Category Archives: Path Optimization

LISP VM-Mobility:   Traditionally, an IP address uses a unique identifier assigned to a specific network entity such as physical system, virtual machine or firewall, etc. The routed WAN uses the identifier to also determine the network entity’s location in … Continue reading →

VCenter has the ability to manually or dynamically control system resource use and allocate workload based on the physical resources available throughout the cloud. The Cisco ACE has the ability to distribute traffic load to multiple physical or virtual servers … Continue reading →

The Cisco load balancing service module, ACE, provides real-time information about the preferred route to access a specific application or service after it has moved to a new location. The ACE continually probes the state of the applications for which … Continue reading →

The Global Site Selector (GSS) is an Intelligent Domain Name Server that distributes the user’s requests to the remote sites where the applications are active. The GSS has already been described at the beginning of this article (Global Site Load … Continue reading →

When a user accesses an application running in a distant resource, the client must be able to use the optimal path and be dynamically redirected to the data center supporting the active application or VM. However, as explained previously, the … Continue reading →

The same function of IP localization can be applied to outbound traffic so that the responses from a server sent to an end-user can exit through its local WAN access without returning the session to the default gateway of origin. … Continue reading →

When a server migrates from one site to another, it must return the traffic to its default gateway because its IP address schema remains the same regardless of its physical location. Since there is one IP address (or virtual IP … Continue reading →