UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                             Washington, DC  20549

                                 SCHEDULE 13G


                  Under the Securities Exchange Act of 1934
                            (Amendment No. ______)*




                                (Name of Issuer)
                                JUNIPER NETWORKS

                         (Title of Class of Securities)
                                  Common Stock

                                 (CUSIP Number)
                                   481905503

        (Date of Event Which Requires Filing of this Statement) 12-31-01


Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:


                               [X] Rule 13d-1(b)
                               [ ] Rule 13d-1(c)
                               [ ] Rule 13d-1(d)



*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).

Potential persons who are to respond to the collection of information contained
in this form are not required to respond unless the form displays a currently
valid OMB control number.


SEC 1745 (3-98)                                                Page 1 of 6 pages






 CUSIP No. 481905503                           13G                                     Page 2 of 6 Pages
     

-----------------------------------------------------------------------------------------------------------
|   1 | Names of Reporting Persons/I.R.S. Identification Nos. of Above Persons (Entities Only)            |
|     |                                                                                                   |
|     |                                                                                                   |
|     | OAK Associates, Ltd.                                                                              |
|-----|---------------------------------------------------------------------------------------------------|
|   2 | Check the Appropriate Box if a Member of a Group                                        (a) [ X ] |
|     | (See Instructions)                                                                          ----- |
|     |                                                                                         (b) [   ] |
|     |                                                                                             ----- |
|-----|---------------------------------------------------------------------------------------------------|
|   3 | SEC Use Only                                                                                      |
|     |                                                                                                   |
|-----|---------------------------------------------------------------------------------------------------|
|   4 | Citizenship or Place of Organization                                                              |
|     |                                                                                                   |
|     | United States of America                                                                          |
|-------------------------------|-------|-----------------------------------------------------------------|
|            Number of          |     5 |  Sole Voting Power                                              |
|                               |       |                                                                 |
|             Shares            |       |  17,638,000                                                     |
|                               |-------|-----------------------------------------------------------------|
|          Beneficially         |     6 |  Shared Voting Power                                            |
|                               |       |                                                                 |
|            Owned by           |       |       0                                                         |
|                               |-------|-----------------------------------------------------------------|
|              Each             |     7 |  Sole Dispositive Power                                         |
|                               |       |                                                                 |
|            Reporting          |       |       0                                                         |
|                               |-------|-----------------------------------------------------------------|
|           Person With         |     8 |  Shared Dispositive Power                                       |
|                               |       |                                                                 |
|                               |       |  17,638,000                                                     |
|-------------------------------|-------|-----------------------------------------------------------------|
|   9 | Aggregate Amount Beneficially Owned by Each Reporting Person                                      |
|     |                                                                                                   |
|     |                                    17,638,000                                                     |
|-----|---------------------------------------------------------------------------------------------------|
|  10 | Check if the Aggregate Amount in Row (9) Excludes Certain Shares                                  |
|     | (See Instructions)                                                                                |
|     |                                                                                                   |
|-----|---------------------------------------------------------------------------------------------------|
|  11 | Percent of Class Represented by Amount in Row (9)                                                 |
|     |                                                                                                   |
|     |                                5.46%                                                              |
|-----|---------------------------------------------------------------------------------------------------|
|  12 | Type of Reporting Person (See Instructions)                                                       |
|     |                                                                                                   |
|     |       1A                                                                                          |
-----------------------------------------------------------------------------------------------------------



 CUSIP No. 481905503              13G                       Page 3 of 6 Pages


ITEM 1 (a).  Name of Issuer:

              Juniper Networks
             ---------------------------------------------------------------


ITEM 1 (b).  Address of Issuer's Principal Executive Offices:
              1194 N. Mathilda Ave.
              Sunnydale, CA 94089
             ---------------------------------------------------------------

ITEM 2 (a).  Name of Person Filing:

              Oak Associates, Ltd.
             ---------------------------------------------------------------


ITEM 2 (b).  Address of Principal Business Office or, if None, Residence:
              3875 Embassy Pkwy
              Akron, OH 44333
             ---------------------------------------------------------------

ITEM 2 (c).  Citizenship:
              United States of America
             ---------------------------------------------------------------

ITEM 2 (d).  Title of Class of Securities:
              Common Stock
             ---------------------------------------------------------------

ITEM 2 (e).  CUSIP Number:
              481905503
             ---------------------------------------------------------------


 CUSIP No. 481905503                 13G                      Page 4 of 6 Pages


ITEM 3.      If this statement is filed pursuant to rule 240.13d-1(b), or
             240.13d-2(b) or (c), check whether the person filing is a:


             (a) [ ] Broker or dealer registered under Section 15 of the
                     Act (15 U.S.C. 78o).

             (b) [ ] Bank as defined in Section 3(a)(6) of the Act
                     (15 U.S.C. 78c).

             (c) [ ] Insurance company as defined in Section 3(a)(19) of
                     the Act (15 U.S.C. 78c).

             (d) [ ] Investment company registered under Section 8 of the
                     Investment Company Act of 1940 (15 U.S.C. 80a-8).

             (e) [X] An investment adviser in accordance with
                     240.13d-1(b)(1)(ii)(E).

             (f) [ ] An employee benefit plan or endowment fund in accordance
                     with Rule 240.13d-1(b)(1)(ii)(F).

             (g) [ ] A parent holding company or control person in accordance
                     with 240.13d-1(b)(1)(ii)(G);

             (h) [ ] A savings association as defined in Section 3(b) of the
                     Federal Deposit Insurance Act (12 U.S.C. 1813).

             (i) [ ] A church plan that is excluded from the definition of an
                     investment company under Section 3(c)(14) of the
                     Investment Company Act of 1940 (15 U.S.C. 80a-3).

             (j) [ ] Group, in accordance with section 240.13d-1(b)(1)(ii)(J)


 CUSIP No. 481905503                 13G                      Page 5 of 6 Pages


ITEM 4. OWNERSHIP.


        (a)     Amount beneficially owned: 17,638,000

        (b)     Percent of class: 5.46%

        (c)     Number of shares as to which the person has:

ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five
percent of the class of securities, check the following [ ].

ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON


 CUSIP No. 481905503                 13G                      Page 6 of 6 Pages


ITEM 7.   IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
          SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY

ITEM 8.   IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

ITEM 9.   NOTICE OF DISSOLUTION OF GROUP

ITEM 10.  CERTIFICATIONS

By signing below I certify that, to the best of my knowledge and belief, the
securities referred to above were not acquired and are not held for the purpose
of or with the effect of changing or influencing the control of the issuer of
the securities and were not acquired and are not held in connection with or as a
participant in any transaction having that purpose or effect.




DATED: February 5, 2002          By: /s/ James P. Delschlager
                                    ------------------------------------------
                                    Name: James P. Delschlager
                                    Title: President