The selection of Juniper Networks' PTX Series Routers by Summit Communications is a positive development for Juniper, indicating the company's competitive strength in the networking sector. This deal is likely to have a favorable impact on investor sentiment and could lead to potential revenue growth from this and similar deals in the region. The news is directly related to Juniper's product offering and its ability to secure international contracts, which is important for investors. The confidence in this analysis is high due to the clear connection between the product selection and Juniper Networks' business.