Reference

Reference

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Application flows

Every flow between the apps, databases and SaaS, as written in the registry.

Network

The servers by site and subnet, with the application flows lifted onto the machines that host them.

Subnets

The flows between subnets, merged by port: what the firewall rules must allow.

Landscape

The flows between the systems and the SaaS, in the direction of the data.

To verify

The resources and flows assumed or doubtful, or with an open question: what remains to confirm.

Ownership

The apps, databases and SaaS by owner team, with their operator.

To complete

The resources missing something for a complete model.

Between the sites

The flows and the connectors between the sites, with the SaaS reached from them.

Personal data

The flows carrying personal data, in red: where the customer details travel.

Customer trail

The customer details followed step by step from the CRM database.

Firewall matrix

The flows through the datacenter firewall, merged by port: its rule table.

Security

The servers and firewalls by site and subnet, every flow split at the devices it traverses.

Physical

The servers, switches and firewalls by site and rack, with their cabling.

Deployment

What runs where: the apps and databases with the servers hosting them.

Egress

The flows to the SaaS and the devices they leave through, deduced from the egress of the VPC.

If fw01 fails

What becomes unavailable when the datacenter firewall fails: the impact analysis.

If both web servers fail

web01 and web02 down together: in red, the apps and data that become unavailable.

Monthly invoicing

The monthly invoicing process, its links numbered as its steps, and its sequence diagram.

Systems

Sites