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Revenue
 6 Months Ended
Jun. 30, 2021
Revenue From Contract With Customer [Abstract]  
Revenue

3. REVENUE

The following is a description of the principal activities from which revenue is generated by reportable segment:

Network Solutions Segment - Includes hardware products and software-defined next-generation virtualized solutions used in service provider or business networks, as well as prior generation products.

Services & Support Segment - Includes maintenance, network implementation, solutions integration and managed services, which include hosted cloud services and subscription services.    

Revenue by Category

 

In addition to our reportable segments, revenue is also reported for the following three categories – Access & Aggregation, Subscriber Solutions & Experience and Traditional & Other Products.  

 

 

The following tables disaggregate revenue by reportable segment and revenue category:

 

 

 

Three Months Ended

 

 

 

June 30, 2021

 

 

June 30, 2020

 

(In thousands)

 

Network Solutions

 

 

Services & Support

 

 

Total

 

 

Network Solutions

 

 

Services & Support

 

 

Total

 

Access & Aggregation

 

$

78,307

 

 

$

12,657

 

 

$

90,964

 

 

$

69,721

 

 

$

13,055

 

 

$

82,776

 

Subscriber Solutions & Experience

 

 

45,097

 

 

 

2,713

 

 

 

47,810

 

 

 

38,081

 

 

 

2,312

 

 

 

40,393

 

Traditional & Other Products

 

 

2,045

 

 

 

2,413

 

 

 

4,458

 

 

 

3,521

 

 

 

2,025

 

 

 

5,546

 

Total

 

$

125,449

 

 

$

17,783

 

 

$

143,232

 

 

$

111,323

 

 

$

17,392

 

 

$

128,715

 

 

 

 

Six Months Ended

 

 

 

June 30, 2021

 

 

June 30, 2020

 

(In thousands)

 

Network Solutions

 

 

Services & Support

 

 

Total

 

 

Network Solutions

 

 

Services & Support

 

 

Total

 

Access & Aggregation

 

$

138,360

 

 

$

21,678

 

 

$

160,038

 

 

$

122,776

 

 

$

25,966

 

 

$

148,742

 

Subscriber Solutions & Experience

 

 

97,366

 

 

 

5,013

 

 

 

102,379

 

 

 

78,064

 

 

 

4,508

 

 

 

82,572

 

Traditional & Other Products

 

 

3,532

 

 

 

4,816

 

 

 

8,348

 

 

 

7,855

 

 

 

4,069

 

 

 

11,924

 

Total

 

$

239,258

 

 

$

31,507

 

 

$

270,765

 

 

$

208,695

 

 

$

34,543

 

 

$

243,238

 

 

Revenue allocated to remaining performance obligations represents contract revenues that have not yet been recognized for contracts with a duration of greater than one year. As of June 30, 2021, we did not have any significant performance obligations related to customer contracts that had an original expected duration of one year or more, other than maintenance services, which are satisfied over time. As a practical expedient, for certain contracts we recognize revenue equal to the amounts that we are entitled to invoice, which correspond to the value of completed performance obligations to date. The amount related to these performance obligations was $19.7 million and $17.7 million as of June 30, 2021 and December 31, 2020, respectively. The Company expects to recognize 64% of the $19.7 million as of June 30, 2021 over the next 12 months, with the remainder to be recognized thereafter.

The following table provides information about receivables, contract assets and unearned revenue from contracts with customers:

 

 

 

As of

 

 

As of

 

(In thousands)

 

June 30, 2021

 

 

December 31, 2020

 

Accounts receivable, net

 

$

122,669

 

 

$

98,827

 

Contract assets(1)

 

$

1,036

 

 

$

63

 

Unearned revenue

 

$

15,889

 

 

$

14,092

 

Non-current unearned revenue

 

$

7,030

 

 

$

6,888

 

 

 

(1)

Included in other receivables on the Condensed Consolidated Balance Sheets.

 

Of the outstanding unearned revenue balances as of December 31, 2020 $2.9 million and $7.9 million were recognized as revenue during the three and six months ended June 30, 2021, respectively.