A switch fabric includes input links, output links, and at least one
switching element. The input links are configured to receive data items
that include destination addresses. At least some of the data items have
different priority levels. The output links are configured to output the
data items. Each of the output links is assigned multiple ones of the
destination addresses. Each of the destination addresses corresponds to
one of the priority levels. The switching element(s) is/are configured to
receive the data items from the input links and send the data items to
ones of the output links without regard to the priority levels of the
data items.