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REVENUE (Tables) | 6 Months Ended
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Apr. 27, 2024
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | The tables below set forth Ciena’s disaggregated revenue for the periods indicated (in thousands):
| Quarter Ended April 27, 2024
| Networking Platforms |  | Platform Software and Services |  | Blue Planet Automation Software and Services |  | Global Services |  | Total
Product lines: |  |  |  |  |  |  |  |  |
Optical Networking | $ | 560,224 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 560,224 |
Routing and Switching | 116,034 |  |  | — |  |  | — |  |  | — |  |  | 116,034 |
Platform Software and Services | — |  |  | 85,445 |  |  | — |  |  | — |  |  | 85,445 |
Blue Planet Automation Software and Services | — |  |  | — |  |  | 14,434 |  |  | — |  |  | 14,434 |
Maintenance Support and Training | — |  |  | — |  |  | — |  |  | 77,410 |  |  | 77,410 |
Installation and Deployment | — |  |  | — |  |  | — |  |  | 43,785 |  |  | 43,785 |
Consulting and Network Design | — |  |  | — |  |  | — |  |  | 13,494 |  |  | 13,494 |
Total revenue by product line | $ | 676,258 |  |  | $ | 85,445 |  |  | $ | 14,434 |  |  | $ | 134,689 |  |  | $ | 910,826 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
Products and services at a point in time | $ | 676,258 |  |  | $ | 22,689 |  |  | $ | 2,848 |  |  | $ | 10,432 |  |  | $ | 712,227 |
Services transferred over time | — |  |  | 62,756 |  |  | 11,586 |  |  | 124,257 |  |  | 198,599 |
Total revenue by timing of revenue recognition | $ | 676,258 |  |  | $ | 85,445 |  |  | $ | 14,434 |  |  | $ | 134,689 |  |  | $ | 910,826 |
| Quarter Ended April 29, 2023
| Networking Platforms |  | Platform Software and Services |  | Blue Planet Automation Software and Services |  | Global Services |  | Total
Product lines: |  |  |  |  |  |  |  |  |
Optical Networking | $ | 784,549 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 784,549 |
Routing and Switching | 130,310 |  |  | — |  |  | — |  |  | — |  |  | 130,310 |
Platform Software and Services | — |  |  | 69,443 |  |  | — |  |  | — |  |  | 69,443 |
Blue Planet Automation Software and Services | — |  |  | — |  |  | 20,567 |  |  | — |  |  | 20,567 |
Maintenance Support and Training | — |  |  | — |  |  | — |  |  | 73,160 |  |  | 73,160 |
Installation and Deployment | — |  |  | — |  |  | — |  |  | 39,486 |  |  | 39,486 |
Consulting and Network Design | — |  |  | — |  |  | — |  |  | 15,140 |  |  | 15,140 |
Total revenue by product line | $ | 914,859 |  |  | $ | 69,443 |  |  | $ | 20,567 |  |  | $ | 127,786 |  |  | $ | 1,132,655 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
Products and services at a point in time | $ | 914,859 |  |  | $ | 13,447 |  |  | $ | 7,329 |  |  | $ | 15,412 |  |  | $ | 951,047 |
Services transferred over time | — |  |  | 55,996 |  |  | 13,238 |  |  | 112,374 |  |  | 181,608 |
Total revenue by timing of revenue recognition | $ | 914,859 |  |  | $ | 69,443 |  |  | $ | 20,567 |  |  | $ | 127,786 |  |  | $ | 1,132,655 |
| Six Months Ended April 27, 2024
| Networking Platforms |  | Platform Software and Services |  | Blue Planet Automation Software and Services |  | Global Services |  | Total
Product lines: |  |  |  |  |  |  |  |  |
Optical Networking | $ | 1,256,072 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,256,072 |
Routing and Switching | 227,421 |  |  | — |  |  | — |  |  | — |  |  | 227,421 |
Platform Software and Services | — |  |  | 175,190 |  |  | — |  |  | — |  |  | 175,190 |
Blue Planet Automation Software and Services | — |  |  | — |  |  | 28,376 |  |  | — |  |  | 28,376 |
Maintenance Support and Training | — |  |  | — |  |  | — |  |  | 151,525 |  |  | 151,525 |
Installation and Deployment | — |  |  | — |  |  | — |  |  | 86,509 |  |  | 86,509 |
Consulting and Network Design | — |  |  | — |  |  | — |  |  | 23,442 |  |  | 23,442 |
Total revenue by product line | $ | 1,483,493 |  |  | $ | 175,190 |  |  | $ | 28,376 |  |  | $ | 261,476 |  |  | $ | 1,948,535 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
