EXHIBIT 10.1                                                      EXECUTION COPY

                 FIRST AMENDMENT TO AGREEMENT AND PLAN OF MERGER

     THIS  FIRST  AMENDMENT  TO  AGREEMENT  AND  PLAN  OF  MERGER  (this  "FIRST
                                                                           -----
AMENDMENT"),  dated as of August 26, 2005, is made and entered into by and among
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Concurrent  Computer  Corporation,  a  Delaware  corporation  (the "PURCHASER"),
                                                                    ---------
Stream Acquisition, Inc., a Delaware corporation ("NEWCO"), Everstream Holdings,
                                                   -----
Inc.,  a Delaware corporation (the "COMPANY"), and the parties listed on Exhibit
                                    -------
A  attached  hereto  (each,  individually  a  "SELLER"  and  collectively  the
                                               ------
"SELLERS"),  and  is  made  with reference to that certain Agreement and Plan of
 -------
Merger,  dated  as  of  August  19, 2005, by and among the Purchaser, Newco, the
Company,  and the Sellers (the "MERGER AGREEMENT"). In this First Amendment, the
                                ----------------
Purchaser,  Newco,  the  Company,  and  the  Sellers  are sometimes individually
referred  to  as  a "PARTY" and collectively as the "PARTIES." Capitalized terms
                     -----                           -------
used  herein without definition shall have the same meanings herein as set forth
in  the  Merger  Agreement.

                                    RECITALS

     The  Purchaser, Newco, the Company, and the Sellers desire to amend certain
provisions  contained  in  the  Merger  Agreement.

                                    AGREEMENT

     Pursuant  to  Section 10.10 of the Merger Agreement and in consideration of
the premises and mutual covenants and agreements contained herein, and for other
good  and  valuable consideration, the receipt of which are hereby acknowledged,
and  intending  to  be  legally  bound, the Parties hereto agree that the Merger
Agreement  is  hereby  amended  as  follows:

                                    ARTICLE I
                                   AMENDMENTS

     Section  1.1     Definitions.
                      ------------

          (a)     The  definition of "Common Stock Residual Number" as set forth
     in  Section  1.2  of the Merger Agreement is hereby deleted and replaced in
     its  entirety  with  the  following:

          "COMMON STOCK RESIDUAL NUMBER" means the number of shares of Purchaser
           ----------------------------
     Common  Stock equal to the quotient of (i) the Total Merger Shares less the
     Total  First  Tier  Distribution,  divided  by (ii) the Total Company Stock
     Number,  less  the Total Series C Preferred Number, less the Total Series A
     Preferred Number, less the Total Series B Preferred Number, less the McHale
     Common  Stock  Number.

          (b)     The  definition of "McHale Stock Dispositions" as set forth in
     Section  1.2  of the Merger Agreement is hereby deleted and replaced in its
     entirety  with  the  following:

          "MCHALE  STOCK  DISPOSITIONS" means the transfers by Stephen J. McHale
           ---------------------------
     of Company Series A Preferred Stock to certain employees of the Company and
     Burt



     Manning  as  referenced  in  the Company Disclosure Schedule and the McHale
     Disposition  Side  Letter.

          (c)     Section  1.2  of  the  Merger  Agreement  is hereby amended by
     adding, in the applicable alphabetical order, the following definitions:

          "FIRST  AMENDMENT  TO  MERGER  AGREEMENT"  means  that  certain  First
           ---------------------------------------
     Amendment  to  Agreement  and Plan of Merger dated as of August 26, 2005 by
     and  among  the  Parties.

          "MCHALE  COMMON  STOCK"  means  the  Company  Common  Stock  owned  by
           ---------------------
     Stephen J. McHale.

          "MCHALE  COMMON  STOCK  NUMBER"  means  the number of shares of McHale
           -----------------------------
     Common Stock.

          "MCHALE  DISPOSITION  SIDE LETTER" means that certain letter agreement
           --------------------------------
     attached as Exhibit B to the First Amendment to Merger Agreement.
                 ---------

     Section  1.2     Amendment to Section 3.1(b).  Section 3.1(b) of the Merger
                      ---------------------------
Agreement is hereby deleted and replaced in its entirety with the following:

          (b)     Cancellation  of Treasury Stock; Purchaser-Owned Stock; McHale
                  --------------------------------------------------------------
     Common  Stock.  Any  shares  of  Company  Stock  that are owned directly or
     -------------
     indirectly  by  the Company as treasury stock and any shares that are owned
     by Purchaser, Newco or any other wholly-owned Subsidiary of Purchaser shall
     be cancelled and retired and shall cease to exist and no stock of Purchaser
     or  other consideration shall be delivered in exchange therefor. All shares
     of  Purchaser  Common Stock owned by Company shall remain unaffected by the
     Merger.  All  shares  of McHale Common Stock shall be cancelled and retired
     and  shall  cease to exist and no stock of Purchaser or other consideration
     shall  be  delivered  in  exchange  therefor.

