Cisco CSS11503-AC Arkusz Danych Pobierz pdf (Strona 3)

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MODULARITY FOR INVESTMENT PROTECTION

Through its modular design, the Cisco CSS 11500 will meet your functional requirements today while providing for expansion for future needs.

The Cisco CSS 11500 Session Accelerator Module is a cost-effective way to add performance for flow setup and flow forwarding. A selection of

input/output (I/O) modules not only offers the choice of port densities of Fast or Gigabit Ethernet, but also boosts flow performance. Optional

memory upgrades increase the number of simultaneous flows supported. PCMCIA Flash Drive is supported.

LOCAL AND GLOBAL LOAD BALANCING

A network designer can select one of two options for global server load balancing (GSLB) solution. The first option is to use the Global Site

Selector (GSS), a dedicated GSLB appliance. In this design option, the Cisco GSS 4491 redirects clients to the best data center while the Cisco CSS

11500 is dedicated to the content switching process that involves selecting the best server within the data center. Local server selection is based on

server load and application response time, as well as traditional least connection and round-robin algorithms.

The second approach is to have the Cisco CSS 11500 perform the both the GSLB and content switching duties. In this design option the CSS 11500

will select the best data center and the best resource within the data center.

The first design option should be used if the enterprise is planning to support more that one active data center, needs centralize GSLB management,

or requires data center proximity solution. The second option is a good solution for one active site, and the objective is to failover to a secondary

disaster recovery site. Any application that uses standard TCP or User Datagram Protocol (UDP) or DNS can be supported by either GSLB option.

SITE AND SYSTEM SECURITY

The Cisco CSS 11500 with Cisco WebNS Software helps ensure high levels of security without compromising site performance. The Cisco CSS

11500 provides stateful, content-based access control and supports security policies based on any combination of source address, destination

address, protocol, TCP port, or URL. Wire-speed Network Address Translation (NAT) protects real server IP addresses.

For additional security, the Cisco CSS 11500 intelligently directs traffic across multiple firewalls. By load balancing firewalls, the Cisco CSS 11500

eliminates performance bottlenecks and single points of failure that result in system downtime, a situation that can close off the connection to

the network and disrupt e-commerce purchases or other mission-critical transactions.

MANAGE THROUGH SIMPLE GUIS OR SOPHISTICATED TOOLS

Effective management tools reduce the ongoing cost of operating a business-critical Website. The Cisco CSS 11500 with WebNS supports a wide

range of management tools that offer simplicity, security, and flexibility. For configuration, administrators have a choice of a Cisco IOS Software-

like command-line interface (CLI) or an intuitive, embedded GUI. The Cisco CSS 11500 may be managed through enterprise management systems

such as CiscoWorks CiscoView Device Manager (CVDM) and for large networks, tiered-access tools such as the Cisco Hosting Solutions Engine.

For integration with customized management systems or even user applications requiring network interaction, the Cisco CSS 11500 offers an

Extensible Markup Language (XML)-based, programmatic management application programming interface (API), Simple Network Management

Protocol (SNMP), Remote Monitoring (RMON), and log files. Effective management tools reduce the ongoing cost of operating a business-critical

Website.

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