Products and services at a point in time | $ | 1,483,493 |  |  | $ | 50,383 |  |  | $ | 3,916 |  |  | $ | 20,071 |  |  | $ | 1,557,863 |
Services transferred over time | — |  |  | 124,807 |  |  | 24,460 |  |  | 241,405 |  |  | 390,672 |
Total revenue by timing of revenue recognition | $ | 1,483,493 |  |  | $ | 175,190 |  |  | $ | 28,376 |  |  | $ | 261,476 |  |  | $ | 1,948,535 |
| Six months ended April 29, 2023
| Networking Platforms |  | Platform Software and Services |  | Blue Planet Automation Software and Services |  | Global Services |  | Total
Product lines: |  |  |  |  |  |  |  |  |
Optical Networking | $ | 1,520,183 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,520,183 |
Routing and Switching | 249,814 |  |  | — |  |  | — |  |  | — |  |  | 249,814 |
Platform Software and Services | — |  |  | 142,888 |  |  | — |  |  | — |  |  | 142,888 |
Blue Planet Automation Software and Services | — |  |  | — |  |  | 35,973 |  |  | — |  |  | 35,973 |
Maintenance Support and Training | — |  |  | — |  |  | — |  |  | 141,051 |  |  | 141,051 |
Installation and Deployment | — |  |  | — |  |  | — |  |  | 74,061 |  |  | 74,061 |
Consulting and Network Design | — |  |  | — |  |  | — |  |  | 25,206 |  |  | 25,206 |
Total revenue by product line | $ | 1,769,997 |  |  | $ | 142,888 |  |  | $ | 35,973 |  |  | $ | 240,318 |  |  | $ | 2,189,176 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
Products and services at a point in time | $ | 1,769,997 |  |  | $ | 32,311 |  |  | $ | 11,312 |  |  | $ | 24,667 |  |  | $ | 1,838,287 |
Services transferred over time | — |  |  | 110,577 |  |  | 24,661 |  |  | 215,651 |  |  | 350,889 |
Total revenue by timing of revenue recognition | $ | 1,769,997 |  |  | $ | 142,888 |  |  | $ | 35,973 |  |  | $ | 240,318 |  |  | $ | 2,189,176 |
For the periods indicated, Ciena’s geographic distribution of revenue was as follows (in thousands):
|  | Quarter Ended |  | Six Months Ended
|  | April 27, |  | April 29, |  | April 27, |  | April 29,
|  | 2024 |  | 2023 |  | 2024 |  | 2023
Geographic distribution: |  |  |  |  |  |  |  |
Americas |  | $ | 662,877 |  |  | $ | 794,359 |  |  | $ | 1,381,075 |  |  | $ | 1,559,455 |
EMEA |  | 155,791 |  |  | 173,414 |  |  | 363,203 |  |  | 326,218 |
APAC |  | 92,158 |  |  | 164,882 |  |  | 204,257 |  |  | 303,503 |
Total revenue by geographic distribution |  | $ | 910,826 |  |  | $ | 1,132,655 |  |  | $ | 1,948,535 |  |  | $ | 2,189,176 |
For the periods indicated, the only customers that accounted for at least 10% of Ciena’s revenue were as follows (in thousands):
| Quarter Ended |  | Six Months Ended
| April 27, |  | April 29, |  | April 27, |  | April 29,
| 2024 |  | 2023 |  | 2024 |  | 2023
AT&T | $ | 125,493 |  |  | n/a |  | $ | 211,705 |  |  | $ | 251,329 |
Cloud Provider | n/a |  | $ | 123,452 |  |  | n/a |  | 244,779 |
Total | $ | 125,493 |  |  | $ | 123,452 |  |  | $ | 211,705 |  |  | $ | 496,108 |
_____________________________________ n/a Denotes revenue representing less than 10% of total revenue for the period
Schedule of Contract Balances | The following table provides information about receivables, contract assets and contract liabilities (deferred revenue) from contracts with customers as of the dates indicated (in thousands):
|  | Balance at April 27, 2024 |  | Balance at October 28, 2023
Accounts receivable, net |  | $ | 840,131 |  |  | $ | 1,003,876 |
Contract assets for unbilled accounts receivable, net |  | $ | 151,896 |  |  | $ | 150,312 |
Deferred revenue |  | $ | 277,354 |  |  | $ | 228,460 |
As of the dates indicated, deferred revenue is comprised of the following (in thousands):
| April 27, 2024 |  | October 28, 2023
Products | $ | 22,583 |  |  | $ | 28,353 |
Services | 254,771 |  |  | 200,107 |
Total deferred revenue | 277,354 |  |  | 228,460 |
Less current portion | (196,989) |  |  | (154,419) |
Long-term deferred revenue | $ | 80,365 |  |  | $ | 74,041 |

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