While the overhead of polling can be mitigated significantly by the use of caches on the server side, it is often criticized as wasteful to clients as they they need to reestablish connections and transfer payloads repeatedly.
This can be optimized by using conditional GET requests, so that a client only receives a 304 Not Modified.
While the overhead of polling can be mitigated significantly by the use of caches on the server side, it is often criticized as wasteful to clients as they they need to reestablish connections and transfer payloads repeatedly.
This can be optimized by using conditional
GET
requests, so that a client only receives a304 Not Modified
.