     Section  1.3     Amendment to Section 3.1(c).  Section 3.1(c) of the Merger
                      ---------------------------
Agreement is hereby deleted and replaced in its entirety with the following:

          (c)     Exchange Ratios for Company Stock. Subject to Sections 3.3 and
                  ---------------------------------
     3.4,  and  other  than  shares,  if any, to be cancelled in accordance with
     Section 3.1(b), each issued and outstanding share of Company Stock shall be
     converted  into  the  right  to  receive  the  number  of  validly  issued,
     fully-paid and nonassessable shares of Purchaser Common Stock determined as
     follows:

               (i)     Each  issued  and  outstanding  share of Company Series C
          Preferred  Stock  shall  be  converted  into  the right to receive the
          Series  C  First  Tier  Ratio;

              (ii)     Each  issued  and  outstanding  share of Company Series A
          Preferred  Stock  shall  be  converted  into  the right to receive the
          Series  A  First  Tier  Ratio;

             (iii)     Each  issued  and  outstanding  share of Company Series B
          Preferred  Stock  shall  be  converted  into  the right to receive the
          Series  B  First  Tier  Ratio;  and


                                      -2-

              (iv)     Each issued and outstanding share of Company Common Stock
          shall be converted into the right to receive the Common Stock Residual
          Number.

The  number of shares of Purchaser Common Stock into which each share of Company
Series  C  Preferred  Stock,  Company Series A Preferred Stock, Company Series B
Preferred Stock and Company Common Stock shall be converted, as specified above,
shall  be  referred  to as the "SERIES C EXCHANGE RATIO," the "SERIES A EXCHANGE
                                -----------------------        -----------------
RATIO,"  the  "SERIES  B EXCHANGE RATIO," and the "COMMON STOCK EXCHANGE RATIO,"
- -----          ------------------------            ---------------------------
respectively,  and  collectively,  the  "EXCHANGE  RATIOS."  The Exchange Ratios
                                         ----------------
shall  be  adjusted  for  any stock split, stock dividend or similar transaction
effected between the Agreement Date and the Effective Time.

     Section  1.4     Amendment  to  Article  VI.  Article  VI  of  the  Merger
                      --------------------------
Agreement is hereby amended by adding after Section 6.21 the following:

          Section  6.22     Certificate  of  Amendment. Immediately prior to the
                            --------------------------
     Closing,  the Company shall, in accordance with the DGCL, file an amendment
     to  the Company's certificate of incorporation in the form of a Certificate
     of  Amendment  of  Amended and Restated Certificate of Incorporation of the
     Company,  in  substantially  the  form  attached  as Exhibit C to the First
                                                          ---------
     Amendment  to  Merger  Agreement  (the  "CERTIFICATE  AMENDMENT").
                                              ----------------------

     Section  1.5     Amendment  to  Section  7.2.  Section  7.2  of  the Merger
                      ---------------------------
Agreement is hereby amended by adding after Section 7.2(p) the following:

          (q)     Certificate  Amendment.  The Certificate Amendment to be filed
                  ----------------------
     as  described in Section 6.22 shall be filed with the Delaware Secretary of
     State  and  shall  be  effective.

     Section  1.6     Exhibit  6.10.  Exhibit  6.10  of  the Merger Agreement is
                      -------------   -------------
hereby  deleted  and  replaced  in  its  entirety with the Exhibit 6.10 attached
                                                           ------------
hereto  as  Exhibit  D.
            ----------

     Section  1.7     Exhibit  7.2(e).  Exhibit  7.2(e)  of the Merger Agreement
                      ---------------   ---------------
is  hereby deleted and replaced in its entirety with the Exhibit 7.2(e) attached
                                                         -------------
hereto  as  Exhibit  E.
            ----------

                                   ARTICLE II
                            MISCELLANEOUS PROVISIONS

     Section 2.1     Captions.  The  titles,  captions,  and  table  of contents
                     --------
contained in this First Amendment are inserted in this First Amendment only as a
matter  of  convenience and for reference and do not, in any way, define, limit,
extend,  or  describe  the  scope  of  this First Amendment or the intent of any
provision  of  this  First  Amendment.

