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Networking
Network Latency and Bandwidth
The two key network metrics needed for Pano endpoints to perform equivalent to desktop PCs are network latency and bandwidth.
- Latency - round-trip should be 10 milliseconds (ms) or less. Over 10 ms may cause some display changes to lag on the Pano endpoint. Pano sessions can handle a network disconnect of up to 15 seconds before disconnecting.
- Bandwidth - allow around 500 Kbps (Kilobits per second) average bandwidth per Pano session for typical office applications workloads. To provide headroom for peak bandwidth bursts, increase the average bandwidth allowance by up to 50%.
Modern local area networks typically have no more than 2 ms round-trip latency. Even on a larger campus with multiple layers of switches and routers, a well-designed network should have no more than 5 ms latency - more than fast enough for Pano deployments.
Actual bandwidth consumed by Pano endpoints is highly dependent on the type of applications being used and how often they update the display. Some applications are graphically very rich and update the display very often (such as a media player showing HD video) – others don’t update large portions of the display often and use UI elements with solid colors that use less bandwidth than shaded or patterned areas (such as a character-based call center application).
Pano Remote and Networking
Pano Remote, which uses the Remote Desktop Protocol (RDP) rather than the Pano Direct Protocol used by Pano Zero Clients, can tolerate much higher latencies and lower bandwidth, primarily because it doesn't b the same level of user experience performance and multimedia support as a Pano Zero Client.
Pano Remote’s bandwidth usage can vary significantly as RDP will consume as much available bandwidth as it needs depending on what the user is doing. Consumer-level DSL or cable Internet links with 1+ Mbps in each direction are sufficient. And even with network latencies as high as 200 ms Pano Remote sessions still provide a very usable remote user experience.