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REVENUE (Tables) | 9 Months Ended
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Jul. 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 July 27, 2024
| Networking Platforms |  | Platform Software and Services |  | Blue Planet Automation Software and Services |  | Global Services |  | Total
Product lines: |  |  |  |  |  |  |  |  |
Optical Networking | $ | 606,845 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 606,845 |
Routing and Switching | 92,692 |  |  | — |  |  | — |  |  | — |  |  | 92,692 |
Platform Software and Services | — |  |  | 83,212 |  |  | — |  |  | — |  |  | 83,212 |
Blue Planet Automation Software and Services | — |  |  | — |  |  | 25,791 |  |  | — |  |  | 25,791 |
Maintenance Support and Training | — |  |  | — |  |  | — |  |  | 74,344 |  |  | 74,344 |
Installation and Deployment | — |  |  | — |  |  | — |  |  | 46,484 |  |  | 46,484 |
Consulting and Network Design | — |  |  | — |  |  | — |  |  | 12,940 |  |  | 12,940 |
Total revenue by product line | $ | 699,537 |  |  | $ | 83,212 |  |  | $ | 25,791 |  |  | $ | 133,768 |  |  | $ | 942,308 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
Products and services at a point in time | $ | 699,537 |  |  | $ | 18,766 |  |  | $ | 11,614 |  |  | $ | 9,833 |  |  | $ | 739,750 |
Services transferred over time | — |  |  | 64,446 |  |  | 14,177 |  |  | 123,935 |  |  | 202,558 |
Total revenue by timing of revenue recognition | $ | 699,537 |  |  | $ | 83,212 |  |  | $ | 25,791 |  |  | $ | 133,768 |  |  | $ | 942,308 |
| Quarter Ended July 29, 2023
| Networking Platforms |  | Platform Software and Services |  | Blue Planet Automation Software and Services |  | Global Services |  | Total
Product lines: |  |  |  |  |  |  |  |  |
Optical Networking | $ | 718,997 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 718,997 |
Routing and Switching | 127,563 |  |  | — |  |  | — |  |  | — |  |  | 127,563 |
Platform Software and Services | — |  |  | 78,880 |  |  | — |  |  | — |  |  | 78,880 |
Blue Planet Automation Software and Services | — |  |  | — |  |  | 13,167 |  |  | — |  |  | 13,167 |
Maintenance Support and Training | — |  |  | — |  |  | — |  |  | 72,887 |  |  | 72,887 |
Installation and Deployment | — |  |  | — |  |  | — |  |  | 46,840 |  |  | 46,840 |
Consulting and Network Design | — |  |  | — |  |  | — |  |  | 9,552 |  |  | 9,552 |
Total revenue by product line | $ | 846,560 |  |  | $ | 78,880 |  |  | $ | 13,167 |  |  | $ | 129,279 |  |  | $ | 1,067,886 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
Products and services at a point in time | $ | 846,560 |  |  | $ | 15,980 |  |  | $ | 2,832 |  |  | $ | 11,886 |  |  | $ | 877,258 |
Services transferred over time | — |  |  | 62,900 |  |  | 10,335 |  |  | 117,393 |  |  | 190,628 |
Total revenue by timing of revenue recognition | $ | 846,560 |  |  | $ | 78,880 |  |  | $ | 13,167 |  |  | $ | 129,279 |  |  | $ | 1,067,886 |
| Nine Months Ended July 27, 2024
| Networking Platforms |  | Platform Software and Services |  | Blue Planet Automation Software and Services |  | Global Services |  | Total
Product lines: |  |  |  |  |  |  |  |  |
Optical Networking | $ | 1,862,917 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,862,917 |
Routing and Switching | 320,113 |  |  | — |  |  | — |  |  | — |  |  | 320,113 |
Platform Software and Services | — |  |  | 258,402 |  |  | — |  |  | — |  |  | 258,402 |
Blue Planet Automation Software and Services | — |  |  | — |  |  | 54,167 |  |  | — |  |  | 54,167 |
Maintenance Support and Training | — |  |  | — |  |  | — |  |  | 225,869 |  |  | 225,869 |
Installation and Deployment | — |  |  | — |  |  | — |  |  | 132,993 |  |  | 132,993 |
Consulting and Network Design | — |  |  | — |  |  | — |  |  | 36,382 |  |  | 36,382 |
