Quality of service

There are several reasons why companies need to manage their bandwidth. Most importantly, is the fact that it is still a very expensive commodity.

Linked to this, several protocols are particularly bandwidth hungry, leaving others with insufficient capacity. Video and audio codecs require a high speed connection simply to function properly. There are also several protocols like Voice over IP that need a constant, uninterrupted connection. Last but not least, intelligent bandwidth management can contribute to preventing Denial Of Service and other malicious attacks.

NETASQ solutions provide a number of bandwidth management options. An administrator can allocate bandwidth for every protocol and policy rule. This is extremely helpful for applications such as VoIP or streaming protocols. Secondly, the network manager may choose to restrict bandwidth, making sure no protocol, host or user takes undesirable priority over another.

Also NETASQ’s IPS has several QoS mechanisms to protect against malicious hacking attempts. For example, the administrator can limit the amount of concurrent connections to avoid Denial of Service attacks.

NETASQ also enables traffic prioritization, in favor of high priority users or protocols.

All NETASQ UTM appliances have built-in bandwidth management capabilities without any requirement for an additional license. NETASQ’s IPS combines flexible bandwidth management with user authentication. This allows granular control of the bandwidth usage per protocol, per user and per group. Network managers can apply rules to enable allocation of bandwidth to priority applications and users, while limiting bandwidth for others.

Denial Of Service attacks against an internal server can be avoided by limiting the number of concurrent connections. NETASQ UTM also fully supports bandwidth protocols like TOS and DSCP. To ensure the highest possible level of bandwith management, a policy rule decision can even be based on the DSCP setting from another network device.