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oci-deal-accelerator/kb/diagram/assets/archcenter-refs/implement-goldengate-azure/_description.md
root b30a4f0d32 Diagram generation: ref-arch-driven procedure + spec validator + KB enrichment 
The diagram path now follows a documented standard procedure (lookup
the closest Oracle Architecture Center reference → confirm components
→ author absolute_layout → spec validator → render → visually verify)
and ships persistent guardrails so layout regressions can't recur.

Persistent procedure changes (apply to all users, all sessions):
- tools/diagram_spec_validator.py — geometry checks (CONTAINER_TOO_THIN,
  CONTAINER_PADDING_VIOLATION, LABEL_OVERFLOW_PARENT) run BEFORE either
  renderer (drawio + PPTX). Catches the subnet-collapse / label-overflow
  bugs that the post-render drawio validator missed.
- tools/oci_diagram_gen.py + tools/oci_pptx_diagram_gen.py — call the
  spec validator before emitting any output. Adds mysql / mysql_heatwave
  type aliases.
- tools/archcenter_pattern_lookup.py — scores against cached page
  descriptions (not just the 1-line summary), supports --queries for
  multi-fragment composition, and applies synonym expansion via
  kb/architecture-center/synonyms.yaml so "LB HA cross AD" matches
  "load balancer high availability availability domain".
- kb/architecture-center/synonyms.yaml — canonical synonym table
  (load balancer, autonomous database, data guard, …) used by the
  lookup scorer.

KB enrichment:
- tools/archcenter_description_fetcher.py + 121 cached _description.md
  under kb/diagram/assets/archcenter-refs/<slug>/. Removes the runtime
  dependency on docs.oracle.com when authoring specs and feeds the
  pattern-lookup scorer.
- 110+ cached .drawio / .svg / .png references for offline reuse,
  plus the OCI Toolkit v24.2 import (kb/diagram/assets/oci-toolkit-drawio).

Documentation:
- docs/skill/output-formats.md — new "Standard diagram-generation
  procedure (MANDATORY)" + geometry rules + the new validator entry.
- SKILL.md option 2 — references the mandatory procedure.
- README.md — describes the spec validator, archcenter_pattern_lookup
  and description fetcher, and updates the KB-health table.

Tooling that backs the procedure (cumulative across recent sessions):
tools/archcenter_case_runner.py, archcenter_batch_driver.py,
archcenter_zip_downloader.py, drawio_visual_validator.py,
drawio_fidelity_eval.py, harvest_drawio_icon.py, import_oci_library.py,
oci_pptx_diagram_gen.py, oci_pptx_render.py, refresh_pptx_icon_index.py.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-25 21:15:21 -03:00

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Implement Oracle GoldenGate in Microsoft Azure with Oracle Database@Azure

Summary (catalog)

GoldenGate deployment patterns for Database@Azure. Real-time replication between on-premises and ExaCS, or between ExaCS instances across Azure regions.

Architecture (fetched from source)

Architecture

This reference architecture implements Oracle GoldenGate running on Azure linux virtual machines, or containers hosted on Azure Kubernetes Service . Oracle GoldenGate has deep integration with Oracle Database@Azure for change data capture to facilitate organization to stay up-to-date with the latest data in near real time and avoid relying on stale data.

Oracle GoldenGate empowers organizations to optimize their data management processes and facilitates the seamless integration of data stored in Oracle Database@Azure into data lakes and lakehouses for advanced analytics and machine learning workloads. You can build robust data streaming platforms on Azure , ensuring seamless data integration, scalability, and real-time analytics. Oracle GoldenGate provides data consistency and synchronization to make it an invaluable technology for organizations striving to leverage real-time data to make informed decisions based on accurate and timely data, driving the success of your business in the cloud-native era and enhancing business operations.

The following diagram illustrates this reference architecture for an Oracle GoldenGate implementation hosted in Microsoft Azure for integration between Oracle Database@Azure and Azure native services for streaming, data processing, machine learning, and analytics. You can leverage this reference architecture for reusing an existing Oracle GoldenGate implementation, or a fresh implementation for reasons like legal obligations, latency sensitive workloads, and centralized data management.

The following diagram illustrates this reference architecture.

Description of the illustration goldengate-dbatazure-integration.png

goldengate-dbatazure-integration.zip

The architecture has the following components:

  • Region An Oracle Cloud Infrastructure region is a localized geographic area that contains one or more data centers, called availability domains. Regions are independent of other regions, and vast distances can separate them (across countries or even continents).

  • On-premises network This network is the local network used by your organization. It is one of the spokes of the topology.

