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REVENUE
 9 Months Ended
Aug. 02, 2025
Revenue from Contract with Customer [Abstract]  
REVENUE REVENUE
Segment and Product Line Disaggregation of Revenue

Ciena’s disaggregated segment and product line revenue as presented below depicts the nature, amount, and timing of revenue and cash flows for similar groupings of Ciena’s various offerings. The sales cycle, contractual obligations, customer requirements, and go-to-market strategies may differ for each of its product categories, resulting in different economic risk profiles for each category. Ciena has the following operating segments for reporting purposes: (i) Networking Platforms; (ii) Platform Software and Services; (iii) Blue Planet Automation Software and Services; and (iv) Global Services. See Note 17 below.

The tables below set forth Ciena’s disaggregated revenue for the periods indicated (in thousands):
Quarter Ended August 2, 2025
Networking PlatformsPlatform Software and ServicesBlue Planet Automation Software and ServicesGlobal ServicesTotal
Product lines:
Optical Networking$815,497 $— $— $— $815,497 
Routing and Switching125,857 — — — 125,857 
Platform Software and Services
— 89,961 — — 89,961 
Blue Planet Automation Software and Services
— — 27,805 — 27,805 
Maintenance Support and Training
— — — 80,743 80,743 
Installation and Deployment
— — — 65,878 65,878 
Consulting and Network Design
— — — 13,644 13,644 
Total revenue by product line
$941,354 $89,961 $27,805 $160,265 $1,219,385 
Timing of revenue recognition:
Products and services at a point in time
$941,354 $24,281 $11,909 $9,806 $987,350 
Services transferred over time— 65,680 15,896 150,459 232,035 
Total revenue by timing of revenue recognition
$941,354 $89,961 $27,805 $160,265 $1,219,385 
Quarter Ended July 27, 2024
Networking PlatformsPlatform Software and ServicesBlue Planet Automation Software and ServicesGlobal ServicesTotal
Product lines:
Optical Networking$606,845 $— $— $— $606,845 
Routing and Switching92,692 — — — 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 

Nine Months Ended August 2, 2025
Networking PlatformsPlatform Software and ServicesBlue Planet Automation Software and ServicesGlobal ServicesTotal
Product lines:
Optical Networking$2,317,062 $— $— $— $2,317,062 
Routing and Switching311,749 — — — 311,749 
Platform Software and Services
— 270,469 — — 270,469 
Blue Planet Automation Software and Services
— — 81,787 — 81,787 
Maintenance Support and Training
— — — 234,758 234,758 
Installation and Deployment
— — — 171,735 171,735 
Consulting and Network Design
— — — 29,963 29,963 
Total revenue by product line
$2,628,811 $270,469 $81,787 $436,456 $3,417,523 
Timing of revenue recognition:
Products and services at a point in time
$2,628,811 $75,260 $32,846 $23,783 $2,760,700 
Services transferred over time— 195,209 48,941 412,673 656,823 
Total revenue by timing of revenue recognition
$2,628,811 $270,469 $81,787 $436,456 $3,417,523 
Nine Months Ended July 27, 2024
Networking PlatformsPlatform Software and ServicesBlue Planet Automation Software and ServicesGlobal ServicesTotal
Product lines:
Optical Networking$1,862,917 $— $— $— $1,862,917 
Routing and Switching320,113 — — — 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 


•Networking Platforms revenue reflects sales of Ciena’s Optical Networking and Routing and Switching product lines.
•Optical Networking - includes the 6500 Packet-Optical Platform, the Waveserver® system, the 6500 Reconfigurable Line System (RLS), coherent pluggable transceivers, and other optical networking products.
•Routing and Switching - includes the 3000 and 5000 series of service delivery and aggregation platforms, the 8100 Coherent IP networking platforms, virtualization software, and passive optical network and other routing and switching portfolio products.

Revenue from this segment is included in product revenue on the Condensed Consolidated Statements of Operations.

•Platform Software and Services revenue reflects sales of Ciena’s Platform Software and Platform Services.
•Platform Software - includes Ciena’s Navigator Network Control SuiteTM domain controller solution and its applications, and legacy software solutions.
•Platform Services - includes sales of subscription, support, and consulting services related to Ciena’s software platforms, operating system software and enhanced software features embedded in each of the Networking Platforms product lines above.

Revenue from the software portion of this segment is included in product revenue on the Condensed Consolidated Statements of Operations. Revenue from services portions of this segment is included in services revenue on the Condensed Consolidated Statements of Operations.

•Blue Planet Automation Software and Services revenue reflects sales of Blue Planet Automation Software and Blue Planet Services.
•Blue Planet Automation Software - includes inventory management, orchestration, route optimization and analysis, and unified assurance and analytics software.
•Blue Planet Services - includes sales of subscription, installation, support, consulting and design services related to the Blue Planet Automation Platform.
Revenue from the software portion of this segment is included in product revenue on the Condensed Consolidated Statements of Operations. Revenue from the services portions of this segment is included in services revenue on the Condensed Consolidated Statements of Operations.

•Global Services revenue reflects sales of a broad range of Ciena’s services for maintenance support and training, installation and deployment, and consulting and network design activities.
Revenue from this segment is included in services revenue on the Condensed Consolidated Statements of Operations.

