Liu Tongtong, He Rongxi, Chen Xiaojing. Holding-Time-Aware Multipath Routing and Spectrum Allocation Algorithm in SD-EON with Traffic Grooming[J]. Laser & Optoelectronics Progress, 2020, 57(21): 210602
- Laser & Optoelectronics Progress
- Vol. 57, Issue 21, 210602 (2020)
Fig. 1. Four business connection establishment strategies. (a) Strategy1; (b) strategy2; (c) strategy3; (d) strategy4
Fig. 2. Flow chart of the first stage
Fig. 3. Flow chart of the second stage
Fig. 4. Flow chart of the third stage
Fig. 5. Flow chart of HMRSA-TG algorithm
Fig. 6. Resource occupation of different algorithms. (a) Network topology; (b) resource occupation of different links (frequency domain); (c) resource occupation of lCD; (d) resource occupation of lAB; (e) resource occupationof lBC; (f) resource occupation of lEC
Fig. 7. Resource occupation of each link after the path r6 is connected by HMRSA-TG algorithm.(a)lAB;(b)lBC;(c)lEC;(d)lCE;(e)lDC;(f)lCD
Fig. 8. Resource occupation of each link after the path r6 is connected by MPFA algorithm. (a)lAB;(b)lBC;(c)lEC;(d)lCE;(e)lDC;(f)lCD
Fig. 9. Blocking rate performance of different algorithms. (a) NSFNet; (b) USFNet
Fig. 10. Spectrum utilization of different algorithms. (a) NSFNet; (b) USFNet
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Table 1. Correspondence between modulation format and transmission distance [11]
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Table 2. Comparison of three algorithms
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