  • Virtual cloud network (VCN) and subnets A VCN is a customizable, software-defined network that you set up in an Oracle Cloud Infrastructure region. Like traditional data center networks, VCNs give you control over your network environment. A VCN can have multiple non-overlapping CIDR blocks that you can change after you create the VCN. You can segment a VCN into subnets, which can be scoped to a region or to an availability domain. Each subnet consists of a contiguous range of addresses that don't overlap with the other subnets in the VCN. You can change the size of a subnet after creation. A subnet can be public or private.

  • VNIC A virtual network interface card (VNIC) enables an instance to connect to a VCN and determines how the instance connects with endpoints inside and outside the VCN. Each VNIC resides in a subnet in a VCN and includes these items:

  • A primary private IPv4 address from the subnet the VNIC is in, chosen by either you or Oracle.

  • Optional secondary private IPv4 addresses from the same subnet the VNIC is in, chosen by either you or Oracle.

  • An optional public IPv4 address for each private IP, chosen by Oracle but assigned by you at your discretion.

  • An optional hostname for DNS for each private IP address.

  • A MAC address.

  • A VLAN tag assigned by Oracle and available when attachment of the VNIC to the instance is complete (relevant only for bare metal instances).

  • A flag to enable or disable the source/destination check on the VNIC's network traffic.

  • Optional membership in one or more network security groups (NSGs) of your choice. NSGs have security rules that apply only to the VNICs in that NSG.

  • Optional IPv6 addresses. IPv6 addressing is supported for all commercial and government regions.

  • Object storage

Oracle Cloud Infrastructure Object Storage provides quick access to large amounts of structured and unstructured data of any content type, including database backups, analytic data, and rich content such as images and videos. You can safely and securely store and then retrieve data directly from the internet or from within the cloud platform. You can scale storage without experiencing any degradation in performance or service reliability. Use standard storage for "hot" storage that you need to access quickly, immediately, and frequently. Use archive storage for "cold" storage that you retain for long periods of time and seldom or rarely access.

  • Oracle GoldenGate Oracle GoldenGate is an application that provides real-time data integration, data replication, transactional change data capture, data transformations, high availability solutions, and verification between operational and analytical enterprise systems. This architecture consists of running Oracle GoldenGate on Linux Virtual Machine or Azure Kubernetes Service.

  • Oracle Database@Azure

Oracle Database@Azure integrates Oracle Exadata Database Service , Oracle Real Application Clusters (Oracle RAC), and Oracle Data Guard technologies into the Azure platform. Oracle Database@Azure service offers the same low latency as other Azure-native services and meets mission-critical workloads and cloud-native development needs. Users manage the service on the Azure console and with Azure automation tools. The service is deployed in Azure Virtual Network (VNet) and integrated with the Azure identity and access management system. The OCI and Oracle Database metrics and audit logs are natively available in Azure. The service requires users to have an Azure tenancy and an OCI tenancy. Oracle Autonomous Database Serverless is also available with Oracle Database@Azure as the world’s first autonomous data management, fully managed in the cloud, to deliver automated patching, upgrades, and tuning, without human intervention. Autonomous Database is built on Oracle Exadata infrastructure, is self-managing, self-securing, and self-repairing, helping eliminate manual database management and human errors. Autonomous Database enables development of scalable AI-powered apps with any data using built-in AI capabilities using your choice of large language model (LLM) and deployment location.

  • Oracle Autonomous Database Serverless Oracle Autonomous Database is the world’s first autonomous data management, fully managed in the cloud, to deliver automated patching, upgrades, and tuning, without human intervention. Autonomous Database is built on Oracle Exadata infrastructure, is self-managing, self-securing, and self-repairing, helping eliminate manual database management and human errors. Autonomous Database enables development of scalable AI-powered apps with any data using built-in AI capabilities using your choice of large language model (LLM) and deployment location.

  • Oracle Exadata Database Service on Dedicated Infrastructure Oracle Exadata Database Service on Dedicated Infrastructure provides Oracle Exadata Database Machine as a service in an Oracle Cloud Infrastructure (OCI) data center. The Oracle Exadata Database Service on Dedicated Infrastructure instance is a virtual machine (VM) cluster that resides on Exadata racks in an OCI region.

Oracle Exadata Database Service delivers proven Oracle Database capabilities on purpose-built, optimized Oracle Exadata infrastructure in the public cloud. Built-in cloud automation, elastic resource scaling, security, and fast performance for OLTP, in-memory analytics, and converged Oracle Database workloads help simplify management and reduce costs.

The architecture has the following Azure components:

  • Azure Virtual Network (VNet) Azure Virtual Netw
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