Cisco DNCS System Release 2.7 3.7 4.2 デザインガイド

Contents

, Continued

4000358 Rev B

vii

DBDS Network Security ............................................................................................ 3-11

Introduction ............................................................................................................. 3-11

Data Path 1: Communication Between End-User Devices and

DOCSIS Servers ................................................................................................... 3-11

# 40 ........................................................................................................................ 3-11

# 50 ........................................................................................................................ 3-11

# 60 ........................................................................................................................ 3-12

Data Path 2: Communications Between End-User Devices .............................. 3-12

# 70 ........................................................................................................................ 3-12

# 80 ........................................................................................................................ 3-12

# 90 ........................................................................................................................ 3-13

# 100 ...................................................................................................................... 3-13

# 110 ...................................................................................................................... 3-13

# 120 ...................................................................................................................... 3-13

# 130 ...................................................................................................................... 3-14

Data Path 3: Communication Between DBDS Private Network

and End-User Devices ........................................................................................ 3-15

# 140 ...................................................................................................................... 3-15

# 150 ...................................................................................................................... 3-15

# 160 ...................................................................................................................... 3-15

# 170 ...................................................................................................................... 3-16

# 180 ...................................................................................................................... 3-16

# 190 ...................................................................................................................... 3-16

# 200 ...................................................................................................................... 3-17

# 210 ...................................................................................................................... 3-17

# 220 ...................................................................................................................... 3-17

# 230 ...................................................................................................................... 3-17

# 240 ...................................................................................................................... 3-18

# 250 ...................................................................................................................... 3-18

# 260 ...................................................................................................................... 3-18

# 270 ...................................................................................................................... 3-18

# 280 ...................................................................................................................... 3-18