When you design the subnets, consider your traffic flow and security requirements. Infrastructure, your on-premises data center, or another cloud provider) to which you intend to set up private connections.Īfter you create a VCN, you can change, add, and remove its CIDR blocks. Select CIDR blocks that don't overlap with any other network (in Oracle Cloud Use CIDR blocks that are within the standard private IP address space. When you create a VCN, determine the number of CIDR blocks required and the size of each block based on the number of resources that you plan to attach to subnets in the VCN. Your requirements might differ from the architecture described here. Use the following recommendations as a starting point. You can use the plugin with Splunk Enterprise (version 8.0 or higher). Logging Addon for Splunk is a plugin that ingests logs and other data directly from the Streaming service. A service connector specifies the source service that contains the data to be moved, the tasks to perform on the data, and the target service to which the data must be delivered when the specified tasks are completed. You can use it to move data between services in Oracle Cloud Infrastructure Service Connector Hub is a cloud message bus platform that orchestrates data movement between services in OCI. You can use Streaming for ingesting high-volume data, such as application logs, operational telemetry, web click-stream data or for other use cases where data is produced and processed continually and sequentially in a publish-subscribe messaging model. Infrastructure Streaming provides a fully managed, scalable, and durable storage solution for ingesting continuous, high-volume streams of data that you can consume and process in real time. Custom logs: Logs that contain diagnostic information from custom applications, other cloud providers, or an on-premises environment.Service logs: Logs emitted by individual services such as API Gateway, Events, Functions, Load Balancing, Object Storage, and VCN flow logs.Audit logs: Logs related to events emitted by the Audit service.Logging is a highly scalable and fully managed service that provides access to the following types of logs from your resources in the cloud: After creating a compute instance, you can access it securely, restart it, attach and detach volumes, and terminate it when you no longer need it. You can launch compute instances with shapes that meet your resource requirements for CPU, memory, network bandwidth, and storage. Infrastructure Load Balancing service provides automated traffic distribution from a single entry point to multiple servers in the back end.Ĭompute service enables you to provision and manage compute hosts in the cloud. You can change the size of a subnet after creation. Each subnet consists of a contiguous range of addresses that don't overlap with the other subnets in the VCN. You can segment a VCN into subnets, which can be scoped to a region or to an availability domain. A VCN can have multiple non-overlapping CIDR blocks that you can change after you create the VCN. Like traditional data center networks, VCNs give you complete control over your network environment. Virtual cloud network (VCN) and subnetsĪ VCN is a customizable, software-defined network that you set up in an Oracle Cloud.So, a failure at one availability domain is unlikely to affect the other availability domains in the region. Availability domains don’t share infrastructure such as power or cooling, or the internal availability domain network. The physical resources in each availability domain are isolated from the resources in the other availability domains, which provides fault tolerance. Regions are independent of other regions, and vast distances can separate them (across countries or even continents).Īvailability domains are standalone, independent data centers within a region. Infrastructure region is a localized geographic area that contains one or more data centers, called availability domains. The architecture has the following components: The following diagram illustrates this reference architecture.ĭescription of the illustration siem-logging-oci.png As a Splunk Enterprise administrator, you can collect the streamed data for further analysis by using the Logging Addon for Splunk. There is a separate stream for each log, and each log is connected to its stream with a service connector hub. In this architecture, the Logging service captures logs from the load balancer and the virtual cloud network (VCN) flow.
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