Brainstem death is a clinical syndrome defined by the absence of reflexes with pathways through the brainstemâthe stalk of the brain, which connects the spinal cord to the mid-brain, cerebellum and cerebral hemispheresâin a deeply comatose, ventilator-dependent patient. Identification of this state carries a very grave prognosis for survival; cessation of heartbeat often occurs within a few days although it may continue for weeks or even months if intensive support is maintained. In ...
Collecting the Traffic Demand Matrices. The core traffic demand matrix is the matrix of ingress-to-egress traffic demands across the core network. Traffic matrices can be measured or estimated to different levels of aggregation: by IP prefix, by router, by point of presence (POP), or by autonomous system (AS).
Core Communications, Inc. (CoreTel) is a Competitive Local Exchange Carrier (CLEC) based in the Mid-Atlantic, United States, with a focus on bridging the gap between Carriers/Internet Service Providers (ISPs) and their end users. Today, CoreTel's business model is aimed at growth and profitability. Formed in 1997, CoreTel focuses on finding new ways to help its customers expand and grow their business. We offer a suite of wholesale services, including VoIP Networking, Fax to Email, Managed Modems and Bandwidth Solutions.