Here is the code with the connection between HTTP REQUEST and GATE node. You will see that the request will take longer compared to the case the CONNECTION is disconnected...
Instead of my URL from the CAM I used a picture from the internet.
[{"id":"81112407.19761","type":"tab","label":"Flow 1","disabled":false,"info":""},{"id":"a4ed9580.a498c8","type":"http request","z":"81112407.19761","name":"","method":"GET","ret":"bin","paytoqs":"ignore","url":"http://placekitten.com/300/300","tls":"","persist":false,"proxy":"","authType":"","x":430,"y":100,"wires":[["c2976493.81c34","a8218af0.7d98c8","48319a06.09efe4"]]},{"id":"229b825b.37cb5e","type":"tensorflowCoco","z":"81112407.19761","name":"","modelUrl":"http://localhost:1880/coco/model.json","scoreThreshold":"1","passthru":"bbox","lineColour":"yellow","x":810,"y":100,"wires":[["3ef574b6.30ae5c","34f8ab62.de17a4"]]},{"id":"3ef574b6.30ae5c","type":"image","z":"81112407.19761","name":"","width":"500","data":"image","dataType":"msg","thumbnail":false,"active":false,"pass":false,"outputs":0,"x":1000,"y":160,"wires":[]},{"id":"34f8ab62.de17a4","type":"change","z":"81112407.19761","name":"","rules":[{"t":"set","p":"payload","pt":"msg","to":"{\"cars\":$count(payload[class=\"car\"]\t),\"person\":$count(payload[class=\"person\"]\t),\"umbrella\":$count(payload[class=\"umbrella\"]\t),\"bicycle\":$count(payload[class=\"bicycle\"]\t),\"motorcycle\":$count(payload[class=\"motorcycle\"]\t)}","tot":"jsonata"}],"action":"","property":"","from":"","to":"","reg":false,"x":1010,"y":100,"wires":[["6cd0d21a.672f34"]]},{"id":"7500d0ba.c45608","type":"debug","z":"81112407.19761","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","targetType":"msg","statusVal":"","statusType":"auto","x":1330,"y":100,"wires":[]},{"id":"6cd0d21a.672f34","type":"json","z":"81112407.19761","name":"","property":"payload","action":"str","pretty":false,"x":1170,"y":100,"wires":[["7500d0ba.c45608"]]},{"id":"5b195891.b91fb","type":"change","z":"81112407.19761","name":"START","rules":[{"t":"set","p":"command","pt":"msg","to":"stop","tot":"str"},{"t":"set","p":"command","pt":"msg","to":"reset","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":660,"y":440,"wires":[["b5526ad2.e5be78","9a9c3c01.8e3c7"]]},{"id":"a8218af0.7d98c8","type":"change","z":"81112407.19761","name":"STOP","rules":[{"t":"set","p":"command","pt":"msg","to":"stop","tot":"str"},{"t":"set","p":"command","pt":"msg","to":"status","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":650,"y":480,"wires":[["b5526ad2.e5be78","9a9c3c01.8e3c7"]]},{"id":"b5526ad2.e5be78","type":"hourglass","z":"81112407.19761","name":"Hourglas","persistId":"","humanizeLocale":"","x":900,"y":420,"wires":[["956b81b6.cc7518"]]},{"id":"956b81b6.cc7518","type":"debug","z":"81112407.19761","name":"MS","active":true,"tosidebar":true,"console":false,"tostatus":true,"complete":"elapsed.millis","targetType":"msg","statusVal":"elapsed.millis","statusType":"auto","x":1050,"y":420,"wires":[]},{"id":"9a9c3c01.8e3c7","type":"debug","z":"81112407.19761","name":"last command","active":false,"tosidebar":false,"console":false,"tostatus":true,"complete":"command","targetType":"msg","statusVal":"command","statusType":"auto","x":940,"y":480,"wires":[]},{"id":"311583b7.031d5c","type":"complete","z":"81112407.19761","name":"","scope":["6cd0d21a.672f34"],"uncaught":false,"x":130,"y":140,"wires":[["474f92d6.2da634","5b195891.b91fb"]]},{"id":"474f92d6.2da634","type":"delay","z":"81112407.19761","name":"","pauseType":"delay","timeout":"1","timeoutUnits":"seconds","rate":"1","nbRateUnits":"1","rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":false,"x":300,"y":140,"wires":[["a4ed9580.a498c8"]]},{"id":"48319a06.09efe4","type":"gate","z":"81112407.19761","name":"GATE","controlTopic":"control","defaultState":"open","openCmd":"open","closeCmd":"close","toggleCmd":"toggle","defaultCmd":"default","statusCmd":"","persist":false,"x":650,"y":100,"wires":[["229b825b.37cb5e"]]},{"id":"857820fb.e0137","type":"change","z":"81112407.19761","name":"","rules":[{"t":"set","p":"payload","pt":"msg","to":"open","tot":"str"},{"t":"set","p":"topic","pt":"msg","to":"control","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":460,"y":60,"wires":[["48319a06.09efe4"]]},{"id":"3abed264.c60e26","type":"change","z":"81112407.19761","name":"","rules":[{"t":"set","p":"payload","pt":"msg","to":"close","tot":"str"},{"t":"set","p":"topic","pt":"msg","to":"control","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":340,"y":220,"wires":[["48319a06.09efe4"]]},{"id":"693514f1.aa38d4","type":"inject","z":"81112407.19761","name":"Start","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"date","x":150,"y":100,"wires":[["a4ed9580.a498c8","857820fb.e0137","5b195891.b91fb"]]},{"id":"b5953c49.daa09","type":"inject","z":"81112407.19761","name":"Stop","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"date","x":150,"y":220,"wires":[["3abed264.c60e26"]]},{"id":"c2976493.81c34","type":"image","z":"81112407.19761","name":"","width":"200","data":"payload","dataType":"msg","thumbnail":false,"active":true,"pass":false,"outputs":0,"x":680,"y":160,"wires":[]}]