Edge node for connecting Ethernet and optical burst switching network
A technology of optical burst switching and edge nodes, which is applied in data switching networks, digital transmission systems, electrical components, etc., and can solve problems such as inability to improve congestion at edge nodes
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Embodiment 1
[0062] Refer to attached figure 1
[0063] The edge node used to connect the Ethernet and the optical burst switching network, including: a physical layer device that realizes the physical layer access of the Ethernet frame, and transmits data from the Ethernet to the first switching module and the optical burst switching network Transmitting data from the optical burst switching network to the second switching module of the Ethernet;
[0064] Described first switch module comprises: analyze ethernet frame to obtain its destination address, and this ethernet frame is assembled into BCP burst packet and BDP burst packet solution ethernet frame-group burst packet unit, to burst Early detection of packet congestion, reduce the sending rate before the router buffer queue overflows, and store each burst packet according to its destination address, and search for an idle control channel, and use the wavelength corresponding to the idle control channel to send the BCP burst send th...
Embodiment 2
[0110] Combining examples and Figure 2-9 , to further illustrate the present invention:
[0111] Such as figure 2 As shown, A, B, and C represent three edge nodes of the optical burst switching network; 1, 2, and 3 represent three core nodes of the optical burst switching network; BCP2 represents a BCP burst packet whose destination address is 2; BDP2 Indicates the BDP burst packet with the destination address 2; BCP3 indicates the BCP burst packet with the destination address 3; BDP3 indicates the BDP burst packet with the destination address 3.
[0112] Suppose there are Ethernet frames Y1, Y2~Y6 that need to be transmitted from Ethernet 1 to Ethernet 2 or Ethernet 3; the source addresses of Y1, Y2, and Y4 are users 1, 2, and 4 of Ethernet 1, and the destination addresses are Ethernet The source addresses of users 1, 2, and 4 of 2; the source addresses of Y3, Y5, and Y6 are users 3, 5, and 6 of Ethernet 1, and the destination addresses are users 3, 5, and 6 of Ethernet 3...
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