Deny access to non-custom images using a resource manager constraint: DEPRECATE now, then OBSOLETE in 7 days, then DELETE in 14 days: