Webcasts on Shadowbase Active/Active Data Replication Software Solutions
Presenters: Paul Holenstein, Gravic Executive Vice President and Dick Davis, Shadowbase Sales Manager
Abstract: Today's companies are demanding higher application availability solutions beyond what traditional active/passive business continuity architectures provide. We explain how active/active replication dramatically increases your application availability and provides a myriad of other benefits (using all nodal capacity for productive work, masking failures from your users, providing disaster tolerance “for free,” and eliminating the all-or-nothing leap of faith that classic active/passive DR architectures have at failover time). We use Shadowbase solutions to present real world asynchronous active/active architectures and describe the advances being made in the synchronous replication area for eliminating data loss and avoiding data collisions in active/active architectures.
Date: September 29, 2009
Type: WMV File
Size: 58.7MB
Length: 1:24:07
Presenter: Rob Lesan, Principal DBA, AOL
Abstract: Learn how AOL migrated its AOL Instant Messenger (AIM) authentication service from a partitioned 16-node Sybase database into a single NonStop SQL/MP database (with copies simultaneously hosted on three additional NonStop nodes in an active/active Shadowbase data replication configuration). Understand the reasons for the migration, goals AOL needed to achieve both during and after the migration completion, the reasons the company selected NonStop SQL/MP as the target environment, as well as the unforeseen challenges AOL encountered and had to overcome during the effort. Topics covered include:
- Roadmap Steps to Achieve Parallel Database
- Bulk Migration
- Synchronization
- Migration
- Instrumentation
- AOL/ICQ Instant Messaging Migration
- Authentication Event Triggering & Publish/Subscribe
Date: February 24, 2009
Type: WMV File
Size: 38.3MB
Length: 58:26
Presenters: Paul Holenstein, Gravic Executive Vice President and Dick Davis, Shadowbase Sales Manager
Abstract: As businesses’ needs have driven higher and higher application availability requirements, various high and continuous availability architectures have evolved to meet those needs. We describe the Recovery Time Objective (RTO) and Recovery Point Objective (RPO) model businesses use to quantify their needs, discuss the factors (and trade-offs) that affect each objective, and review various architectures in use today to attain these stringent goals. We also look out over the horizon at the next wave of technological advances in the development pipeline to understand how (hopefully) the technology is evolving to eventually deliver true continuous application availability with zero data loss in the event of a disaster.
Date: December 12, 2007
Type: WMV File
Size: 64.4MB
Length: 1:29:54
