Datasheet

Data Sheet
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 4 of 10
Feature Benefit
Redundancy
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Provides system and session redundancy, with the capability to switch over automatically to a redundant Cisco ACE
upon system or network failure; failover happens automatically, with no human intervention
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Provides stateful failover capabilities to help ensure resilient network protection for enterprise network environments
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Supports active-standby and active-active redundancy topologies with configuration synchronization
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Enables businesses to perform software maintenance release upgrades on Cisco ACE and servers without affecting
network uptime or connections
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Allows stateful redundancy to be enabled on a per-virtual-device basis, isolating a failure to its specific virtual device;
a failover event in one virtual device does not affect operation of other virtual devices
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Integrates with the Cisco Global Site Selector (GSS) software to provide a multiple data center failover system
Server health monitoring To instruct Cisco ACE to check the health of servers and server farms, user can configure health probes (sometimes
referred to as keepalives). The following probes are supported:
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ICMP
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TCP
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User Datagram Protocol (UDP)
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ECHO {tcp | udp}
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Finger
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HTTP
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HTTPS
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FTP
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Telnet
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DNS
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Simple Mail Transfer Protocol (SMTP)
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Internet Mail Access Protocol (IMAP)
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Post Office Protocol (POP)
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RADIUS
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Scripted
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Keepalive Application Protocol (KAL-AP)
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RTSP
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SIP
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HTTP return-code parsing
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Simple Network Management Protocol (SNMP) probes
Performance
Application latency
reduction
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Dramatically improves the end user application experience by reducing latency and the number of roundtrips required
for application access
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Eliminates unnecessary browser cache validation requests and provides automatic embedded object version
management at the server, resulting in significantly improved application response times for application users
Caching Caching directly offloads server requests for frequently requested static objects such as images and applets. This feature
is fully configurable and enhances overall application performance and transaction throughput.
Cisco ACE delivers a high-performance caching architecture to enable several of its patent-pending optimizations,
including delta optimization and FlashForward object acceleration.
Dynamic caching technology further accelerates enterprise application performance and improves server system
scalability by enabling the Cisco ACE to fulfill requests for dynamic content. Using this feature, the offload capabilities
begin to offload application servers and even core databases.
1.5 GB of RAM is available for caching. The memory ships standard with every appliance.
Delta encoding Delta encoding significantly reduces the amount of data sent to the client by sending only what has changed in HTML
content between successive page visits. Cisco ACE can determine exactly what has changed from page to page, to the
level of detail of a single byte, and sends only the content that has changed.
Compression Cisco ACE delivers powerful 2-Gbps hardware-accelerated data compression and provides faster application
performance for application users. Both gzip and deflate compression are supported.