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Revenue (Tables) | 12 Months Ended
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Oct. 31, 2020
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The tables below set forth Ciena’s disaggregated revenue for the respective period (in thousands):
| Year Ended October 31, 2020
| Networking Platforms |  | Platform Software and Services |  | Blue Planet Automation Software and Services |  | Global Services |  | Total
Product lines: |  |  |  |  |  |  |  |  |
Converged Packet Optical | $ | 2,547,647 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,547,647 |
Packet Networking | 267,416 |  |  | — |  |  | — |  |  | — |  |  | 267,416 |
Platform Software and Services | — |  |  | 197,809 |  |  | — |  |  | — |  |  | 197,809 |
Blue Planet Automation Software and Services | — |  |  | — |  |  | 62,632 |  |  | — |  |  | 62,632 |
Maintenance Support and Training | — |  |  | — |  |  | — |  |  | 269,354 |  |  | 269,354 |
Installation and Deployment | — |  |  | — |  |  | — |  |  | 152,003 |  |  | 152,003 |
Consulting and Network Design | — |  |  | — |  |  | — |  |  | 35,296 |  |  | 35,296 |
Total revenue by product line | $ | 2,815,063 |  |  | $ | 197,809 |  |  | $ | 62,632 |  |  | $ | 456,653 |  |  | $ | 3,532,157 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
Products and services at a point in time | $ | 2,815,063 |  |  | $ | 69,099 |  |  | $ | 19,583 |  |  | $ | 14,363 |  |  | $ | 2,918,108 |
Products and services transferred over time | — |  |  | 128,710 |  |  | 43,049 |  |  | 442,290 |  |  | 614,049 |
Total revenue by timing of revenue recognition | $ | 2,815,063 |  |  | $ | 197,809 |  |  | $ | 62,632 |  |  | $ | 456,653 |  |  | $ | 3,532,157 |
| Year Ended November 2, 2019
| Networking Platforms |  | Platform Software and Services |  | Blue Planet Automation Software and Services |  | Global Services |  | Total
Product lines: |  |  |  |  |  |  |  |  |
Converged Packet Optical | $ | 2,562,841 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,562,841 |
Packet Networking | 348,477 |  |  | — |  |  | — |  |  | — |  |  | 348,477 |
Platform Software and Services | — |  |  | 155,376 |  |  | — |  |  | — |  |  | 155,376 |
Blue Planet Automation Software and Services | — |  |  | — |  |  | 54,555 |  |  | — |  |  | 54,555 |
Maintenance Support and Training | — |  |  | — |  |  | — |  |  | 261,337 |  |  | 261,337 |
Installation and Deployment | — |  |  | — |  |  | — |  |  | 148,233 |  |  | 148,233 |
Consulting and Network Design | — |  |  | — |  |  | — |  |  | 41,312 |  |  | 41,312 |
Total revenue by product line | $ | 2,911,318 |  |  | $ | 155,376 |  |  | $ | 54,555 |  |  | $ | 450,882 |  |  | $ | 3,572,131 |
Timing of revenue recognition: |  |  |  |  |  |  |  |  |
Products and services at a point in time | $ | 2,911,318 |  |  | $ | 55,530 |  |  | $ | 17,697 |  |  | $ | 18,802 |  |  | $ | 3,003,347 |
Products and services transferred over time | — |  |  | 99,846 |  |  | 36,858 |  |  | 432,080 |  |  | 568,784 |
Total revenue by timing of revenue recognition | $ | 2,911,318 |  |  | $ | 155,376 |  |  | $ | 54,555 |  |  | $ | 450,882 |  |  | $ | 3,572,131 |
Effective the beginning of fiscal 2020, Ciena’s Global Sales and Marketing organization combined its previous North America and CALA regions into a new “Americas” sales region. Accordingly, Ciena reflects its sales geographically around the following markets: (i) Americas; (ii) EMEA; and (iii) APAC. Within each geographic area, Ciena maintains specific teams or personnel that focus on a particular region, country, customer or market vertical. These teams include sales management, account salespersons and sales engineers, as well as services professionals and commercial management personnel. For the periods below, Ciena’s geographic distribution of revenue was as follows (in thousands):
| Year Ended
| October 31, 2020 |  | November 2, 2019
Geographic Distribution: |  |  |
Americas | $ | 2,469,278 |  |  | $ | 2,503,913 |
EMEA | 591,468 |  |  | 566,718 |
APAC | 471,411 |  |  | 501,500 |
Total revenue by geographic distribution | $ | 3,532,157 |  |  | $ | 3,572,131 |
Contract Balances | The following table provides information about receivables, contract assets and contract liabilities (deferred revenue) from contracts with customers (in thousands):
|  | Balance at October 31, 2020 |  | Balance at November 2, 2019
Accounts receivable, net |  | $ | 719,405 |  |  | $ | 724,854 |
Contract assets for unbilled accounts receivable |  | $ | 85,843 |  |  | $ | 84,046 |
Deferred revenue |  | $ | 158,363 |  |  | $ | 156,873 |
As of the dates indicated, deferred revenue is comprised of the following (in thousands):
| October 31, 2020 |  | November 2, 2019
Products | $ | 17,534 |  |  | $ | 27,366 |
Services | 140,829 |  |  | 129,507 |
| 158,363 |  |  | 156,873 |
Less current portion | (108,700) |  |  | (111,381) |
Long-term deferred revenue | $ | 49,663 |  |  | $ | 45,492 |

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