1. CDP Technology Comparison CONFIDENTIAL DO NOT REDISTRIBUTE

2. CONFIDENTIAL All Rights Reserved - Draft - Do Not Redistribute 2 Who are the competition? Technology comparison Backup TechnologyAdvantageDisadvantage Tape Drive  Ideal for Archiving reference data  Archive shelf life of up to 30-50 years in control environment  Backups media can easily be taken offsite  Lowest cost per GB for backup storage  USB connect available on low end drive  Often require additional investment in backup software  Backup window usually 24hours between backup  Loss of data history between backups windows  Data restores is known to be slow (hours to days)  No instant user-director restore  Recovery requires IT intervention  Requires expertise to configure and manage backup jobs  Often inadequate for multi-server backup – require upward investment to network base autoloaders and libraries  Known reliability issues - tape media and drive failure rate is high  Ongoing recurring cost of management  Protection only as good as the frequency of the backup  Significant data duplication results in greater use of media = added cost

3. CONFIDENTIAL All Rights Reserved - Draft - Do Not Redistribute 3 Who are the competition? Technology comparison Backup TechnologyAdvantageDisadvantage Tape Autoloader or Library  Archive and offsite capabilities as above  Automates the backup process  Can back up multiple servers  Same as above plus:  Tape rotation and management still intensive  More complex set-up and more expensive  Greater investment for SMBs

4. CONFIDENTIAL All Rights Reserved - Draft - Do Not Redistribute 4 Who are the competition? Technology comparison Backup TechnologyAdvantageDisadvantage Virtual Tape Library (VTL)  More reliable disk-base backup system  Automates backup for multiple servers  High availability of files and data  Easy setup and management than tape  Tape format provides inherent data security  Data is secure from virus and hackers  Good performance overall for server environment only  iSCSI support  Broader OS Support  ISV support  Often require additional investment in backup software  Loss of data between backups  Loss of data history between backups windows  Very Expensive  NOT continuous - still point-in-time-backup.  Not end-to-end solution – does not backup perimeter clients or allow user self-service restore  No instant user-director restore  Up to 6 hops to move data to tape and back again to production  Protect server environment only  Require additional licenses for application support (SQL or Exchange)  No built-in archive or offsite capabilities for DR.  Off-site protection requires another data movement to tape  Performance improvement over tape but emulate tape so recovery is still sequential rather than random access  Protection only as good as the frequency of the backup

5. CONFIDENTIAL All Rights Reserved - Draft - Do Not Redistribute 5 Who are the competition? Technology comparison Backup TechnologyAdvantageDisadvantage DAS or NAS Write-to- Disk  Allows customer to leverage existing storage capacity, if available  Automates the backup process  Heterogeneous platform support  Wier OS compatibility range  High availability of files and data  Often require additional investment in backup software  Loss of data between backups  Protection only as good as the frequency of the backup  Off-site protection requires another data movement to tape  Very expensive - customer purchases separate hardware and software, then configures for D2D or D2D2T or CDP.  More complex setup and configuration  Requires ongoing maintenance (virus checking, defrag, security patching)  No archive or offsite capabilities  Can’t leverage existing HW without purchasing additional software  Require additional SW for CDP and client backup and restore.  Require additional licenses for application support (SQL or Exchange)

6. CONFIDENTIAL All Rights Reserved - Draft - Do Not Redistribute 6 Who are the competition? Technology comparison Backup TechnologyAdvantageDisadvantage Snap Shot Protection  Faster backup and recovery than tape  Data loss is reduced compared to tape, VTL, or hard disk  No contuous  Loss of data between snapshots  Limited data history  Snapshot not a backup unless copied to another storage device or tape  Off-site protection requires another data movement to tape  Protection only as good as the frequency of the snap  No instant user-director restore

7. CONFIDENTIAL All Rights Reserved - Draft - Do Not Redistribute 7 Who are the competition? Technology comparison Backup TechnologyAdvantageDisadvantage Replication/Mirroring  Continuous and real time  1 to 1, One to Many or Many to Many  Broader Application and OS Support  Virtual and Cluster support  Enable failover/failback  Provides for instant recovery  Enables zero-downtime backup  Byte/ block level  Fastest recovery  Disaster recovery - remote  Significantly more expensive for SMB – require redundant infrastructure  More complex setup and configuration  No built-in archive  Server only. No client protection.  No data history available  May not support compliance requirements due to lack of historical information  No protection from accidental deletion, user error, data corruption, or virus attacks  Data protection and recovery ONLY for most recent copy of the data

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