ANO customers are able to remotely program changes to their services. This is particularly relevant to enterprises that want control of their network services Interfaces to Billing Support Systems (BSS) to manage telephone companies' billing applications The ability to manage elements on Amazon's cloud services including EC2 (elastic cloud) by use of a plug-in. A plug-in is a small program that adds capabilities to a parent (larger) program. Plug-ins are also used in browsers Control and management of virtualized computing, storage and other network resources The ability to use containers. See Chapter 2, "Data Centers and LANs, Storage, and IP Private Branch Exchanges," for containers Consistent implementation of open standards across the industry Troubleshooting capabilities within networks The term East-West traffic and North-South traffic is used to refer to traffic within data centers and to data centers. East-West traffic refers to traffic between virtual machines in the same server or between servers in data centers, as in Figure 4-2. North-South traffic refers to traffic from a client where a person types in a request for information from a remote database, storage network, or specialized server. The client can be at a remote location or at the same location. North South Traffic Computers accessing the Internet-Client server traffic www.TechnicalPDF.com East west traffic in a data center Applications on virtual machines that communicate with each other Or applications in data centers searching for information in data bases database www.TechnicalPDF.com Figure 4-2 An example of server-to-server East- West traffic. Central Office Re-Architected as a Data Center -Streamlined Central Offices CORD is a set of specifications that lays out a way to design and equip a telephone company's central offices as data centers. The purpose is to implement central offices to be compatible with SDN and NFV SO that new services and applications can be delivered more quickly. It specifies open source software and commodity ha