Dell 3-DNS Administrator Manual
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Brand: Dell
Category: Network Router
Type: Administrator's manual for Dell 3-DNS
Pages: 165 (1.98 Mb)
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Glossary
3-DNS
®
Administrator Guide Glossary-5
to try if the preferred method fails, and the fallback method specifies the last
load balancing mode to use if both the preferred and the alternate methods
fail.
load balancing mode
A load balancing mode is the way in which the 3-DNS Controller
determines how to distribute connections across an array.
local DNS
A local DNS is a server that makes name resolution requests on behalf of a
client. With respect to the 3-DNS Controller, local DNS servers are the
source of name resolution requests. Also referred to as LDNS.
metrics information
Metrics information is the data that is typically collected about the paths
between BIG-IP systems, EDGE-FX Caches or GLOBAL-SITE Controllers,
and local DNS servers. Metrics information is also collected about the
performance and availability of virtual servers. Metrics information is used
for load balancing, and it can include statistics such as round trip time,
packet rate, and packet loss.
MindTerm SSH
MindTerm SSH is the third-party application on 3-DNS Controllers that
uses SSH for secure remote communications. SSH encrypts all network
traffic (including passwords) to effectively eliminate eavesdropping,
connection hijacking, and other network-level attacks. SSH also provides
secure tunneling capabilities and a variety of authentication methods.
name resolution
Name resolution is the process by which a name server matches a domain
name request to an IP address, and sends the information to the client
requesting the resolution.
name server
A name server is a server that maintains a DNS database, and resolves
domain name requests to IP addresses using that database.
named
The named daemon manages domain name server software.
NameSurfer
NameSurfer is the third-party application on 3-DNS Controllers that
automatically manages DNS zone files, synchronizing them with the
configuration on the 3-DNS Controller. NameSurfer automatically updates
any configuration changes that you make using the Configuration utility.
NameSurfer also provides a graphical user interface for DNS zone file
management.