Revenue Recognition
•Revenue from the Networking Platforms segment includes, in addition to the products described above, sales of operating system software and enhanced software features embedded therein, which are each considered distinct performance obligations for which the revenue is generally recognized upfront at a point in time upon transfer of control.
•Revenue from software platforms typically reflects either perpetual or term-based software licenses, and these sales are considered distinct performance obligations where revenue is generally recognized upfront at a point in time upon transfer of control.
•Revenue from software subscription and support is recognized ratably over the period during which the services are performed.
•Revenue from professional services for solution customization, software and solution support services, consulting and design, and build-operate-transfer services relating to Ciena’s software offerings is recognized over time with Ciena applying the input method to determine the amount of revenue to be recognized in a given period. Global Services are considered a distinct performance obligation where revenue is generally recognized over time.
•Revenue from maintenance support is recognized ratably over the period during which the services are performed.
•Revenue from installation and deployment services and consulting and network design services is generally recognized over time with Ciena applying the input method to determine the amount of revenue to be recognized in a given period.
•Revenue from training services is generally recognized at a point in time upon completion of the service.

For additional information on Ciena’s revenue recognition policy, see Notes to Consolidated Financial Statements in Item 8 of Part II of the 2024 Annual Report.

Geographic Disaggregation of Revenue

Ciena reports its sales geographically using the following markets: (i) the United States, Canada, the Caribbean and Latin America (“Americas”); (ii) Europe, Middle East and Africa (“EMEA”); and (iii) Asia Pacific, Japan and India (“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. The following table reflects Ciena’s geographic distribution of revenue based principally on the relevant location for Ciena’s delivery of products and performance of services.

For the periods indicated, Ciena’s geographic distribution of revenue was as follows (in thousands):
Quarter EndedNine Months Ended
August 2,July 27,August 2,July 27,
2025202420252024
Geographic distribution:
Americas
$923,627 $718,605 $2,553,081 $2,099,680 
EMEA
186,018 135,009 535,519 498,212 
APAC
109,740 88,694 328,923 292,951 
Total revenue by geographic distribution
$1,219,385 $942,308 $3,417,523 $2,890,843 
Ciena’s revenue includes $882.8 million and $676.0 million of U.S. revenue for the third quarter of fiscal 2025 and 2024, respectively. For the nine months ended August 2, 2025 and July 27, 2024, U.S. revenue was $2.4 billion and $2.0 billion, respectively. No other country accounted for 10% or more of total revenue for the periods indicated in the above table.

Ciena’s revenue from a cloud provider includes $218.0 million and $538.2 million for the third quarter and nine months ended August 2, 2025, respectively, and $137.2 million and $331.6 million for the third quarter and nine months ended July 27, 2024, respectively. Revenue also includes $133.0 million and $361.4 million from AT&T for the third quarter and nine months ended August 2, 2025, respectively, and $113.1 million and $324.8 million for the third quarter and nine months ended July 27, 2024, respectively. These customers purchased products from the Networking Platforms, Platform Software and Services, and Global Services operating segments for the periods presented. No other customer accounted for 10% or more of total revenue for the periods presented.

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 August 2, 2025Balance at November 2, 2024
Accounts receivable, net $1,025,563 $908,597 
Contract assets for unbilled accounts receivable, net$164,326 $127,919 
Deferred revenue$277,266 $237,619 

Ciena’s contract assets represent unbilled accounts receivable, net where transfer of a product or service has occurred but invoicing is conditional upon completion of future performance obligations. These amounts are primarily related to installation and deployment and professional services arrangements where transfer of control has occurred, but Ciena has not yet invoiced the customer. Contract assets are included in prepaid expenses and other in the Condensed Consolidated Balance Sheets.

Contract liabilities consist of deferred revenue and represent advanced payments against non-cancelable customer orders received prior to revenue recognition. Ciena recognized approximately $134.6 million and $130.5 million of revenue during the first nine months of fiscal 2025 and 2024, respectively, that was included in the deferred revenue balance as of November 2, 2024 and October 28, 2023, respectively. Revenue recognized due to changes in transaction price from performance obligations satisfied or partially satisfied in previous periods was immaterial during the nine months ended August 2, 2025 and July 27, 2024.

As of the dates indicated, deferred revenue is comprised of the following (in thousands):
August 2,
2025		November 2,
2024
Products$33,476 $19,017 
Services243,790 218,602 
 Total deferred revenue277,266 237,619 
Less current portion(196,209)(156,379)
Long-term deferred revenue$81,057 $81,240 

Capitalized Contract Acquisition Costs

Capitalized contract acquisition costs consist of deferred sales commissions and were $33.4 million and $28.4 million as of August 2, 2025 and November 2, 2024, respectively. Capitalized contract acquisition costs were included in (i) prepaid expenses and other, and (ii) other long-term assets. The amortization expense associated with these costs was $26.0 million and $22.9 million during the first nine months of fiscal 2025 and 2024, respectively, and was included in selling and marketing expense on the Condensed Consolidated Statements of Operations.
Remaining Performance Obligations

Remaining Performance Obligations (“RPO”) are comprised of non-cancelable customer purchase orders for products and services that are awaiting transfer of control for revenue recognition under the applicable contract terms. As of August 2, 2025, the aggregate amount of RPO was $2.0 billion. As of August 2, 2025, Ciena expects approximately 82% of the RPO balance to be recognized as revenue within the next 12 months.