High Quality Content by WIKIPEDIA articles! Cisco Wide Area Application Services (WAAS) is technology developed by Cisco Systems that optimizes the performance of TCP-based applications operating in a Wide Area Network (WAN) environment while preserving and strengthening branch security. WAAS combines WAN optimization, optimization of the Transport Control Protocol (TCP), Data Redundancy Elimination (DRE, also known as deduplication) and application protocol acceleration in a single a network-attached appliance or router-integrated module form factor. Notably, Cisco was the first to provide a WAN optimization system that was transparent to the network. This was accomplished by preserving IP packet header details, including IP addresses, and TCP port numbers, which have been deemed important for intermediary devices and services to function properly. Examples of devices that could be impacted by packet header obfuscation include firewalls, routers, intrusion detection and prevention systems, and general quality of service (QoS) techniques. Other providers of this technology have consequently provided solutions to solving this problem as well.

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