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cb3d8872c6
Signed-off-by: Radhika PC <radhika.puthiyetath@citrix.com> Signed-off-by: Joe Brockmeier <jzb@zonker.net>
114 lines
4.8 KiB
XML
114 lines
4.8 KiB
XML
<?xml version='1.0' encoding='utf-8' ?>
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<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
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%BOOK_ENTITIES;
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]>
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<!-- Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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<section id="basic-adv-networking">
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<title>Basic and Advanced Networking</title>
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<para>&PRODUCT; provides two styles of networking:.</para>
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<formalpara>
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<title>Basic</title>
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<para>For AWS-style networking. Provides a single network where guest isolation can be provided
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through layer-3 means such as security groups (IP address source filtering). </para>
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</formalpara>
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<formalpara>
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<title>Advanced</title>
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<para>For more sophisticated network topologies. This network model provides the most
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flexibility in defining guest networks, but requires more configuration steps than basic
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networking.</para>
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</formalpara>
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<para>Each zone has either basic or advanced networking. Once the choice of networking model for a
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zone has been made and configured in &PRODUCT;, it can not be changed. A zone is either
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basic or advanced for its entire lifetime.</para>
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<para>The following table compares the networking features in the two networking models.</para>
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<informaltable>
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<tgroup cols="3" align="left" colsep="1" rowsep="1">
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<thead>
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<row>
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<entry><para>Networking Feature</para></entry>
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<entry><para>Basic Network</para></entry>
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<entry><para>Advanced Network</para></entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry><para>Number of networks</para></entry>
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<entry><para>Single network</para></entry>
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<entry><para>Multiple networks</para></entry>
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</row>
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<row>
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<entry><para>Firewall type</para></entry>
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<entry><para>Physical</para></entry>
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<entry><para>Physical and Virtual</para></entry>
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</row>
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<row>
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<entry><para>Load balancer</para></entry>
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<entry><para>Physical</para></entry>
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<entry><para>Physical and Virtual</para></entry>
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</row>
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<row>
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<entry><para>Isolation type</para></entry>
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<entry><para>Layer 3</para></entry>
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<entry><para>Layer 2 and Layer 3</para></entry>
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</row>
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<row>
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<entry><para>VPN support</para></entry>
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<entry><para>No</para></entry>
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<entry><para>Yes</para></entry>
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</row>
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<row>
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<entry><para>Port forwarding</para></entry>
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<entry><para>Physical</para></entry>
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<entry><para>Physical and Virtual</para></entry>
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</row>
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<row>
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<entry><para>1:1 NAT</para></entry>
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<entry><para>Physical</para></entry>
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<entry><para>Physical and Virtual</para></entry>
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</row>
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<row>
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<entry><para>Source NAT</para></entry>
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<entry><para>No</para></entry>
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<entry><para>Physical and Virtual</para></entry>
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</row>
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<row>
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<entry><para>Userdata</para></entry>
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<entry><para>Yes</para></entry>
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<entry><para>Yes</para></entry>
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</row>
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<row>
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<entry><para>Network usage monitoring</para></entry>
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<entry><para>sFlow / netFlow at physical router</para></entry>
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<entry><para>Hypervisor and Virtual Router</para></entry>
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</row>
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<row>
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<entry><para>DNS and DHCP</para></entry>
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<entry><para>Yes</para></entry>
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<entry><para>Yes</para></entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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<para>The two types of networking may be in use in the same cloud. However, a given zone must use
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either Basic Networking or Advanced Networking.</para>
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<para>Different types of network traffic can be segmented on the same physical network. Guest
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traffic can also be segmented by account. To isolate traffic, you can use separate VLANs. If you
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are using separate VLANs on a single physical network, make sure the VLAN tags are in separate
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numerical ranges.</para>
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</section>
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