You can now get the best of both worlds for your IP edge network: virtualization and specialized routing hardware. So your networks can be fully optimized with the right routing platform in the right network location for your chosen mix of services. The 7750 SR is a high-performance, multiservice IP edge router.
School of Medicine, Family Medicine answered. The symptoms of a silent migraine are usually visual disturbances, dizziness or nausea, without a headache. Silent migraines are very unusual because nearly all migraine attacks cause a headache and are therefore not considered silent migraines.
For âclassical migraineâ sufferers, each migraine evolves through four separate stages, each with different symptoms. These stages include: 1  the prodrome (also known as premonitory) stage. 2  the aura (visual symptoms or tingling) 3  the headache or main attack stage.  the postdrome (or recovery) stage.