Abstract: A system performs joint placement and chaining of virtual network functions (VNFs) based on a genetic algorithm in response to a request for virtual network services, including an in-line service. The request includes a description of a virtual network of VNFs and virtual links connecting the VNFs. A description of a physical network including servers and physical links is provided. Each chromosome in a population encodes a mapping between the virtual links enumerated to form a locus and a corresponding sequence of server pairs. Each chromosome is evaluated against objective functions subject to constraints to identify a chromosome as a solution. The VNFs are placed on the servers according to the mapping encoded in the identified chromosome. According to the mapping, each VNF is mapped to one of the servers and each virtual link is mapped to a path composed of one or more of the physical links.

Abstract: Methods and articles of manufacture for an ordering system using a self-guided customer process are described. The ordering system is used by customers to select, measure, and order window treatments. The system utilizes a consistent ordering checklist that applies through all product categories, thus once a customer becomes familiar with ordering for one Product Category, such as Wood Blinds, ordering for another Product Category, such as Shades, is made easier because the process is consistent. The checklist for each Product Category corresponds to portions of the Order Form, making it easier for the customer to enter accurate information regarding product and design decisions into the Order form. The correspondence between the Product and Design selections is maintained by using numerals and letters (1(A,B,C, and D), 2, 3, and 4). A simplified measuring guide allows customers to take measurements for the appropriate products and enter the information in the Order Form.