diff --git a/doc/networking-guide/source/intro-networking-components.rst b/doc/networking-guide/source/intro-networking-components.rst index 2493084aff..d42af95b18 100644 --- a/doc/networking-guide/source/intro-networking-components.rst +++ b/doc/networking-guide/source/intro-networking-components.rst @@ -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