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The VES-1616FE-53A/VES-1608FE-53A provides up to two Gigabit Combo ports for the upper layer network connections. Since VDSL2 ports support 100Mbps in a very short distance, VES-1616FE-53A/VES-1608FE-53A provides virtually non-blocking interconnections from the subscriber ports to the network interface ports in most environments and application scenarios.
The VES-1616FE-53A/VES-1608FE-53A provides Ethernet VLAN features for both security and performance purposes. A VLAN is used to isolate traffics between different users/applications in order to provide better security and performance. By limiting broadcast traffics within the VLAN broadcasting domain, the performance can be enhanced. The IGMP snooping function is provided in VES-1616FE-53A/VES-1608FE-53A to prevent unnecessary multicast traffic forwarding to all subscribers, thus optimizing bandwidth utilization for multicast applications such as broadcast video.
The multicast VLAN feature checks all VLANs to see if some have requested the same video stream. If it is the same video stream, only one request will be issued and the stream is distributed to all requesting VLANs. The total amount of the video streams can be reduced significantly.
In order to fulfill different customer needs, service providers need a network infrastructure that combines guaranteed performance and flexibility in service provisioning. Upstream rate limiting on VDSL2 subscriber ports allows services to step up with 32 Kbps increments for service providers to offer tiered services.
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