Merge branch 'master' of github.com:SystemsApproach/sdn

Author: llpeterson

access.rst

@@ -424,12 +424,12 @@ to make this later configuration all the more common.
 9.3.2 RAN Intelligent Controller
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-The RRU, shown in :numref:`Figure %s <fig-basestation>` as part of
+The RRC, shown in :numref:`Figure %s <fig-basestation>` as part of
 each basestation and shown in :numref:`Figure %s <fig-split-ran>` as
 part of the CU, represents the control plane of the RAN. The CU-based
 configuration naturally maps onto SDN in that control decisions are
 made centrally, but the goal is to do more than just recreate the
-legacy set of RRU capabilities. We also want to pave the way for
+legacy set of RRC capabilities. We also want to pave the way for
 introducing additional control functions, and to do this, SD-RAN
 adopts a design that parallels the Network OS / Control App structure
 used in other domains (and described throughout this book).

switch.rst

@@ -668,7 +668,7 @@ placing them in the larger ecosystem. Keeping in mind that
 fixed-function switching chips still dominate the market, we do not
 mean to understate their value or the role they will undoubtedly
 continue to play.\ [#]_ But they do remove one degree-of-freedom—the
-ability to reprogram the data plane—which helps to highlight the the
+ability to reprogram the data plane—which helps to highlight the
 relationship between all the moving parts introduced in this chapter.
 
 .. [#] The distinction between fixed-function and programmable

uses.rst

@@ -20,7 +20,7 @@ publicly talk about their plans to deploy SDN-based
 solutions—especially in their access networks—but they are proceeding
 cautiously, with most of their initiatives either using hybrid
 approaches, or in the case of pure play SDN, just starting to go into
-production.  Of particular note, Comcast, which has deployed the open
+production.  Of particular note is Comcast, which has deployed the open
 source components described in this book throughout their production
 network.