openstack/openstack-manuals
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Merge "[Networking-guide] Few sentence corrections"

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Jenkins 2016-02-26 16:21:29 +00:00 committed by Gerrit Code Review
commit 5829fefdf4
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8
doc/networking-guide/source/intro-networking-components.rst
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@ -7,7 +7,7 @@ Switches
Switches are Multi-Input Multi-Output (MIMO) devices that enable packets
to travel from one node to another. Switches connect hosts that belong
to the same layer-2 network together. Switches enable forwarding of the
to the same layer-2 network. Switches enable forwarding of the
packet received on one port (input) to another port (output) so that they
reach the desired destination node. Switches operate at layer-2 in the
networking model. They forward the traffic based on the destination
@ -26,8 +26,8 @@ Firewalls
~~~~~~~~~
Firewalls are used to regulate traffic to and from a host or a network.
Firewalls can either be a specialized device connecting two networks or can
be a software-based filtering mechanism implemented on an operating system.
A firewall can be either a specialized device connecting two networks or
a software-based filtering mechanism implemented on an operating system.
Firewalls are used to restrict traffic to a host based on the rules
defined on the host. They can filter packets based on several criteria such as
source IP address, destination IP address, port numbers, connection state,
@ -38,7 +38,7 @@ through ``iptables``.
Load balancers
~~~~~~~~~~~~~~
A load balancer can be a software-based or a hardware-based device that allows
Load balancers can be software-based or hardware-based devices that allow
traffic to evenly be distributed across several servers. By distributing the
traffic across multiple servers, it avoids overload of a single server thereby
preventing a single point of failure in the product. This further improves the