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Cisco Ace GSS Vs Bind

I have a client that implements its data center redundancy via BIND using its DNS features. I´m trying to sell cisco Gss to that customer. What are the improvements that I could get with Cisco GSS? Just the DOS protection and interconection with ACE for health checking?

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Re: Cisco Ace GSS Vs Bind

Mario-

The GSS itself is meant to be an intelligent DNS server.  What it provides:

1.) Probing for the answers it sends back to clients, dynamic removal of answers if probes fail.

2.) Failback clauses - if a primary set of answers are all unavailable, multiple other groups can be configured. This allows multiple levels of failure mitigation.

3.) Load based answering - using Kal-AP, the GSS can probe a CSS, CSM, or ACE device to determine which site is most/least loaded and send answers for a site accordingly.

4.) Proximity based answering.  The GSS uses DRP agents to find which GSS is local to the client D-proxy and pull answers for that specific site.

5.) DOS attack prevention.

6.) CNR (full DNS server - a stand alone GSS only responds to A queries or forwards requests to an NS server.)

GSS Admin Guide

http://www.cisco.com/en/US/docs/app_ntwk_services/data_center_app_services/gss4400series/v3.1.1/administration/guide/gssadmg.html

GSS Configuration Guide

http://www.cisco.com/en/US/docs/app_ntwk_services/data_center_app_services/gss4400series/v3.1.1/configuration/cli/gslb/guide/cli_gslb.html

GSS - CNR Installation

http://www.cisco.com/en/US/docs/app_ntwk_services/data_center_app_services/gss4400series/v2.0/administration/guide/Man_CLI.html#wp1059313

CNR configurations

http://www.cisco.com/en/US/docs/net_mgmt/network_registrar/6.0/administration/guide/02GStart.html#wp1069420

http://cco.cisco.com/en/US/docs/net_mgmt/network_registrar/6.0/command/reference/cliref.html

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