In a data center, computer networking equipment is used to connect servers and storage systems to each other and to outside networks. In the past, data center networking was primarily based on proprietary hardware and software from a single vendor. However, in recent years there has been a shift towards using industry-standard hardware and software, such as Ethernet and the Internet Protocol (IP).
One of the most popular standards for data center networking is the Virtual Extensible LAN (VXLAN). VXLAN is a layer 2 overlay network that runs on top of an existing layer 3 network. It uses a virtual tunneling protocol, such as the Generic Routing Encapsulation (GRE), to encapsulate traffic between VXLAN nodes.
VXLAN has several advantages over traditional data center networking solutions. First, it is much easier to deploy and configure than other solutions. Second, it offers better scalability and performance. Third, it is more flexible and can be easily adapted to changing needs.
However, VXLAN also has some disadvantages. First, it is a relatively new technology, so there is not a lot of vendor support. Second, it requires more hardware resources than other solutions.
Cisco’s Application Centric Infrastructure (ACI) is another popular solution for data center networking. ACI is a software-defined networking (SDN) solution that uses a centralized controller to manage the network. It is designed to work with a variety of hardware and software platforms, including Cisco’s own Nexus switches.
ACI has many of the same advantages as VXLAN, such as ease of deployment, flexibility, and scalability. However, ACI also has some unique advantages. First, ACI uses a single point of control, which simplifies network management. Second, ACI is designed to work with a variety of devices and protocols, making it easier to integrate into existing data center environments.
ACI and VXLAN are both excellent choices for data center networking. However, ACI has some unique advantages that make it the better choice for many organizations.
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