Symphonic poem temporary stop to the debate as to whether the genre was dead. Nevertheless, composers began to explore the "more compact form" of the concert overture "...as a vehicle within which to blend musical, narrative and pictoral ideas." Examples included Mendelssohn's overtures "A Midsummer Night's Dream" (1826) and "The Hebrides" (1830). Between 1845 and 1847, the Belgian composer César Franck wrote an orchestral piece based on Victor Hugo's poem "Ce qu'on entend sur la montagne". The work exhibits characteristics of a symphonic poem, and some musicologists, such as Norman Demuth and Julien Tiersot, consider it the first of its genre, preceding
Overture Networks with the launch of a new product, "Ensemble OSA". "Ensemble OSA" is an open architecture based on open API standards like OpenFlow and has three layers, which may include Overture-developed components, as well as those developed by service providers or third-party vendors. Overture followed this with the release of the Overture 6500, the first "Ensemble OSA"-ready platform and the inaugural product in its Open Service Delivery Family product line. In January 2016, Overture was acquired by ADVA Optical Networking in a $35 million purchase which was reported to involve "an additional $5 million conditional 'earn-out' payment". Overture's products were generally