Total revenue by product line | $ | 2,183,030 |  |  | $ | 258,402 |  |  | $ | 54,167 |  |  | $ | 395,244 |  |  | $ | 2,890,843 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
Products and services at a point in time | $ | 2,183,030 |  |  | $ | 69,149 |  |  | $ | 15,530 |  |  | $ | 29,904 |  |  | $ | 2,297,613 |
Services transferred over time | — |  |  | 189,253 |  |  | 38,637 |  |  | 365,340 |  |  | 593,230 |
Total revenue by timing of revenue recognition | $ | 2,183,030 |  |  | $ | 258,402 |  |  | $ | 54,167 |  |  | $ | 395,244 |  |  | $ | 2,890,843 |
| Nine months ended July 29, 2023
| Networking Platforms |  | Platform Software and Services |  | Blue Planet Automation Software and Services |  | Global Services |  | Total
Product lines: |  |  |  |  |  |  |  |  |
Optical Networking | $ | 2,239,180 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,239,180 |
Routing and Switching | 377,378 |  |  | — |  |  | — |  |  | — |  |  | 377,378 |
Platform Software and Services | — |  |  | 221,768 |  |  | — |  |  | — |  |  | 221,768 |
Blue Planet Automation Software and Services | — |  |  | — |  |  | 49,139 |  |  | — |  |  | 49,139 |
Maintenance Support and Training | — |  |  | — |  |  | — |  |  | 213,938 |  |  | 213,938 |
Installation and Deployment | — |  |  | — |  |  | — |  |  | 120,901 |  |  | 120,901 |
Consulting and Network Design | — |  |  | — |  |  | — |  |  | 34,758 |  |  | 34,758 |
Total revenue by product line | $ | 2,616,558 |  |  | $ | 221,768 |  |  | $ | 49,139 |  |  | $ | 369,597 |  |  | $ | 3,257,062 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
Products and services at a point in time | $ | 2,616,558 |  |  | $ | 48,290 |  |  | $ | 14,143 |  |  | $ | 36,553 |  |  | $ | 2,715,544 |
Services transferred over time | — |  |  | 173,478 |  |  | 34,996 |  |  | 333,044 |  |  | 541,518 |
Total revenue by timing of revenue recognition | $ | 2,616,558 |  |  | $ | 221,768 |  |  | $ | 49,139 |  |  | $ | 369,597 |  |  | $ | 3,257,062 |
For the periods indicated, Ciena’s geographic distribution of revenue was as follows (in thousands):
|  | Quarter Ended |  | Nine Months Ended
|  | July 27, |  | July 29, |  | July 27, |  | July 29,
|  | 2024 |  | 2023 |  | 2024 |  | 2023
Geographic distribution: |  |  |  |  |  |  |  |
Americas |  | $ | 718,605 |  |  | $ | 749,479 |  |  | $ | 2,099,680 |  |  | $ | 2,308,934 |
EMEA |  | 135,009 |  |  | 152,834 |  |  | 498,212 |  |  | 479,053 |
APAC |  | 88,694 |  |  | 165,573 |  |  | 292,951 |  |  | 469,075 |
Total revenue by geographic distribution |  | $ | 942,308 |  |  | $ | 1,067,886 |  |  | $ | 2,890,843 |  |  | $ | 3,257,062 |
For the periods indicated, the only customers that accounted for at least 10% of Ciena’s revenue were as follows (in thousands):
| Quarter Ended |  | Nine Months Ended
| July 27, |  | July 29, |  | July 27, |  | July 29,
| 2024 |  | 2023 |  | 2024 |  | 2023
Cloud Provider | $ | 137,184 |  |  | $ | 124,897 |  |  | $ | 331,631 |  |  | $ | 369,678 |
AT&T | 113,082 |  |  | n/a |  | 324,787 |  |  | 357,382 |
Total | $ | 250,266 |  |  | $ | 124,897 |  |  | $ | 656,418 |  |  | $ | 727,060 |
_____________________________________ 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 July 27, 2024 |  | Balance at October 28, 2023
Accounts receivable, net |  | $ | 899,877 |  |  | $ | 1,003,876 |
Contract assets for unbilled accounts receivable, net |  | $ | 142,769 |  |  | $ | 150,312 |
Deferred revenue |  | $ | 257,085 |  |  | $ | 228,460 |
As of the dates indicated, deferred revenue is comprised of the following (in thousands):
| July 27, 2024 |  | October 28, 2023
Products | $ | 20,081 |  |  | $ | 28,353 |
Services | 237,004 |  |  | 200,107 |
Total deferred revenue | 257,085 |  |  | 228,460 |
Less current portion | (179,457) |  |  | (154,419) |
Long-term deferred revenue | $ | 77,628 |  |  | $ | 74,041 |

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