     Section  2.2     Controlling Law.  This First Amendment will be governed by
                      ---------------
and  construed and enforced in accordance with the internal laws of the State of
Delaware  without  reference  to  Delaware  choice-of-law  rules.

     Section  2.3     Counterparts;  Execution.  This  First  Amendment  may  be
                      ------------------------
executed  in two or more counterparts, each of which will be deemed an original.
A  facsimile,  telecopy,  electronic  mail,  or other reproduction of this First
Amendment  may  be  executed  by  one  or  more


                                      -3-

Parties, and an executed copy of this First Amendment may be delivered by one or
more  Parties  by  facsimile,  telecopy,  electronic mail, or similar electronic
transmission  device  pursuant  to  which  the signature of or on behalf of such
Party  can  be  seen,  and such execution and delivery will be considered valid,
binding,  and  effective  for  all  purposes.  At  the request of any Party, all
Parties  agree  to  execute  an  original of this First Amendment as well as any
facsimile,  telecopy,  electronic  mail,  or  other  reproduction  of this First
Amendment.

     Section  2.4     Enforcement  of  Certain  Rights.  Nothing  expressed  or
                      --------------------------------
implied  in  this  First  Amendment is intended, or will be construed, to confer
upon  or  give  any  Person  other  than  the  Parties,  and their successors or
permitted assigns, any rights, remedies, obligations, or liabilities under or by
reason  of  this  First  Amendment,  or  result  in  such  Person being deemed a
third-party  beneficiary  of  this  First  Amendment.

     Section  2.5     Full Force and Effect.  Except as set forth expressly this
                      ---------------------
First  Amendment,  the  Merger  Agreement  shall be and remain in full force and
effect,  and  shall  constitute  the legal, valid and binding obligations of the
Parties,  enforceable  against  the  Parties  in accordance with its terms.  The
amendments  in  this  First  Amendment  shall  be  deemed  to  have  prospective
application  only,  unless  otherwise  specifically  stated  herein.

                           [SIGNATURE PAGES TO FOLLOW]





                                      -4-

     The  Parties have caused this First Amendment to be duly executed as of the
Agreement  Date.

                                   CONCURRENT COMPUTER CORPORATION


                                   By:
                                        ---------------------------------
                                   Name:
                                          -------------------------------
                                   Title:
                                           ------------------------------



                                   STREAM ACQUISITION, INC.


                                   By:
                                        ---------------------------------
                                   Name:
                                          -------------------------------
                                   Title:
                                           ------------------------------


                                   EVERSTREAM HOLDINGS, INC.


                                   By:
                                        ---------------------------------
                                   Name:
                                          -------------------------------
                                   Title:
                                           ------------------------------


                                   REPRESENTATIVE:


                                   ----------------------------------

                                   SELLERS:

                                   CANOE EVERSTREAM, LLC:

                                        By:
                                             ---------------------------------
                                        Name:
                                               -------------------------------
                                        Title:
                                                ------------------------------


             [Signature Page to First Amendment to Merger Agreement]



                                   EVERSTREAM, LLC:

                                        By:
                                             ---------------------------------


                                        By:
                                             ---------------------------------
                                        Name:
                                               -------------------------------
                                        Title:
                                                ------------------------------



                                   ----------------------------------
                                   JIM HICKEY



                                   ----------------------------------
                                   SCOTT KEGLOVIC

                                   LAUDER PARTNERS  LLC:

                                        By:
                                             ---------------------------------


                                        By:
                                             ---------------------------------
                                        Name:
                                               -------------------------------
                                        Title:
                                                ------------------------------


                                   ----------------------------------
                                   JOHN F. MCHALE



                                   ----------------------------------
                                   STEPHEN J. MCHALE



                                   ----------------------------------
                                   KATHY WOLFE




                                   ----------------------------------
                                   ROBERT WOLFE


             [Signature Page to First Amendment to Merger Agreement]



                                    Exhibit A
                                    ---------

                                     Sellers



Canoe Everstream, LLC
Everstream, LLC
Jim Hickey
Scott Keglovic
Lauder Partners LLC
John F. McHale
Stephen J. McHale
Kathy Wolfe
Robert Wolfe



                                    Exhibit B
                                    ---------

                         McHale Disposition Side Letter



                                 (See Attached)



                                    Exhibit C
                                    ---------

                              Certificate Amendment



                                 (See Attached)



                                    Exhibit D
                                    ---------

                                  Exhibit 6.10



                                 (See Attached)



                                    Exhibit E
                                    ---------

                                 Exhibit 7.2(e)



                                 (See Attached)