5 protection switching schemes
TRANSCRIPT
![Page 1: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/1.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
Protection SwitchingSchemes
![Page 2: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/2.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
Classifications
LINEAR1+11:11:N 1+1 MSP RINGSNCPMSSP(2F)MSSP (4F)
![Page 3: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/3.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
Protection Schemes
1+1 Protection
BA
![Page 4: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/4.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
1:1 Protection
BA
Protection Schemes
![Page 5: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/5.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
Unidirectional Operation
![Page 6: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/6.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
Bidirectional Operation
![Page 7: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/7.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
1+1 MSP – Multiplex Section Protection
![Page 8: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/8.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
1+1 MSP
The MSP groups can be configured as uni-directional or bi-directional
Normal Operation
BA
![Page 9: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/9.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
1+1 MSP
Switching in case of uni-directional configuration
A B
![Page 10: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/10.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
1+1 MSP
Switching in case of bi-directional configuration
A B
![Page 11: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/11.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
SNCP – Sub Network Connection Protection
![Page 12: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/12.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
SNCP
Normal Operation
A B
C D
A B
C D
![Page 13: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/13.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
SNCP
Switching in case of single fiber cut
A B
C D
![Page 14: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/14.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
A B
C D
SNCP
Switching in case of dual fiber cut
![Page 15: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/15.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
MS-SP – Multiplex Section Shared Protection
MS-SPRING defined for Ring network
No dedicated source required for protection
Improved switching time
![Page 16: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/16.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
MS-SP
Normal Operation - Ring with protection
A B
C DWork Channel
Wo
rk C
ha
nn
el
Wo
rk C
ha
nn
el
Work Channel
Pro
tec
ti on
Ch
an
ne
lPro
tec
tio
n C
ha
nn
el
Protection Channel
Protection Channel
STM#1
STM#1
STM#1
![Page 17: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/17.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
MS-SP
Switching in case of fiber cut
A BWork Channel
Protection Channel
C D
Wo
rk C
ha
nn
el
Wo
rk C
ha
nn
el
Pr o
t ec
ti on
Ch
an
ne
lPro
tec
tio
n C
ha
nn
el
Protection Channel
Work Channel
STM#9STM#9
STM#9
STM#1
STM#1
STM#9
STM#1
![Page 18: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/18.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
A
working trafficprotecting traffic
B C
D E F
MS-SP-2F
![Page 19: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/19.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
A B C
D E F
working trafficprotecting traffic
MS-SP-4F
![Page 20: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/20.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
A B C
D E F
working trafficprotecting traffic
MS-SP-4F
![Page 21: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/21.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
A B C
D E F
working trafficprotecting traffic
MS-SP-4F Span switching Switching
![Page 22: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/22.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
A B C
D E F
working trafficprotecting traffic
MS-SP-4F Span switching Switching
![Page 23: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/23.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
A B C
D E F
working trafficprotecting traffic
MS-SP-4F
![Page 24: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/24.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
A B C
D E F
working trafficprotecting traffic
MS-SP-4F Ring Switching
![Page 25: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/25.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
External Commands
Forced switch to protection
Forced switch to work
Manual switch to protect
Manual switch to work
Lockout of protection
Clear
![Page 26: 5 Protection Switching Schemes](https://reader036.vdocuments.us/reader036/viewer/2022081720/547f9df3b4af9f59418b457b/html5/thumbnails/26.jpg)
© Tejas Networks India Ltd., 2007, Proprietary Information
Thank You…