diff options
Diffstat (limited to 'contrib/bind9/doc/arm/Bv9ARM.ch02.html')
| -rw-r--r-- | contrib/bind9/doc/arm/Bv9ARM.ch02.html | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/contrib/bind9/doc/arm/Bv9ARM.ch02.html b/contrib/bind9/doc/arm/Bv9ARM.ch02.html deleted file mode 100644 index 0b293c7edfd6..000000000000 --- a/contrib/bind9/doc/arm/Bv9ARM.ch02.html +++ /dev/null @@ -1,284 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> -<HTML -><HEAD -><TITLE ->BIND Resource Requirements</TITLE -><META -NAME="GENERATOR" -CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK -REL="HOME" -TITLE="BIND 9 Administrator Reference Manual" -HREF="Bv9ARM.html"><LINK -REL="PREVIOUS" -TITLE="Introduction " -HREF="Bv9ARM.ch01.html"><LINK -REL="NEXT" -TITLE="Name Server Configuration" -HREF="Bv9ARM.ch03.html"></HEAD -><BODY -CLASS="chapter" -BGCOLOR="#FFFFFF" -TEXT="#000000" -LINK="#0000FF" -VLINK="#840084" -ALINK="#0000FF" -><DIV -CLASS="NAVHEADER" -><TABLE -SUMMARY="Header navigation table" -WIDTH="100%" -BORDER="0" -CELLPADDING="0" -CELLSPACING="0" -><TR -><TH -COLSPAN="3" -ALIGN="center" ->BIND 9 Administrator Reference Manual</TH -></TR -><TR -><TD -WIDTH="10%" -ALIGN="left" -VALIGN="bottom" -><A -HREF="Bv9ARM.ch01.html" -ACCESSKEY="P" ->Prev</A -></TD -><TD -WIDTH="80%" -ALIGN="center" -VALIGN="bottom" -></TD -><TD -WIDTH="10%" -ALIGN="right" -VALIGN="bottom" -><A -HREF="Bv9ARM.ch03.html" -ACCESSKEY="N" ->Next</A -></TD -></TR -></TABLE -><HR -ALIGN="LEFT" -WIDTH="100%"></DIV -><DIV -CLASS="chapter" -><H1 -><A -NAME="ch02" -></A ->Chapter 2. <ACRONYM -CLASS="acronym" ->BIND</ACRONYM -> Resource Requirements</H1 -><DIV -CLASS="TOC" -><DL -><DT -><B ->Table of Contents</B -></DT -><DT ->2.1. <A -HREF="Bv9ARM.ch02.html#AEN228" ->Hardware requirements</A -></DT -><DT ->2.2. <A -HREF="Bv9ARM.ch02.html#AEN236" ->CPU Requirements</A -></DT -><DT ->2.3. <A -HREF="Bv9ARM.ch02.html#AEN240" ->Memory Requirements</A -></DT -><DT ->2.4. <A -HREF="Bv9ARM.ch02.html#AEN245" ->Name Server Intensive Environment Issues</A -></DT -><DT ->2.5. <A -HREF="Bv9ARM.ch02.html#AEN248" ->Supported Operating Systems</A -></DT -></DL -></DIV -><DIV -CLASS="sect1" -><H1 -CLASS="sect1" -><A -NAME="AEN228" ->2.1. Hardware requirements</A -></H1 -><P -><ACRONYM -CLASS="acronym" ->DNS</ACRONYM -> hardware requirements have traditionally been quite modest. -For many installations, servers that have been pensioned off from -active duty have performed admirably as <ACRONYM -CLASS="acronym" ->DNS</ACRONYM -> servers.</P -><P ->The DNSSEC and IPv6 features of <ACRONYM -CLASS="acronym" ->BIND</ACRONYM -> 9 may prove to be quite -CPU intensive however, so organizations that make heavy use of these -features may wish to consider larger systems for these applications. -<ACRONYM -CLASS="acronym" ->BIND</ACRONYM -> 9 is fully multithreaded, allowing full utilization of -multiprocessor systems for installations that need it.</P -></DIV -><DIV -CLASS="sect1" -><H1 -CLASS="sect1" -><A -NAME="AEN236" ->2.2. CPU Requirements</A -></H1 -><P ->CPU requirements for <ACRONYM -CLASS="acronym" ->BIND</ACRONYM -> 9 range from i486-class machines -for serving of static zones without caching, to enterprise-class -machines if you intend to process many dynamic updates and DNSSEC -signed zones, serving many thousands of queries per second.</P -></DIV -><DIV -CLASS="sect1" -><H1 -CLASS="sect1" -><A -NAME="AEN240" ->2.3. Memory Requirements</A -></H1 -><P ->The memory of the server has to be large enough to fit the -cache and zones loaded off disk. The <B -CLASS="command" ->max-cache-size</B -> -option can be used to limit the amount of memory used by the cache, -at the expense of reducing cache hit rates and causing more <ACRONYM -CLASS="acronym" ->DNS</ACRONYM -> -traffic. It is still good practice to have enough memory to load -all zone and cache data into memory — unfortunately, the best way -to determine this for a given installation is to watch the name server -in operation. After a few weeks the server process should reach -a relatively stable size where entries are expiring from the cache as -fast as they are being inserted.</P -></DIV -><DIV -CLASS="sect1" -><H1 -CLASS="sect1" -><A -NAME="AEN245" ->2.4. Name Server Intensive Environment Issues</A -></H1 -><P ->For name server intensive environments, there are two alternative -configurations that may be used. The first is where clients and -any second-level internal name servers query a main name server, which -has enough memory to build a large cache. This approach minimizes -the bandwidth used by external name lookups. The second alternative -is to set up second-level internal name servers to make queries independently. -In this configuration, none of the individual machines needs to -have as much memory or CPU power as in the first alternative, but -this has the disadvantage of making many more external queries, -as none of the name servers share their cached data.</P -></DIV -><DIV -CLASS="sect1" -><H1 -CLASS="sect1" -><A -NAME="AEN248" ->2.5. Supported Operating Systems</A -></H1 -><P ->ISC <ACRONYM -CLASS="acronym" ->BIND</ACRONYM -> 9 compiles and runs on a large number -of Unix-like operating system and on Windows NT / 2000. For an up-to-date -list of supported systems, see the README file in the top level directory -of the BIND 9 source distribution.</P -></DIV -></DIV -><DIV -CLASS="NAVFOOTER" -><HR -ALIGN="LEFT" -WIDTH="100%"><TABLE -SUMMARY="Footer navigation table" -WIDTH="100%" -BORDER="0" -CELLPADDING="0" -CELLSPACING="0" -><TR -><TD -WIDTH="33%" -ALIGN="left" -VALIGN="top" -><A -HREF="Bv9ARM.ch01.html" -ACCESSKEY="P" ->Prev</A -></TD -><TD -WIDTH="34%" -ALIGN="center" -VALIGN="top" -><A -HREF="Bv9ARM.html" -ACCESSKEY="H" ->Home</A -></TD -><TD -WIDTH="33%" -ALIGN="right" -VALIGN="top" -><A -HREF="Bv9ARM.ch03.html" -ACCESSKEY="N" ->Next</A -></TD -></TR -><TR -><TD -WIDTH="33%" -ALIGN="left" -VALIGN="top" ->Introduction</TD -><TD -WIDTH="34%" -ALIGN="center" -VALIGN="top" -> </TD -><TD -WIDTH="33%" -ALIGN="right" -VALIGN="top" ->Name Server Configuration</TD -></TR -></TABLE -></DIV -></BODY -></HTML ->
\ No newline at end of file |