1 / 4

Oracle GNS Architecture Overview: Load Balancing & DNS Resolution

Learn about Oracle Grid Naming Service (GNS) architecture, VIP resolution, dynamic IP addressing, and SCAN VIP implementation for efficient network configuration. Understand the role of GNS in Oracle clusters.

teds
Download Presentation

Oracle GNS Architecture Overview: Load Balancing & DNS Resolution

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. sales1 - scan.example.com IN A 133.22.67.194 IN A 133.22.67.193 IN A 133.22.67.192 Network File DNS Client Client Client Client RAC Cluster Node 1 Node 2 Node 3 Client Configuration Example

  2. GNS VIP 192.0.2.155 GNS DNS Sends cluster names Dynamically Collects cluster names Client Client Resolution Node Cluster domain name Mycluster.example.com

  3. GNS Architecture Overview GNS VIP DNS Client Client Resolution Node Cluster domain name Mycluster.example.com

  4. Oracle GNS Architecture VIP resolution Hostname to address resolution Vip name and hostname resolution GNS DNS Register node vip & scan vip Use 1 SCAN VIP Get 3 SCAN VIPS One name that resolves three IP’s Load Balancing SL SL SL Remote listener LL LL LL LL Client LL Local Listener SCAN + port + service Node 1 Node 4 Node n Node 2 Node 3 Node n Dynamic IP Address obtained by oraroot agent Least Loaded Node for Service Least Loaded Node Profile.xml Node & SCAN VIP agents orarootagent DHCP orarootagent orarootagent orarootagent orarootagent mDNS mDNS mDNS mDNS mDNS Client Configuration Example

More Related